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Crankcase / Transmission / Central crankcases
Disassembling the transmission and the
crankshaft:
• Remove the engine from the frame (see
the engine removal chapter).
• Remove the top end (see the top end
chapter).
• Remove the ignition components (see
the ignition chapter).
• Remove the clutch components (see the
clutch chapter).
• Remove the cam drive chain (see the
top end chapter).
• Remove the cam chain tensioner and
guides.
• Block the transmission primary gear with
special tool number 1817.
• Loosen the fixing nut for the counter
balancer.
• Remove the counter balancer weight.
• Remove the freewheel / crankshaft
spacer using a two armed gear puller. (see
photo)
• Remove the engine oil pump cover.
• Block the transmission primary gear with
special tool number 1817.
• Remove the transmission primary gear.
• Remove the clutch basket, the needle
bearings and the thrust washer.
• Remove the primary transmission gears.
• Remove the oil pump drive gear.
• Remove the oil pump cover.
• Remove the oil pump rotor.
• Remove the oil pump shaft.
• Remove the gear selector shaft.
• Using special tool number 2073 block
the gear selector drum and remove the gear
selector index wheel screw...
• Remove the gear selector index wheel.
• Remove special tool number 2073.
• Remove the starter motor.
• Loosen and remove the 13 central
crankcase screws.