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For technical questions, please call 1-888-866-5797.

ITEM 57531 

        

S

AFETY

S

ETU

p

INST

ALLA

TION

M

AINTENANCE

Set Up

Read the ENTIRE IMpORTANT SAFETY INFORMATION section at the beginning of this manual 
including all text under subheadings therein before set up or use of this product.

TO pREVENT SERIOUS INJURY: 
Operate only with proper spark arrestor installed.

Operation of this equipment may create sparks that can start fires around dry vegetation. 
A spark arrestor may be required. 
The operator should contact local fire agencies for laws or regulations 
relating to fire prevention requirements.

TO pREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING:  Turn the Engine 
Switch to its “OFF” position, wait for 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 specific, 

specialized skill and knowledge.  This preparation must be completed before starting or 

operating the engine.  If you are uncertain about your ability to perform any procedures in 

this manual safely or correctly have the work performed by a qualified mechanic.
At high altitudes, the Engine’s carburetor, governor (if so equipped), and any other parts that control 

the fuel-air ratio will need to be adjusted by a qualified mechanic to allow efficient high-altitude 

use and to prevent damage to the Engine and any other devices used with this product.

WARNING!  TO pREVENT SERIOUS INJURY:  INSTALL THIS ENGINE ACCORDING TO INSTRUCTIONS 
FOR THE EQUIpMENT ON WHICH THE ENGINE WILL BE pLACED BEFORE USE.

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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