Yamaha RX10K Supplementary Service Manual page 281

CAMSHAFTS
INSTALLATION
1. Install:
S Exhaust camshaft 1
S Intake camshaft 2
NOTE:
Install the camshafts with the punch mark a
facing up.
2. Install:
S Dowel pins
S Intake camshaft caps
S Exhaust camshaft caps
NOTE:
Make sure that the punch marks a on the cam-
shafts are aligned with the arrow marks b on
the camshaft caps.
Out of alignment ! Reinstall.
3. Install:
S Camshaft cap bolts
Bolt (camshaft cap):
10 Nm (1.0 mSkg, 7.2 ftSlb)
NOTE:
Tighten the camshaft cap bolts in stages and in
a crisscross pattern, working from the inner
caps out.
CAUTION:
The camshaft cap bolts must be tightened
evenly or damage to the cylinder head, cam-
shaft caps, and camshafts will result.
4. Install:
S Intake camshaft sprocket
S Exhaust camshaft sprocket
Installation steps:
S Turn the crankshaft clockwise
S When piston #4 is at TDC on the compression
stroke, align the "I" mark a with the stationary
pointer b on the A.C. magneto rotor.
5-14
ENG