Subaru Automobile Parts SP170 210 User Manual

SP170/210  
INSTRUCTIONS FOR USE  
MANUEL D’UTILISATION  
MANUAL DE INSTRUCCIONES  
20A9991401  
OHC Gasoline Engines  
 
Limited Engine Warranty  
(Effective with engines purchased from Robin America, Inc., Lake Zurich, IL, after April 1, 2008)  
Robin America, Inc., a division of Fuji Heavy Industries, Ltd. (herein “Subaru”), warrants that each new engine  
sold by it will be free, under normal use and service, from defects in material and workmanship for a period listed  
below from the date of sale to the original retail purchaser. Subaru’s obligation under this Limited warranty shall  
be limited to the repair and replacement, at Subaru’s option, of any part or parts which upon examination is/are  
found, in Subaru’s judgment, to have been defective in material or workmanship. It shall be a condition of Subaru’s  
obligation under this Limited Warranty that Subaru, directly or through one of its Distributors or Service Centers  
authorized to service the particular engine involved, receive prompt notice of any warranty claim and that the  
engine or the part or parts claimed to be defective be promptly delivered, transportation prepaid, to such distributor  
or service Center for inspection and repair. All repairs qualifying under this Limited Warranty must be performed  
by Subaru or one of its authorized Distributors or Service Centers.  
WARRANTY PERIODS:  
SP170, Gasoline Engines  
SP210, Gasoline Engines  
Limited 3 year Warranty  
Limited 1 year Warranty  
To Qualify for this Warranty:  
Subaru Industrial Engines must be purchased from a Subaru engine dealer or distributor authorized to sell that  
product in North America.  
The repair or replacement of any part or parts under this Limited Warranty shall not extend the term of the engine  
warranty beyond the original term as set forth above.  
LIMITATIONS AND EXCLUSIONS: This Limited Warranty shall not apply to:  
1. Bent or broken crankshaft or resultant damage caused by vibration related to a bent or broken crankshaft.  
Also, damage caused by loose engine mounting bolts or improper or imbalanced accessories or blades  
mounted to the crankshaft.  
2. Repairs required because of prolonged storage including damage caused by old or contaminated fuel  
in the fuel tank, fuel lines or carburetor, sticky valves or corrosion and rust of engine parts.  
3. Repair required due to overheating. (Most often caused by overloaded or clogged or damaged or missing  
flywheel, fan, inlet air passages, cooling fins or air shrouds.)  
4. Dirt or grit related wear caused by improper air cleaner maintenance (most often resulting in worn piston,  
piston rings, cylinders, valves, valve guides, carburetor or other internal components).  
5. Broken or scored parts caused by low oil level, dirty or improper grade of oil.  
6. Engine tune-ups and normal maintenance service including, but not limited to, valve adjustment, normal  
replacement of service items, fuel and lubricating oil, etc.  
 
7. Any engine which has been subject to negligence, misuse, accident,  
mis-application or over-speeding.  
8. Any engine that has been installed, repaired, or altered by anyone in a manner which in Subaru’s sole  
judgment adversely affects its performance or reliability.  
9. Any engine which has been fitted with or repaired with parts or components not manufactured or approved  
by Subaru which in Subaru’s sole judgment adversely affects its performance or reliability.  
10. Instances when normal use has exhausted the life of a component or an engine.  
The customer is responsible for all transportation charges in connection with any warranty work.  
Subaru reserves the right to modify, alter or improve any engines or parts without incurring any obligation to modify  
or replace, any engine or parts previously sold without such modification, alternation or improvement.  
No person is authorized to give any other warranty or to assume any additional obligation on Subaru’s behalf  
unless made in written and signed by an officer of Subaru.  
THIS WARRANTY, AND SUBARU’S OBLIGATION HERE UNDER, ARE IN LIEU OF ANY OTHER WARRAN-  
TIES OR OBLIGATIONS OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTIES OF  
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THERE ARE NO WARRANTIES WHICH  
EXTEND BEYOND THE DESCRIPTION ON THE FACE HERE-OF. SUBARU SHALL IN NO EVENT BE LIABLE  
FOR ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES.  
 
WORLD WIDE SUPPORT  
Subaru Engines are supported through a network of dozens of wholesale distributors and thousands of service  
dealers worldwide. Please use the following contacts to find support nearest you.  
Global Distributor Locator: www.subaru-robin.jp/index_e.html  
North America:  
Subaru Robin America, Inc.  
905 Telser Road  
Lake Zurich, IL 60047 U.S.A.  
Tel.: 847-540-7300 • Fax: 847-438-5012  
Asia:  
Fuji Heavy Industries LTD. (Parent Company of Subaru)  
4-410, Asahi, Kitamoto-shi  
Saitama 364-8511, Japan  
Tel.: 81-48-593-7941 • 81-48-593-7965  
Europe:  
Subaru Robin Europe GmbH  
Willicher Damm 135-137  
D-41066 Mönchengladbach  
Tel.: +49 - (0)2161 - 63620 - 0 • Fax: +49 - (0)2161 - 63620-50  
Australia:  
Crommelins Machinery  
139 Welshpool Rd  
Welshpool 6106  
Tel.: (08) 9350 5588 • Fax: (08) 9451 6381  
 
(California Proposition 65)  
! WARNING  
The engine exhaust from this product contains  
chemicals known to the State of California to  
cause cancer, birth defects or other reproductive  
harm.  
(California only)  
AIR INDEX  
To show compliance with California emission regulations, a hangtag has been provided  
displaying the Air Index level and durability period of this engine.  
The Air Index level defines how clean an engine’s exhaust is over a period of time. A bar  
graph scaled for “0” (most clean) to “10” (least clean) is used to show an engine’s Air Index  
level. A lower Air Index level represents cleaner exhaust from an engine.  
The period of time (in hours) that the Air Index level is measured is known as the durabil-  
ity period. Depending on the size of the engine, a selection of time periods can be used to  
measure the Air Index level (see below).  
Descriptive Term  
Moderate  
Applicable to Emissions Durability Period  
50 hours (engine from 0 to 80cc)  
125 hours (engine greater than 80cc)  
Intermediate  
Extended  
125 hours (engine from 0 to 80cc)  
250 hours (engine greater than 80cc)  
300 hours (engine from 0 to 80cc)  
500 hours (engine greater than 80cc)  
1000 hours (225cc and greater)  
Notice: This hangtag must remain on this engine or piece of equipment, and only be  
removed by the ultimate purchaser before operation.  
Notice : FEDERAL EMISSION COMPONENT DEFECT WARRANTY and CALIFORNIA EMISSION  
CONTROL WARRANTY are applicable to only those engine / generators complied with EPA  
(Environmental Protection Agency) and CARB (California Air Resources Board) emission  
regulations in the U.S.A.  
Notice : To the engines / generators exported to and used in the countries other than the U.S.A., warranty  
service shall be performed by the distributor in each country in accordance with the standard  
Subaru engine / generator warranty policy as applicable.  
 
FORWARD  
Thank you for choosing a Subaru. Your Subaru engine can supply the power to operate various sorts of ma-  
chines and equipment.  
Keep this owner’s manual at hand, so you can refer to it when needed.  
Due to constant efforts to improve our products, certain procedures and specifications are subject to change  
without notice.  
When ordering spare parts, always give us the MODEL, PRODUCTION NUMBER and SERIAL NUMBER of  
your engine.  
Please fill in the blanks below after checking the product number on your engine.  
(Location of label is different depending on the engines specification.)  
PRODUCT REGISTRATION  
Please take a moment to register your product to ensure easy warranty qualification and product updates.  
Please register online at: www.SubaruPower.com/register  
You will need the following two pieces of information to complete your product registration.  
SPECIFICATION No  
SERIAL No  
PROD. No. / SER No.  
(Label)  
SER No.  
Stamping  
(
)
NOTICE  
The engines which have emission label are allowed to be exported to USA. The emission  
label placed on the engine indicates that the engine is complied with EPA (Environmental  
Protection Agency) and CARB (California Air Resources Board) emission regulations in USA.  
Exporting any engine to USA which does not have the emission label is a violation of EPA/  
CARB emission law subject to civil penalty.  
 
CONTENTS  
1. Symbols......................................................................................................................................... 8  
2. Safety Precautions......................................................................................................................... 9  
3. Components ................................................................................................................................ 12  
4. Pre-Operation Checks ................................................................................................................. 13  
5. Operating the Engine................................................................................................................... 14  
6. Maintenance ................................................................................................................................ 16  
7. Preparations for Storage.............................................................................................................. 20  
8. Easy Troubleshooting .................................................................................................................. 21  
9. Specifications............................................................................................................................... 22  
10. Emission Warranty Statement ..................................................................................................... 23  
 
1. SAFETY PRECAUTIONS  
Please make sure you review each precaution carefully.  
Pay special attention to statement preceded by the following words.  
! WARNING  
“WARNING” indicates a strong possibility of severe personal injury or loss of life if  
instructions are not followed.  
! CAUTION  
“CAUTION” indicates a possibility of personal injury or equipment damage if instructions  
are not followed.  
! WARNING  
EXHAUST PRECAUTIONS  
• Never inhale exhaust gasses.  
They contain carbon monoxide, a colorless, odorless and extremely dangerous gas which can  
cause unconsciousness or death.  
• Never operate the engine indoors or in a poorly ventilated area, such as a tunnel, cave, etc.  
• Exercise extreme care when operating the engine near people or animals.  
• Keep the exhaust pipe free of foreign objects.  
! WARNING  
REFUELING PRECAUTIONS  
• Gasoline is extremely flammable and its vapors can explode if ignited.  
• Do not refuel indoors or in a poorly ventilated area.  
• Be sure to stop the engine prior to refueling.  
• Do not remove fuel tank cap nor fill fuel tank while engine is hot or running.  
Allow engine to cool at least 2 minutes before refueling.  
• Do not overfill the fuel tank.  
• If fuel is spilled, wipe it away carefully and wait until the fuel has dried before starting the engine.  
• After refueling, make sure that the fuel cap is secured to prevent spillage.  
! WARNING FIRE PREVENTION  
• Do not operate the engine while smoking or near an open flame.  
• Do not use around dry brush, twigs, cloth rags, or other flammable materials.  
• Keep cooling air intake (recoil starter area) and muffler side of the engine at least 1  
meter (3 feet) away from buildings, obstructions and other burnable objects.  
• Keep the engine away from flammables and other hazardous material (trash, rags,  
lubricants, explosives).  
1 m  
1 m  
! WARNING  
OTHER SAFETY PRECAUTIONS  
Place the protective covers over the rotating parts.  
If rotating parts such as the drive shaft, pulley, belt, etc. are left exposed, they are potentially  
hazardous. To prevent injury, equip them with protective covers or shrouds.  
Be careful of hot parts.  
The muffler and other engine parts become very hot while the engine is running or just after  
it has stopped. Operate the engine in a safe area and keep children away from the running  
engine.  
 
! WARNING  
OTHER SAFETY PRECAUTIONS  
• Do not touch the spark plug and ignition cable when starting and operating the engine.  
• Never make adjustments on the machinery while it is connected to the engine, without first  
removing the ignition cable from the spark plug. Turning the crankshaft by hand during  
adjusting or cleaning might start the engine, and cause serious injury to the operator.  
• Operate the engine on a stable, level surface.  
If the engine is tilted, fuel spillage may result.  
NOTE:  
Operating the engine at a steep incline may cause seizure due to improper lubrication  
even with a maximum oil level.  
• Do not transport the engine with fuel in tank or with fuel strainer cock open.  
• Do not move the engine while in operation when it has been removed from the equipment.  
• Keep the unit dry (do not operate it in rainy conditions).  
! WARNING  
PRE-OPERATION CHECKS  
• Carefully check fuel hoes and joints for looseness and fuel leakage. Leaked fuel creates a  
potentially dangerous situation.  
• Check bolts and nuts for looseness. A loose bolt or nut may cause serious engine trouble.  
• Check the engine oil and refill if necessary.  
• Keep cylinder fins and recoil starter free of dirt, grass and other debris.  
• Wear sung fitting working clothes when operating the engine.  
Loose aprons, towel, belt, etc., may be caught in the engine or drive train, causing a  
dangerous situation.  
 
SYMBOLS  
Shutt oꢁ fuel valve  
when the engine is not in use.  
Read manual.  
Check for leakage  
from hose and ꢀttings.  
Stay clear of the hot surface.  
Exhaust gas is poisonous.  
Do not operate in an unventilated  
room or enclosed area.  
Fire, open ame and smoking  
prohibited.  
HOT, avoid touching the hot area.  
Stop the engine before refueling.  
Engine start  
(Electric start)  
On (Run)  
Fuel (gasoline)  
Fuel shut-oꢀ  
Oꢀ (Stop)  
Engine stop  
Fast  
Fuel system  
failure / malfunction  
Engine oil  
Add oil  
Slow  
Choke  
Plus ;  
positive polarity  
Minus ;  
negative polarity  
Battery  
2. COMPONENTS  
1
2
3
4
5
6
7
8
9
Spark Plug  
11 Fuel Valve  
12 Fuel Cup  
13 Carburetor  
14 P.T.O. Shaft  
Exhaust Outlet  
Muffler Cover  
Air Cleaner  
Fuel Tank  
15 Oil Gauge (Oil Filler)  
16 Oil Drain Plug  
Fuel Tank Cap  
Speed Control Lever 17 Engine Serial No  
Recoil Starter  
Starter Handle  
18 Engine Name Label  
19 Stop Switch  
10 Choke Lever  
20 Oil Sensor Unit  
 
3. PRE-OPERATION CHECKS  
NOTE  
Engine shipped from our factory is without oil.  
Before starting engine, fill with oil. Do not overfill.  
1. CHECK ENGINE OIL  
Before checking or refilling engine oil, be sure the engine is located on a stable, level surface and stopped.  
• Do not screw the oil gauge into the oil filler neck to check oil level. If the oil level is low, refill  
to the upper level with the following recommended oil.  
• 1 - Oil Gauge  
• 2 - Upper Level  
• 3 - Lower Level  
• Use 4-stroke automotive detergent oil of API service class SE or higher grade.  
• Select the viscosity based on the air temperature at the time of operation as shown in the  
table.  
Oil Capacity (Upper Level)  
SP170/210  
0.6 L  
2. CHECK FUEL  
! WARNING  
Do not refuel while smoking, near an open flame or other such potential fire hazards. Otherwise fire accident may occur.  
NOTE  
THIS ENGINE IS CERTIFIED TO OPERATE ON  
AUTOMOTIVE UNLEADED GASOLINE.  
Fuel Tank Capacity  
SP170/210  
3.4L  
• Stop the engine and open the cap.  
• Close the fuel valve before filling the fuel tank.  
• Do not fill above the fuel filter screen (as marked 2 ), or the fuel may overflow when it heats up  
later and expands.  
• When filling the fuel tank, always use the fuel filter screen.  
• After refueling, tighten the fuel cap (rotate clockwise) until it makes a physical stop, there will be  
a relief in resistance just before the physical stop.  
• Wipe off any spilled fuel before starting the engine.  
 
4. OPERATING YOUR ENGINE  
1. STARTING  
1) Open the fuel valve  
2) Turn the STOP SWITCH to the “ON” (I) position  
3) Set the speed control lever 1/3 of the way towards the high speed position.  
4) Close the choke lever.  
If the engine is cold or the ambient temperature is low, close the choke lever fully.  
If the engine is warm or the ambient temperature is high, open the choke lever half-way, or keep it fully open.  
5) Pull the starter handle slowly until resistance is felt. This is the “compression” point.  
Return the handle to its original position and pull swiftly. Do not pull out the rope all the way. After starting the engine, al  
low the starter handle to return to its original position while still holding the handle.  
6) After starting the engine, gradually open choke by turning the choke lever and finally keep it fully opened. Do not fully  
open the choke lever immediately when the engine is cold of the ambient temperature is low, because the engine may  
stop.  
2. RUNNING  
1) After the engine starts, set the speed control lever at the low speed position (L) and warm it up without a load for a few  
minutes.  
2) Gradually move the speed control lever toward the high speed position (H) and set it at the required engine speed.  
Whenever high speed operation is not required, slow the engine down (idle) by moving the speed control lever to save  
fuel and extend engine life.  
 
3. STOPPING  
1) Set the speed control lever at the low speed position and allow the engine to run at low speed for 1 or 2 minutes before  
stopping.  
2) Turn the STOP SWITCH counterclockwise to the “OFF” (O) position.  
3) Close the fuel valve  
4) Pull the starter handle slowly and return the handle to it original position when resistance is felt. This operation is  
necessary to prevent outside moist air from intruding into the combustion chamber.  
* STOPPING THE ENGINE WITH THE FUEL VALVE  
Close the fuel valve and wait for awhile until the engine stops. Avoid to let the fuel remain in the carburetor over long periods,  
or the passages of the carburetor may become clogged with impurities, and malfunction may result.  
5. MAINTENANCE  
MAINTENANCE, REPLACEMENT, OR REPAIR OF THE EMISSION CONTROL DEVICES AND SYSTEMS MAY BE PER-  
FORMED BY ANY NON ROAD ENGINE REPAIR ESTABLISHMENT OR INDIVIDUAL.  
1. DAILY INSPECTION  
Before running the engine, check the following service items.  
Loose or broken bolts and nuts  
Clean air cleaner element  
Enough clean engine oil  
Leakage of gasoline and engine oil  
Enough gasoline  
Safe surroundings  
Excessive vibration, noise  
2. PERIODIC INSPECTION  
Periodic maintenance is vital to the safe and efficient operation of your engine.  
Check the table for periodic maintenance intervals.  
IT IS ALSO NECESSARY FOR THE USER OF THIS ENGINE TO CONDUCT THE MAINTENANCE AND ADJUSTMENTS ON  
THE EMISSION-RELATED PARTS LISTED BELOW TO KEEP THE EMISSION CONTROL SYSTEM EFFECTIVE.  
 
Periodic Maintenance Schedule Table  
Every 50  
hours  
(Weekly)  
Every 200  
hours  
(Monthly)  
Every 8 hours  
(Daily)  
Every 500  
hours  
Every 1000  
hours  
Maintenance Items  
Clean engine and check bolts and nuts  
Check and refill engine oil  
• (Daily)  
• (Refill daily up to upper level)  
Change engine oil (*Note 1)  
Clean spark plug  
• (Initial 20 hours) • (Every 100 hours)  
• (Every 100 hours)  
Clean air cleaner  
Clean spark arrester (Optional part)  
Replace air cleaner element  
Clean fuel cup  
• (Every 100 hours)  
Clean and adjust spark plug and electrodes  
Replace spark plug  
Remove carbon from cylinder head (*Note 2)  
Check and adjust valve clearance (*Note 2)  
Clean and adjust carburetor (*Note 2)  
Replace fuel lines  
• (Yearly)  
Overhaul engine if necessary (*Note 2)  
*Note 1: Initial oil change should be performed after first twenty (20) hours of operation. There after change oil every hundred  
(100) hours. Before changing oil, check for a suitable way to dispose of old oil. Do not pour it down into sewage  
drains, onto garden soil or into open streams. Your local zoning or environmental regulations will give you more  
detailed instructions.  
*Note 2: As to the procedures for these items, please refer to the SERVICE MANUAL or consult your nearest service dealer.  
The emission control system consists of the following parts:  
Carburetor and internal parts  
Cold start enrichment system, if applicable  
Intake manifold, if applicable  
Air cleaner elements  
Spark Plug  
Magneto or electronic ignition system  
Spark advance / retard system, if applicable  
Exhaust manifold, if applicable  
Hoses, belts, connectors, and assembles  
The maintenance schedule indicated in the table above table is bases on the normal engine operation.  
Should the engine be operated in extremely dusty conditions or in heavier loading condition, the maintenance intervals must be  
shortened depending on the contamination of oil, clogging of filter elements, wear of parts, and so on.  
 
3. INSPECTING THE SPARK PLUG  
1. Clean off carbon deposits on the spark plug electrode using a plug cleaner  
or wire brush.  
2. Check electrode gap. The gap should be 0.6mm to 0.7mm (0.02 in - 0.03 in).  
Adjust the gap, if necessary, by carefully bending the side electrode.  
Recommended Spark Plug  
E6RC (TORCH) or BR-6HS (NGK)  
4. ENGINE OIL CHANGE  
Initial oil change  
Thereafter  
:
:
After 20 hours of operation  
Every 100 hours of operation  
1. When changing oil, stop the engine and loosen the drain plug. Drain the used oil while the  
engine is warm. Warm oil drains quickly and completely.  
! CAUTION  
To prevent injury, pay attention to the hot oil  
2. Re-install the drain plug before refilling oil.  
Oil Capacity (Upper Level)  
SP170/210  
0.6 L  
3. Refer to page 12 for the recommended oil.  
Always use the best grade and clean oil. Contaminated oil, poor quality oil and shortage  
of oil cause damage to engine or shorten the engine life.  
5. CLEANING FUEL CUP  
! WARNING Flame Prohibited  
1. Inspect fuel cup for water and dirt.  
2. To remove water and dirt, close the fuel valve and remove the fuel cup.  
3. After removing dirt and water, re-install securely to prevent leakage.  
 
6. CLEANING AIR CLEANER  
A dirty air cleaner element will cause starting difficulty, power loss, engine malfunctions, and shorten engine life extremely.  
Always keep the air cleaner element clean.  
! WARNING Flame Prohibited  
1. Urethane Foam Element Type  
Remove the element and wash it in a solution of mild detergent and warm water.  
Then rinse the element thoroughly in clean water. Allow the element to dry thoroughly.  
Apply a tablespoon (6cc) of motor oil to the clean and dry foam element and squeeze  
the element several times to distribute the oil evenly throughout the foam. Then squeeze  
the foam element in a paper towel to absorb any excess oil. Clean the air cleaner housing  
and replace the foam element, air cleaner cover and thumb screw.  
2. Dual Element Type  
Wash and clean the foam with a solution of mild detergent and warm water.  
After cleaning, let dry. Oil the foam as described above.  
Clean paper element by tapping gently to remove dirt and blow off dust. Clean the  
paper element at least every 50 hours of operation, and replace element set at  
least every 200 hours.  
NOTE:  
2
Clean and replace air cleaner elements more often when operating in dusty environments.  
Replace the element if dirt or dust can not be removed and/or the element is  
deformed or deteriorated.  
7. FUEL HOSE REPLACEMENT  
! WARNING  
Take extreme caution when replacing fuel hose :  
gasoline is extremely flammable.  
Replace the fuel hose every 2 years. If fuel leaks from fuel hose, replace the fuel hose  
immediately.  
 
8. CHECKING BOLTS, NUTS AND SCREWS  
Retighten loose bolts and nuts  
Check for fuel and oil leaks  
Replace damaged parts with new ones.  
9. HIGH ALTITUDE ENGINE OPERATION  
Please have an authorized Subaru Robin service dealer modify this engine if it is to be run continuously above 5000 feet  
(1500 meters). Failure to do so, may result in poor engine performance, spark plug fouling, hard starting, and increased  
emissions.  
Carburetor modification by an authorized Subaru Robin service dealer will improve performance and allow that this  
engine meets EPA (Environmental Protection Agency) and CARB (California Air Resources Board) emission standards  
throughout its useful life.  
An engine converted for high altitudes can not be run at 5000 feet or lower. In doing so, the engine will overheat and  
cause serious engine damage.  
Please have an authorized Subaru Robin service dealer restore high altitude modified engines to the original factory  
specification before operating below 5000 feet.  
6. PREPARATIONS FOR STORAGE  
1. DISCHARGE FUEL  
! WARNING Flame Prohibited  
If you do not use the engine more than 3 months, discharge fuel to prevent gum in the fuel  
system and carburetor parts.  
Remove the fuel cup, place it over a container and open the fuel valve to discharge fuel  
from the fuel tank.  
Remove he drain screw of the carburetor float chamber and discharge fuel.  
2. ENGINE OIL  
Change the engine oil with fresh oil.  
Remove the spark plug, pour about 5cc of engine oil into the cylinder, slowly pull the starter handle of the recoil starter 2  
or 3 times, and reinstall the spark plug.  
3. CLEAN AND STORE  
Slowly pull the recoil starter handle until resistance is felt and leave it in that position.  
Clean the engine thoroughly with an oiled cloth, put the cover on, and store the engine indoors in a well ventilated, low  
humidity area.  
 
7. OIL SENSOR INSTRUCTIONS  
1. FUNCTION OF OIL SENSOR  
The engine will stop automatically when the oil level falls below the safety limit. The engine  
cannot be started unless the level is raised above the prescribed limit.  
2. RESTARTING  
1. Fill the crankcase with oil up to the proper level.  
2. As for restarting and operating the engine, refer to section “4. OPERATING YOUR ENGINE”.  
Check the wire connector from the engine. It must be connected securely to the wire from oil sensor.  
When selecting the engine oil, refer to page 12 for the recommended oil.  
8. SPARK ARRESTER  
In a dry or wooded area, it is recommendable to use the engine with a spark arrester. Some areas require the use of a spark  
arrester. Please check you local laws and regulations before operating your engine.  
The spark arrester must be cleaned regularly to keep it functioning as designed. A clogged spark arrester:  
Prevents the flow of exhaust gas  
Reduces engine output  
Increases fuel consumption  
Makes starting difficult  
If the engine has been running, the muffler and the spark arrester will be very hot. Allow the muffler to cool before cleaning the  
spark arrester.  
How to remove the spark arrester  
MUFFLER COVER  
1. Remove the flange bolts from the muffler cover and remove the muffler cover.  
2. Remove the special screw from the spark arrester and remove the spark arrester  
DEFLECTOR  
from the muffler.  
SPARK ARRESTER  
SCREEN  
Clean the spark arrester screen  
Use a brush to remove carbon deposits from the spark arrester screen. Be careful to  
MUFFLER  
SCREW  
avoid damaging the screen. The spark arrester must be free of breaks and holes.  
Replace the spark arrester if it is damaged.  
SPARK ARESSTER SCREEN  
Install the spark arrester, and muffler protector in the reverse order of disassembly.  
 
9. EASY TROUBLESHOOTING  
WHEN ENGINE WILL NOT START:  
Perform the following checks before you take the engine to your Subaru Robin dealer. If you still have trouble after completing  
the checks, take the engine to your nearest Subaru Robin dealer.  
1. Is there a strong spark across the electrode?  
1. Is the stop switch at the “ON” (I) position?  
2. Remove and inspect the spark plug.  
If the electrode is fouled, clean or replace it with new one.  
3. Remove the spark plug and connect it to the plug cap. Pull the starter handle while grounding spark plug against engine  
body. Try with a new spark plug if the spark is weak or there is no spark.  
Then ignition system is faulty if there is no spark with a new spark plug.  
! WARNING  
Wipe up spilled fuel carefully before testing.  
Place spark plug as far away from spark plug hole as possible  
Do not hold spark plug by hand while pulling recoil starter.  
NOTE  
The engine with oil sensor will stop automatically when the oil level falls below the prescribed limit.  
Unless the oil level is raised above the prescribed limit, the engine will stop immediately after starting.  
2. Is there enough compression?  
Pull the starter handle slowly and check if resistance is felt. If little force is required to pull the starter handle,  
check if the spark plug is tightened firmly. If the spark plug is loose, tighten it.  
3. Is the spark plug wet with gasoline?  
1. Is the fuel cock opened?  
2. Choke (close choke lever)and pull the starter handle five or six times. Remove the plug and check if its  
electrode is wet. If the electrode is wet, fuel is well supplied to your engine.  
3. When the electrode is dry, check where the fuel stops.  
(Check the fuel intake of the carburetor)  
4. In case the engine does not start with well supplied fuel, try using fresh fuel.  
 
10. WIRING DIAGRAM  
Spark plug  
Black  
To LED  
Lamp  
Ignition coil  
Oil sensor  
control unit  
Oil sensor  
Flywheel  
11. SPECIFICATIONS  
Model  
Type  
SP170  
SP210  
Air-cooled, 4-cycle, single cylinder, overhead camshaft, gasoline  
engine  
Displacement  
169  
211  
Maximum Torque  
Rated Output  
ft•lb/rpm  
HP/rpm  
8.34/2500  
5.7/4000  
10.26/2500  
7.0/4000  
Direction of Rotation  
Lubricant  
Counterclockwise as viewed from P.T.O. shaft side  
Automotive detergent oil (API/SE or higher grade, SAE 10W-30)  
Oil Capacity  
0.6  
Automotive Gasoline (Unleaded)  
3.4  
Fuel  
Fuel Tank Capacity  
Spark Plug  
TORCH E6RC (NGK BR-6HS)  
Recoil Starter  
Starting System  
Dry Weight  
33 lbs.  
35 lbs.  
Dimensions  
in.  
12.2 x 14 x 13  
12.5 x 14.5 x 13  
+0.03  
+0.0012  
Valve Clearance(Intake and Exhaust)  
0.12  
mm (0.0047  
in.)  
0
0
Note: Adjust the valve clearance while the engine is cold  
125 hours  
Emission Durability Period (California Only)  
 
 
 
ISSUE EMD-EU6858  
FUJI HEAVY INDUSTRIES, LTD.  
INDUSTRIAL PRODUCTS COMPANY  
4-410 ASAHI, KITAMOTO-SHI, SAITAMA, 364-8511, JAPAN  
TEL:+81-48-593-7798, FAX:+81-48-593-7946  
h t t p : / / w w w . s u b a r u - r o b i n . j p  
PRINTED IN CHINA  
April 2010  
 

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