1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 43Get this manual
MAINTENANCE
Adjust by loosening the lock nut and turning the adjusting screw until there is slight drag on the feeler gauge
To turn the intake valve adjusting screw, insert the screwdriver through the frame plate hole
Hold the adjusting screw and tighten the lock nut
TORQUE: 17 Nm (1.7 kg-m, 12 ft-Ibl
Recheck the valve clearance
Inspect the condition of the a-rings and replace any that are worn or damagedInstall the valve adjusting hole coversInstall the following:crankshaft hole cap (TRX300)reduction shaft cap (TRX300FW)timing hole capfuel tank (page 4-3)
CARBURETOR IDLE SPEED
If the engine must be running to do some work, make sure the area is well ventilatedNever run the engine in an enclosed areaThe exhaust contains poisonous carbon monoxide gas that may cause loss of consciousness and lead to deathNOTE