38Repair Manual PS-6400/PS-7300/PS-7900
1
(10,0 Nm ± 1,0)
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3
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4
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5
(10.0 Nm ± 1.0)
12 OUTSIDE COMPONENTS / CRANKCASE / CRANKSHAFT
Crankcase
The clutch-side and magneto-side crankcase halves
can be individually replaced.
They are bolted together with 6 Torx screws 1
(M5 x 30).
Pinned distortion-free with 2 spiral spring pins 2
(3 x 16 mm).
Always apply a dry new gasket 3 (038.111.042).
Cut off the excess gasket after crankcase assembly
is complete.
Replacing the radial ring
A new radial ring puller is in progress.
Fill new radial ring 5 with grease and insert in
crankcase with the special tool.
Replacing the crankshaft
Heat the crankcase clutch-side and magneto-side
to 150-160°C (302-320°F).
Evenly coat the external ring of the ball bearing 4
with “Loctite 601” and insert into the heated
crankcase without pressure.
Lubricate the big end bearing 5 with two-stroke oil.
Tool
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