Honda 2005-2008 RX500 FA Service Manual page 79

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'61HN252' by American Honda Motor Co. - Page 79 of 540

[2005-2008] [TRX500 FA/FGA]

When checking the

clearance, slide the

feeler gauge from

the center toward

Rotate the crankshaft using the recoil starter knob

and align the "T" mark on the flywheel with the

index mark on the alternator cover.

Make sure the piston is at TDC (Top Dead Center) on

the compression stroke.

This position can be obtained by confirming that

there is slack in the rocker arm. If there is no slack, it

is because the piston is moving through the exhaust

stroke to TDC. Rotate the crankshaft one full turn

and match up the "T" mark again.

Check the clearance of each valve by inserting a

feeler gauge between the adjusting screw and valve

the outside.

VALVE CLEARANCES:

IN: 0.15 mm (0.006 in)

EX: 0.23 mm (0.009 in)

Adjust by loosening the lock nut and turning the

adjusting screw until there is a slight drag on the

feeler gauge.

Hold the adjusting screw and tighten the lock nut to

the specified torque.

TORQUE: 17 N·m (1.7 kgf·m, 13 lbf·ft)

After tightening the lock nut, recheck the valve

Coat new O-rings with engine oil and install them

into the grooves in the tappet adjusting hole caps.

install the tappet adjusting hole caps.

http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...

FEELER GAUGE

ADJUSTING SCREW

3/9/2008 10:39 PM

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