28 – English
CENTRIFUGAL.CLUTCH
Cleaning and inspection
Clean all components and check the following:
1. The lining thickness on the clutch shoes must not be
less than 3.5 mm at the most worn point. See fig. 5.
2. There should be no play between the clutch shoes
and the clutch hub.
3. Wear on the chain drive sprocket.
4. The needle bearing should be in good condition and
the journal surface on the crankshaft undamaged.
5. The friction surface on the clutch drum should
be intact and the bearing surface undamaged.
Assembly
When assembling the centrifugal clutch the chain brake
must be in the off position.
1. Fit the clutch shoes on the hub and fit the springs
with circlip pliers. See fig. 4.
Fig. 5
Fig. 6
NOTE!.
The.clutch.springs.must.not.opened.more.
than.is.necessary..Risk.of.deformation.
min.3.5.mm
2. Fit the clutch hub on the crankshaft and tighten with
the clutch tool. Note – left-hand thread! See fig. 6.
3. Remove the piston stop and fit the spark plug and
put on the ignition cable.
4. Grease in the needle bearing before fitting. Fit the
clutch drum (C) with needle bearing (D) and chain
drive sprocket (E). See fig. 2 page
26
.
5.
Exercise care to ensure that the clutch drum and oil
pump gear fit in the drum’s cut-out. See fig. 7.
6. Fit the washer and locking ring (B). See fig. 2.
7. Fit the cylinder cover, chain and bar. See Operator's
Manual.
Fig. 7
