Setting cylinder rear to TDC
– Unscrew the plug
1
from the generator cover to be able to turn the
crankshaft.
– Turn the crankshaft in a counterclockwise direction until the rear
cylinder is in the TDC position. The marks
2
(crosses) must coincide
with the flat outer surface of the cylinder head at the camshaft gears.
NOTE: the camshaft gears are identical for both cylinders but have
marks for cylinders rear and front. Match the respective mark to the
respective cylinder, i.e. the crosses for cylinder rear and the circles for
cylinder front.
– Remove the case bolt and screw in the special tool 0113 080802
3
to block the crankshaft.
Camshafts cylinder rear
– Check and note down the valve clearance before you dismount the
camshafts.
Valve clearance:
intake 0.125 - 0.175 mm
exhaust 0.225 - 0.275 mm
– Loosen the bolts on the camshaft bearing bridge from the rear
cylinder and carefully remove the camshaft bearing bridge.
!
CAUTION
!
W
HEN TIGHTENING THE BOLTS OF THE CAMSHAFT BEARING BRIDGE
,
MAKE SURE THAT
THE VALVES ARE NOT ACTUATED BY THE CAMSHAFT
(
SEE ILLUSTRATION
),
OTHERWISE
THE BEARING BRIDGE WILL BREAK
.
– Remove the camshafts from the cylinder head without tilting.
4-3
1
2
2
3
