1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 27Get this manual
MAINTENANCE
CARBURETOR IDLE SPEEO
NOTE Inspect and adjust the idle speed after all other engine maintenance ilems have been performed and are within specifi-
cations The engine must be warm for accurate idle speed inspection and adjustment Warm up the engine for about ten minutesTurn the throttle stop screw as required to obtain the specified idle speed IDLE SPEED1,400 :t 100 rpm
FUEL LINE
Check the fue lineReplace anV parts which show signs of deterioration, damage or leaks
FUEL FILTER
Turn the fue valve OFF Remove the fuel cUPD -flng and filter screen, and drain the gasoline into suilable container