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- Tue Dec 24, 2013 2:41 am
- Forum: Maintenance and Repair
- Topic: Looking for a Mark VII speed change follower
- Replies: 23
- Views: 4279
Mark VII Control Sheave bad bushings
I have the same problem you faced, with my M7 sheave. My cam is usable, although it has some damage. But the sheave it pushes on is in bad shape. It has a hogged-out bronze bushing I think due to lack of lubrication on the drive shaft. The bushing is worn to an oblong hole where it rides on the shaf...