69
4
Locate the heated gear collar on the flywheel and
knock it into position with a soft drift and hammer.
Let the gear collar cool in open air.
5
Clean the mating surfaces on the flywheel and crank-
shaft. Check the locating pin in the crankshaft flange
and rear crankshaft seal. Replace if required.
Install flywheel. Tightening torque 65 Nm + angle
tighten 60°.
6
Install the RPM sensor (44/300 series).
Repair Instructions
Gear collar, replacing
(flywheel dismounted)
1
Drill 1–2 holes in a notch on the gear collar. Split the
gear collar at the drilling point with a chisel and re-
move the gear ring.
2
Brush the flywheel contact area with a steel brush.
3
Heat the new gear collar in an oven or with a welding
torch to maximum 180–200°C.
WARNING! If use a welding torch great care
must be taken to ensure that the gear collar is
evenly warmed and not partially too hot which
will result in running off the flywheel. To check
the heating, polish the gear collar to bare metal
shine in a few places. Stop heating when these
surfaces turn blue.
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