1995-2003 Honda Foreman TRX400FW TRX400 TRX 400 400FW Service Manual, Page 303Get this manual
REAR DRIVING MECHANISM BACKLASH INSPECTION Remove the oil f,lIer cap
Set the gear case On the vise and hold the pinion Joint as
shownSet horilontal type diaindicator on the ring gnr, through til! 011 filler holeRotate the ring gear by hand until gear slact is taken upTum the fing gear back and forth to read back luhSTANDARD:
0.050.30 mm (0.002 0.012 In)
SERVIaUMIT; 0.010 mm 0.016 In)
Remove the dial Indicator Tyrn the ring gear and measure the backlash Repeat this procedure once mOreCompere the differen.r:e of the three measurementsDIFFERENCE Of MEASUREMENT SERVICE UMIT, 0.25 mm 0.010 Inl
If the diffe rence in menurements axc""ds the limitit
indicates hal either Ihe bearing is not Install"d squa,elyOr the case is deformedInspect each bear;ng end caseIf backlash i, too amallreplace the ring gear left side spacewiththicker one, BlICkluh is changed bv about 0.06 mm (0.1)02 Inl when thickness of the Sl'er is changed by 0.12 mm (0.005 in)