Страница 1: ...RCHASE DATE Both model number and serial number may be found on the main label You should record both of them in a safe place for future use FOR YOUR SAFETY Save This Manual for Future Reference READ...
Страница 2: ...ght price YARDMAX delivers the perfect combination of performance and practicality YARDMAX has asolution that s right for you MAX Performance MAX Value MAX Support that s YARDMAX J Backed by decades o...
Страница 3: ...dealer Carefully read through this entire operator s manual before using your new engine Pay attention to all cautions and warnings ENVIRONMENTAL Recycle unwanted materials instead of disposing of 0 0...
Страница 4: ...operating speed of the engine in application environmental conditions maintenance and other variables SAFETY IMPORTANTSAFETY INFORMATION Most accidents with engines can be prevented if you follow all...
Страница 5: ...the engine CARBON MONOXIDE HAZARD Exhaust gas contains poisonous carbon monoxide Avoid Gasoline Engine Operator s Manual inhalation of exhaust gas Never run the engine in a closed garage or confined...
Страница 6: ...gine run faster or slower ENGINE SWITCH The engine switch enables and disables the ignition system The engine switch must be in the ON position for the engine to run Turning the engine switch to the O...
Страница 7: ...ystem applicable engine types will automatically stop the engine before the oil level falls below safe limits However to avoid the inconvenience of an unexpected shutdown always check the engine oil l...
Страница 8: ...e types Pull the starter grip lightly until you feel resistance then pull briskly Return the starter grip gently 7 I Operation 6 If the choke lever has been moved to the CLOSE position to start the en...
Страница 9: ...sually wet or dusty conditions consult your servicing dealer for recommendations applicable to your individual needs and use MAINTENANCE SAFETY PRECAUTIONS Some of the most important safety precaution...
Страница 10: ...ine Check Cylinder head piston Clean up carbon e Emission related items T l These items should be replaced if replacement needed 1 Service more frequently when used in dusty areas First month Every3 E...
Страница 11: ...knock or pinging metallic rapping noise while operating under heavy loads This is nocause forconcern Gasoline Engine Operator s Manual If spark knock or pinging occurs at a steady engine speed under...
Страница 12: ...ments If equipped with an oil bath air cleaner also check the oil level AIR CLEANER SERVICE A dirty air filter will restrict air flow to the carburetor reducing engine performance If you operate the e...
Страница 13: ...fter the spark plug seats tighten with a spark plug wrench to compress the water A loose spark plug can overheat and damage the ensine Overtighteningthesparkplugcan damagethethreads in thecylinderhead...
Страница 14: ...he spark arrester screen Be careful to avoid damaging the screen The spark arrester must be free of breaks and holes Replace the spark arrester if it is damaged 5 Install the spark arrester muffler pr...
Страница 15: ...EXTEND FUELSTORAGE LIFE When adding a fuel stabilizer fill the fuel tank with fresh gasoline If only partially filled air in the tank will promote fuel deterioration during storage If you keep a conta...
Страница 16: ...ge 15 I Storage Transproting With the engine and exhaust system cool cover the engine to keep out dust A hot engine and exhaust system can ignite or melt some materials Do not use sheet plastic as a d...
Страница 17: ...ad conditions E 0 iii 0 1 Too much carbon deposit and dirt around z c 1 Clear away Q J ra electrodes E s a 2 Replace spark plug Q V l s Q 2 Electrodes are birni damaged seriously or c 3 Adjust to prop...
Страница 18: ...leakage from the surface by which 2 Replace the cylinder gasket cylinder block contacting with cylinder 3 Readjust head 3 Too big or too small valve clearance 4 Repair 4 Valve tightness is poor Gasoli...
Страница 19: ...ated on engine body The other 1 Cylinder is seriously scored and valve 1 Repair or replace damaged parts dropped out Gasoline Engine Is Overheat TROUBLE CAUSE REMEDY 1 Oil insufficient or wrong oil ra...
Страница 20: ...uch carbon deposit in combusting 1 Clear away carbon deposit chamber Metal beating sound 2 Too small electrode clearance of spark plug 2 Adjust electrode clearance properly 3 Check relative parts such...
Страница 21: ...n standard throughout its useful life Even with carburetor modification engine horsepower will decrease about 3 5 for each 1 000 foot 300 meter increase in altitude The effect of altitude on horsepowe...
Страница 22: ...ystems eAitering or defeating the governor linkage or speed adjusting mechanism to cause the engine to operate outside its design parameters PROBLEMS THAT MAYAFFECT EMISSIONS If you are aware of any o...
Страница 23: ...r SF for general use Engine Oil Capacity R210 S 0 5 L Type F6TC F6RTC F7TC F7RTC Spark Plug Gap 0 028 0 031 in 0 70 mm 0 80 mm Each use Check engine oil Check air filter Maintenance First 20 hours Cha...
Страница 24: ...WIRING DIAGRAMS 81 BLACK y yELLOW w WHITE IGNITION COIL ENGINE SWITCH SPARK PLUG Bl y y OIL SENSOR On PROTECTOR 23 I WirifwDirwums...
Страница 25: ...you should however be aware that YARDMAX may deny you warranty coverage if your small off road engine equipment or a part has failed due to abuse neglect or improper maintenance or unapproved modifica...
Страница 26: ...ormance of any warranty maintenance or repairs and must be provided without charge to the owner Such use will not reduce the warranty obligations of YARDMAX 10 Add on or modified parts that are not ex...
Страница 27: ...nkages 13 Purge Valves 14 Gaskets 15 LiquidNapor Separator 16 Carbon Canister 17 Canister Mounting Brackets 18 Carburetor Purge Port Connector Note As they relate to the evaporative emission control s...
Страница 28: ...847 327 0566 or 844 YARDMAX info yardmax com yardmax com Tame the Great Outdoors...
