1985-1986 Honda ATC250R Shop Manual, Page 25Get this manual
MAINTENANCE
FUEL STRAINER SCREEN
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FUEL FILTER
Drain the fuel from the fuel tankFlemove the fuel valve by removing the fuel valve mounting boltsHemove and clean the fuel filterI nstall the fuel filter and valve,lttach the fuel lineFill the fuel tank and turn the fuel valve to "ON" and check for leaks
FUEL VALVE
COMPRESSION GAUGE
GYUNDER COMPRESSION
Warm up the engineStop the engine and remove the spark plugthe fuel tank (Page 3-3)I nstall compression gaugePull the starter valve all the way upFully open the throttleOperate the starter pedal several times.1 .1