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ITEM 57531 

        

S

AFETY

S

ETU

p

INST

ALLA

TION

M

AINTENANCE

Checking and Filling Fuel

WARNING!

 

TO pREVENT SERIOUS 

INJURY FROM FIRE:

 

Fill the fuel tank in a well-ventilated area 

away from ignition sources.  If the Engine 

is hot from use, shut the Engine off and 

wait for it to cool before adding fuel.  Do not smoke. 
1.  Clean the Fuel Cap and the area around it.
2.  Unscrew and remove the Fuel Cap.
3.  Remove the Strainer and remove any dirt 

and debris.  Then replace the Strainer. 

Note:  Do not use gasoline containing more than 
10% ethanol (E10).  Do not use E85 ethanol.  Add fuel 
stabilizer to the gasoline or the Warranty is VOID.
Note:  Do not use gasoline that has been stored in a 
metal fuel container or a dirty fuel container.  It can 
cause particles to enter the carburetor, affecting 
engine performance and/or causing damage.

4.  If needed, fill the Fuel Tank to about 1 inch under 

the fill neck of the Fuel Tank with 91 octane or 

higher unleaded gasoline that has been treated 

with a fuel stabilizer additive.  Follow fuel stabilizer 

manufacturer’s recommendations for use.

5.  Then replace the Fuel Cap.
6.  Wipe up any spilled fuel and allow excess 

to evaporate before starting Engine.  

To prevent FIRE, do not start the Engine 

while the smell of fuel hangs in the air.

Air Filter Maintenance

1.  Remove the Air Cleaner Cover and the air filter(s) 

and check for dirt.  Clean 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-ventilated 

area away from bystanders, use pressurized 

air to blow dust out of the filter.

•  For foam filters: 

Wash the filter in warm water and mild 

detergent several times.  Rinse. Squeeze out 

excess water and allow it to dry completely.  

Soak the filter in lightweight oil briefly, 

then squeeze out the excess oil.

3.  Install the cleaned filter(s).  Secure the 

Air Cleaner Cover before use.

Engine Oil Change

CAUTION!

  Oil is very hot during operation and 

can cause burns.  Wait for Engine to cool before 

changing oil.
1.  Make sure the Engine is stopped and is level.
2.  Close the Fuel Valve.
3.  Place a drain pan (not included) underneath 

the crankcase’s drain plug.

4.  Remove the drain plug and, if possible, 

tilt the crankcase slightly to help drain 

the oil out.  Recycle used oil.

5.  Replace the drain plug and tighten it.
6.  Clean the top of the Dipstick and the area around it.  

Remove the Dipstick by turning it counterclockwise, 

and wipe it off with a clean, lint free rag.

7. 

Full level

Full level

Add the appropriate type of oil until the 

oil level is at the full level.  SAE 10W-30 

synthetic oil is recommended. 
The SAE Viscosity Grade chart shows other 

viscosities to use in different average temperatures.

10W-30

5W-30

-20

0

20

40

60

80

100°F

SAE Viscosity Grades

Average outdoor temperature

8.  Thread the dipstick back in clockwise.

NOTICE:  Do not run the Engine with too little oil.  
The Engine will be permanently damaged.

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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