Honda CRF250X Owner's Manual & Competition Handbook page 78

250X_060-083.qxd 08.7.3 15:07 ページ72
Valve Clearance
6. Insert the feeler gauge between the intake
valve lifter and cam lobe.
If the feeler gauge (15) cannot be inserted, the
shim is caught between the valve lifter and the
valve retainer. Remove the camshaft holders
to place the shim correctly, and reinstall the
camshaft holders.
Valve Clearance:
IN: 0.12 ± 0.03 mm (0.005 ± 0.001 in)
EX:0.28 ± 0.03 mm (0.011 ± 0.001 in)
(15)
(15) feeler gauge
72
Servicing Your Honda
7. Remove the stopper tool (16) from the cam
chain tensioner lifter.
(16) stopper tool
8. Install a new sealing washer (17) and tighten
(15)
the cam chain tensioner lifter cover bolt (18).
(17)
(17) sealing washer
(18) cam chain tensioner lifter cover bolt
Crankshaft Hole Cap Installation
Coat a new O-ring (1) with engine oil and install
it onto the crankshaft hole cap (2).
(16)
Apply grease to the crankshaft hole cap threads.
Install and tighten the crankshaft hole cap to the
specified torque:
15 N·m (1.5 kgf·m, 11 lbf·ft)
(2)
(1) O-ring
(18) (2) crankshaft hole cap
(1)