Valve Clearance
Camshaft Installation
1. Install the newly selected shims (1) on the
valve retainers (2).
Do not let the shims fall into the crankcase.
NOTICE
(1) shims (2) valve retainers
2. Apply molybdenum disulfide oil solution (a
mixture of 1/2 engine oil and 1/2
molybdenum disulfide grease (containing
more than 3% molybdenum disulfide
additive) to outer surface of the each valve
lifters.
Install the valve lifters (3).
3. Rotate the primary drive gear lock bolt (4)
(crankshaft) clockwise and align the punch
mark (5) with the index mark(6).
(7) cam sprocket
(9) cylinder head
(8) timing marks
(10) cam chain
5. Apply grease to the set rings and install it
onto the camshaft holders (11).
Install the camshaft holder bolts (12) and
tighten it to the specified to torque:
12 lbf·ft (16 N·m, 1.6 kgf·m)
Tighten the camshaft holder bolts in a criss-cross
pattern in 2 or 3 steps.
(11) camshaft holders
(12) camshaft holder bolts
(2)
(2)
(1)
(4)
(5)
(6)
(12)
(12)
(11)
Servicing Your Honda
71
(3) valve lifters
(4) primary drive gear lock bolt
(5) punch mark
(6) index mark
4. Apply molybdenum oil solution to the
camshaft journals and cam lobes.
Place the cam sprocket (7) and align the
timing mark (8) on the cam sprocket with the
top surface of the cylinder head (9).
Install the cam chain (10) over the sprocket
without rotating the sprocket.
(cont’d)
(3)
(8)
(9)
(8)
(10)
(7)
Summary of Contents for CRF250X 2006
Page 1: ...2006 Honda CRF250X OWNER S MANUAL COMPETITION HANDBOOK ...
Page 10: ...6 Motorcycle Safety ...
Page 16: ...12 Before Riding ...
Page 26: ...22 Basic Operating Instructions ...
Page 150: ...146 Taking Care of Unexpected ...
Page 165: ...Technical Information 161 Wiring Diagram ...
Page 166: ...162 Technical Information ...
Page 177: ...Memo 173 ...
Page 178: ...174 Memo ...
Page 179: ...Memo 175 ...