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ITEM 57531 

        

S

AFETY

S

ETU

p

INST

ALLA

TION

M

AINTENANCE

Troubleshooting

problem

possible Causes

probable Solutions

Engine will not start

FUEL RELATED:
1.  No fuel in tank or fuel valve closed. 

 

 

 

2.  Choke not in START position, cold engine.
3.  Gasoline with more than 10% ethanol used. 

(E15, E20, E85, etc.) 

 

 

 

4.  Low quality or deteriorated, old gasoline. 

 

 

5.  Carburetor not primed.
6.  Dirty fuel passageways. 

 

7.  Carburetor needle stuck.  

Fuel can be smelled in the air.

8.  Too much fuel in chamber. This can be 

caused by the carburetor needle sticking. 

 

 

9.  Clogged Fuel Filter.

FUEL RELATED:
1.  Fill fuel tank with fresh 91+ octane 

stabilizer-treated unleaded gasoline and 

open fuel valve.

 

Do not use gasoline with more than 
10% ethanol (E15, E20, E85, etc.).

2.  Move Choke to START position.
3.  Clean out ethanol rich gasoline from fuel 

system.  Replace components damaged by 

ethanol.  Use fresh 91+ octane stabilizer-

treated unleaded gasoline only. 

  

Do not use gasoline with more than 
10% ethanol (E15, E20, E85, etc.).

4.  Use fresh 91+ octane stabilizer-treated 

unleaded gasoline.

 

Do not use gasoline with more than 
10% ethanol (E15, E20, E85, etc.).

5.  Pull on Starter Handle to prime.
6.  Clean out passageways using 

fuel additive.  Heavy deposits 

may require further cleaning.

7. 

Gently

 tap side of carburetor float 

chamber with screwdriver handle.

8.  Turn Choke to RUN position.  

Remove spark plug and pull the start 

handle several times to air out the 

chamber.  Reinstall spark plug and 

set Choke to START position.

9.  Replace Fuel Filter.

IGNITION (SPARK) RELATED:
1.  Spark plug cap not connected securely.
2.  Spark plug electrode wet or dirty.
3.  Incorrect spark plug gap.
4.  Spark plug cap broken.
5.  Incorrect spark timing or 

faulty ignition system.

IGNITION (SPARK) RELATED:
1.  Connect spark plug cap properly.
2.  Clean spark plug.
3.  Correct spark plug gap.
4.  Replace spark plug cap.
5.  Have qualified technician diagnose/

repair ignition system.

COMPRESSION RELATED:
1.  Cylinder not lubricated.   

Problem after long storage periods. 

2.  Loose or broken spark plug.   

(Hissing noise will occur  

when trying to start.) 

3.  Loose cylinder head or damaged 

head gasket.  (Hissing noise will 

occur when trying to start.)

4.  Engine valves or tappets 

mis-adjusted or stuck.

COMPRESSION RELATED:
1.  Pour tablespoon of oil into 

spark plug hole.  Crank engine a 

few times and try to start again.

2.  Tighten spark plug.   

If that does not work, replace spark plug.   

If problem persists, may have 

head gasket problem, see #3.

3.  Tighten head.   

If that does not remedy problem, 

replace head gasket.

4.  Have qualified technician adjust/

repair valves and tappets.

Follow all safety precautions whenever diagnosing or servicing the equipment or engine.

Summary of Contents for 57531

Page 1: ...l near the assembly diagram or month and year of purchase if product has no number Keep this manual and the receipt in a safe and dry place for future reference 21j When unpacking make sure that the p...

Page 2: ...0 63 Quart Bore x Stroke 70mm x 55mm Compression Ratio 8 5 1 Torque Specification for Cylinder Head Bolts 26 30 Nm 19 22 ft lb Rotation viewed from PTO power takeoff the output shaft Counterclockwise...

Page 3: ...rning Risk of Respiratory Injury Operate engine OUTSIDE and far away from windows doors and vents WARNING marking concerning Risk of Fire while handling fuel Do not smoke while handling fuel WARNING m...

Page 4: ...ece of equipment may become hazardous when used on another piece of equipment 14 Do not operate in explosive atmospheres such as in the presence of flammable liquids gases or dust Gasoline powered eng...

Page 5: ...by a qualified repair person using only identical replacement parts This will ensure that the safety of the equipment is maintained Do not attempt any service or maintenance procedures not explained i...

Page 6: ...r the Engine to cool and unplug the spark plug wire s before assembling or making any adjustments to the equipment The preparation of this Engine for competitive events and sanctioned racing requires...

Page 7: ...TENANCE Components and Controls Engine Switch Output Shaft Exhaust port LSVWLFN 2LO Fill plug Choke Lever Fuel Line Connector Spark plug Cap Starter Handle Oil Drain plug Carburetor Inlet Fuel pump In...

Page 8: ...ng pages refer to Parts List and Diagrams on page 16 Install Engine 1 Using a motor mount plate specifically designed for the go kart frame to be used both not included install the motor mount onto th...

Page 9: ...fuel pump a Inlet fuel line from fuel tank tank not included b Outlet fuel line to Carburetor c Low pressure pulse tube that is attached to the Pulse Connector not included When installing ensure that...

Page 10: ...th not included to the Carburetor inlet 2 Connect one end of a throttle cable not included to the Carburetor slide Connect the other end to the throttle on the go kart frame Note This engine is not eq...

Page 11: ...s of each piece of equipment will differ depending on factors such as duty cycle temperature air quality fuel quality and other factors Note The following procedures are in addition to the regular che...

Page 12: ...an as described below 2 Cleaning For paper filters To prevent injury from dust and debris wear ANSI approved safety goggles NIOSH approved dust mask respirator and heavy duty work gloves In a well ven...

Page 13: ...ine with dry cloth NOTICE Do not clean using water The water will gradually enter the Engine and cause rust damage Apply a thin coat of rust preventive oil to all metal parts 2 FUEL To protect the fue...

Page 14: ...its may require further cleaning 7 Gently tap side of carburetor float chamber with screwdriver handle 8 Turn Choke to RUN position Remove spark plug and pull the start handle several times to air out...

Page 15: ...park plug cap Engine stops when under heavy load 1 Dirty air filter 2 Engine running cold 1 Clean element 2 Allow engine to warm up prior to operating equipment Engine knocks 1 Old or low quality gaso...

Page 16: ...n Pin 1 15 Piston Clip 2 16 Crankcase Cover Assembly 1 17 Oil Plug 1 18 Dipstick 1 19 Cylinder Head 1 20 Intake Valve 1 21 Exhaust Valve 1 22 Valve Seal 1 23 Valve Spring 2 24 Air Deflector 1 25 Valve...

Page 17: ...Page 17 For technical questions please call 1 888 866 5797 ITEM 57531 SAFETY SETUp INSTALLATION MAINTENANCE Assembly Diagram...

Page 18: ...Page 18 For technical questions please call 1 888 866 5797 ITEM 57531 SAFETY SETUp INSTALLATION MAINTENANCE Mounting Hole Diagram Note Not to scale LQ PP LQ PP LQ P P LQ P P...

Page 19: ...chnical questions please call 1 888 866 5797 ITEM 57531 SAFETY SETUp INSTALLATION MAINTENANCE power Take Off Diagram Note Not to scale 81 5 16 24 UNF LQ PP LQ PP LQ PP LQ PP LQ PP LQ PP 1 79 LQ PP LQ...

Page 20: ...usion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLU...

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