020852Y Crankshaft timing pin
•
Turn the crankshaft back to the previous position in which the camshaft and U bolt holes
were aligned; insert the reference pin while checking with the crankshaft reference pin, that
the flywheel side hole and the hole on 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.
Rear cylinder head valves
•
Check the rear valve head clearance and restore the correct clearance values if necessary,
proceeding as described below.
•
Remove the rear head cover and the clutch cover.
•
Move cylinder piston 1 (left rear piston) to the TDC;
•
Turn the crankshaft 450° (one complete turn + 90°) in the direction of motor rotation (direction
of travel).
•
Insert the pin from the clutch side into
the hole in the crankshaft.
NOTE
THE SPECIAL TOOL IS ONLY USED FOR IDENTIFYING
THE CORRECT CRANKSHAFT POSITION.
DO NOT USE IT FOR TIGHTENING OPERATIONS.
Specific tooling
020852Y Crankshaft timing pin
See also
Head cover removal
Removing the
clutch cover
TUONO V4 R Maintenance
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