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• Do not overfill the fuel tank. Always allow room for fuel

expansion. If the tank is overfilled, the fuel can flow onto a

hot 

engine and cause a 

FIRE

or an 

EXPLOSION

.

• Allow at least two (2) feet of clearance on all sides of the

engine, even while operating it outdoors, or you could
damage the engine.

• Thoroughly inspect the engine for loose or damaged

parts before each use. Do not use the engine until
adjustments or repairs are made.

• Check the oil level in the engine before each use. 
• Inspect the engine periodically. Repair or replace all

damaged or defective parts immediately.

• Inspect fuel system frequently for leaks or damage.

Repair or replace any damaged or leaking component
immediately. Never attempt to change, alter or modify
the engine fuel system in any way that might affect
safety or compliance with applicable codes and
standards.

WHILE OPERATING

• This engine was designed and manufactured for specific

applications. Do not attempt to modify the equipment or
use it for any application for which it was not designed.

• Generac Power Systems does not approve or authorize

the use of these engines on All Terrain Vehicles (ATV’s),
go-carts, motorbikes, aircraft products, personal
watercraft, or vehicles intended for use in competitive
events. Use of these engines in such applications could
result in property damage, serious injury (including
paralysis), or even death.

• Engine exhaust gases contain 

DEADLY

carbon

monoxide gas. This dangerous gas, if breathed in
sufficient concentrations, can cause unconsciousness or
even death. Operate this equipment only in the open air
where adequate ventilation is available.

• Do not insert any object through the cooling slots of the

engine. You could damage the equipment or injure
yourself.

• Do not operate the engine faster than the speed

necessary to operate the equipment. Do not run the
engine at high speed when not operating the equipment.

• This engine requires an adequate flow of cooling air for its

continued proper operation. Never operate the equipment
inside any room or enclosure where the free flow of cooling
air into and out of the equipment might be obstructed.
Without sufficient cooling air flow, the engine quickly
overheats, damaging the engine or nearby property.

• Do not smoke around the engine. Wipe up any fuel or oil

spills immediately. Never leave oily or fuel soaked rags
around the engine. Keep the area around the engine clean
and free of debris.

• Keep hands, feet, clothing, etc., away from moving parts of

this engine. 

• Never operate the engine (a) in the rain; (b) in any enclosed

compartment; (c) if the engine speed changes; (d) if the
engine sparks; (e) if flame or smoke is observed while the
engine is running.

• Never work on this engine or handle any electrical device

while standing in water, while barefoot, or while hands or feet
are wet. 

DANGEROUS ELECTRIC SHOCK

will

result.

5

GTV/GTH - 990/760 OHVI SERIES ENGINES

Summary of Contents for GTH-760 Series

Page 1: ...Owner s Manual SAFETY ASSEMBLY OPERATION TROUBLESHOOTING PARTS WARRANTY GTV GTH 990 760 AUTHORIZED DEALER SUPPORT SERIES ENGINES 1 800 333 1322...

Page 2: ...lations To ensure that your engine continues to meet these regulations refer to the following information and instructions in this owner s manual 2 TABLE OF CONTENTS GENERAL INFORMATION Service Inform...

Page 3: ...upervised by personnel knowledgeable of batteries and the required precautions Keep unauthorized personal away from batteries Use only 12 volt negative ground batteries with a minimum rating of 675 co...

Page 4: ...hock hazard RULES FOR SAFE OPERATION Study these RULES FOR SAFE OPERATION carefully before operating or servicing this equipment Become familiar with the OWNER S MANUAL and with the engine The engine...

Page 5: ...ury including paralysis or even death Engine exhaust gases contain DEADLY carbon monoxide gas This dangerous gas if breathed in sufficient concentrations can cause unconsciousness or even death Operat...

Page 6: ...synthetic 5W 20 or 5W 30 Check your engine oil level frequently to avoid possible damage from running low on oil Place engine on a level surface Clean area around oil fill and remove oil fill cap and...

Page 7: ...needs 10 seconds to reset NOTE If you restart engine after a shutdown and have not corrected the low oil pressure the engine will run for about 10 seconds as described above and then it will stop OPE...

Page 8: ...of a new filter with engine oil Turn the new filter clockwise until the gasket contacts the filter adapter then tighten an additional 3 4 turn 4 Remove the oil fill cap and insert a clean funnel into...

Page 9: ...Re install air cleaner cover OPTION 2 1 Remove air cleaner cover 2 Empty dust out of cover 3 Gently pull filter out of air cleaner housing 4 Clean inside of housing with damp cloth 5 Push new air clea...

Page 10: ...or of your engine is pre set at the factory The carburetor should not be tampered with because this will VOID THE EMISSION CONTROL SYSTEM WARRANTY If you experience problems and your engine is used at...

Page 11: ...e gasohol drain the fuel tank then run the engine until it stops from lack of fuel WARNING Drain the fuel into approved container outdoors away from open flame Be sure the engine is cool NOTE Using a...

Page 12: ...line 1 Fill fuel tank during operation 2 Low oil level 2 Fill crankcase to proper level 3 Fault in engine 3 Contact Authorized Service Facility Engine lacks power 1 Dirty air filter 1 Replace air filt...

Page 13: ...13 GTV GTH 990 760 OHVI SERIES ENGINES...

Page 14: ...14 GTV GTH 990 760 OHVI SERIES ENGINES...

Page 15: ...approved modifications or the use of counterfeit and or grey market parts not made supplied or approved by Generac You are responsible for presenting your engine to a Generac Authorized Warranty Servi...

Page 16: ...CS Warranty shall be warranted for the remainder of the ECS Warranty Period prior to the first scheduled replacement point for such emissions related part 4 Repair or replacement of any warranted emis...

Page 17: ...installation As with all mechanical devices the GT Series engines need periodic part s service and replacement to perform well This warranty will not cover repair when normal use has exhausted the li...

Page 18: ...hours _____ Maintenance performed ______________________ Date __ __ __ Engine hours _____ Maintenance performed ______________________ Date __ __ __ Engine hours _____ Maintenance performed __________...

Page 19: ...hours _____ Maintenance performed ______________________ Date __ __ __ Engine hours _____ Maintenance performed ______________________ Date __ __ __ Engine hours _____ Maintenance performed __________...

Page 20: ...GENERAC POWER SYSTEMS INC P O Box 297 Whitewater WI 53190 Part No 0D8699 REV C PRINTED IN THE USA 3 04...

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