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CRANKSHAFT / TRANSMISSION 8-17
Shift Drum and Fork Removal
.Remove the following.
Lower Crankcase Half (see Crankcase Splitting)
External Shift Mechanism (see this chapter)
Shift Drum Bearing Retainer Bolt
Shift Drum Disassembly
.Remove the shift drum (see this chapter).
.While holding the shift drum with a vise, remove the
shift drum cam bolt.
Shift Drum Assembly
.Align the hole of the shift drum cam with the dowel pin.
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A. Shift Drum Bearing Retainer Bolt
.Pullout the shift rods and take off the shift forks.
.Pullout the shift drum.
1. Shift Drum
2. Shift Drum Cam
3. Dowel Pin
4. Cam Mounting Bolt
Shift Drum and Fork Installation
.There are three types of the shift forks. The smaller shift
fork is for the drive shaft gear.
.Other two are for output shaft gears.
.Install the shift forks as shown, noting the rib position.
.Tighten the following to the specified torque (see
Exploded View).
Shift Drum Bearing Retainer Bolt
Shift Drum Cam Mounting Bolt
(Applya non-permanent locking agent)
A. Shift Fork (clutch side)
B. Shift Fork (for drive shaft gear)
C. Shift Fork (engine sprocket side)