86
Fig. 54
Fig. 55
Fig. 56
Fig. 53
f)
CAMSHAFT - OIL PUMP - COVER
Position valve lifters in the correct order and fit camshaft
with timing marks aligned as in Fig 55.
Check governor shaft and replace if worn or bent.
Install governor gear assembly.
Refit dowel pins in crankcase and fit a new gasket.
On engines with aluminium bearings
Place crankcase cover on crankshaft, position oil pump
plunger in line with slot (vertical shaft engines) and push
cover home, turning crankshaft to mesh governor gear,
tighten securing bolts in sequence to torque figures in
table.
On engines with ball bearings
Fit crankcase cover on crankshaft, turning crankshaft to
mesh governor gear.
Push fully home and fit bolts in sequence (Fig 56), tighten
to torque figures shown in table. On horizontal shaft
engines fit snap ring to crankshaft and refit oil seal with
special tool 88841533.
On BH models there is no circlip
To eliminate crankshaft end float a compressible washer
is used on the magneto journal and of the crankshaft.
This washer must be fitted prior to inserting the crankshaft
into the magneto end bearing when assembling the engine.
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