LUBRICATION
3 - 68
En
ine 450 - 550
3.7. PRIMARY TRANSMISSION GEAR
3.7.1. REMOVING THE PRIMARY GEAR
• Before removing any components, place a container of
adequate capacity under the engine.
• Remove the clutch, see (REMOVING THE CLUTCH).
• Remove the right crankcase cover, see (HOW TO
TAKE THE CRANKCASES APART).
• Unscrew and remove the primary gear nut.
• Use the special tool (no. 9100843) to remove primary
gear nut.
WARNING
Nut has a left-hand thread.
• Remove the sprocket.
• Remove the shim.
WARNING
One side of the shim is galvanised (friction
proof treatment) and it should be facing the
sprocket.
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