APRILIA TUONO V4 R a-PRC ABS Service Station Manual page 81

TUONO V4 R a-PRC ABS
020852Y Crankshaft timing pin
•
Turn the crankshaft back to the previous position in which the camshaft and U bolt holes
were aligned; Refit the reference pin while checking, using the crankshaft reference pin, that
the clutch side hole and the hole in the crankshaft are perfectly aligned.
•
If this is not the case, repeat the timing operations.
Specific tooling
020851Y Camshaft timing pin
020852Y Crankshaft timing pin
•
Check if the clearance between the cam on the shaft and the tappet is correct.
•
If not, repeat the valve clearance adjustment procedure.
Calibrated pad thickness
Pad thicknesses for adjusting valve clearance correctly:
1.75 mm (0.0689 in)
1.77 mm (0.0697 in)
1.80 mm (0.0709 in)
1.82 mm (0.0716 in)
1.85 mm (0.0728 in)
1.87 mm (0.0736 in)
1.90 mm (0.0748 in)
1.92 mm (0.0756 in)
1.95 mm (0.0768 in)
Maintenance
MAIN - 81