Valves - Honda TRX500FA6 AT Owner's Manual

Valves

Valve Inspection
Refer to Safety Precautions on page 125.
Valve clearance should be:
intake:
exhaust:
Excessive clearance will cause noise. Insufficient clearance will cause
loss of power and possibly damage the valves.
For those who are mechanically proficient and have the proper tools,
instructions on adjusting valve clearances are given in the official
Honda Shop Manual. Otherwise, the valves should be adjusted by
your dealer.
178 Servicing Your Honda
0.15 mm (0.006 in)
0.23 mm (0.009 in)