NOTICE!
Do not mix up the fastening screws for the recoil
starter by mistake!
Unscrew the fastening screws (1), (4) and (6)
take off the recoil starter.
Align the alignment mark on the flywheel rib
the top bore in the fan cover .
The piston is in top dead centre of the compression
stroke.
However, if the exhaust valve is open when aligning
the marks, the flywheel must be turned further by 360°.
Measure the valve clearance with a feeler gauge (2)
To adjust the valve hold the valve adjustment screw (1) and
loosen locking nut (3).
Turn the valve adjustment screw in or out, as required.
Retighten the locking nut with a tightening torque of 7.5 Nm
(5.5 ft.lbs).
Clean the sealing faces on cylinder head cover and cylinder
block.
Fig. 52
Fig. 53
Fig. 54
Maintenance
BT 60 / BT 65
58
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