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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Half time pinion.
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<blockquote data-quote="Len Matthews" data-source="post: 1215" data-attributes="member: 178"><p><strong>Half time pinion mystery</strong></p><p></p><p>Hello John, I had dealings with a Comet engine where the H/T pinion was too far inboard. I had to part the crankcase to find out why. Initially, nothing seemed wrong until I pulled the bearings off the drive side mainshaft. The boss on the flywheel where the roller bearing abuts was so badly worn that the whole crank assembly was misaligned to the left. Trapped under the bearing was a heap of paper-thin shims;over a dozen of them-I counted! The answer was to make up a steel washer of the appropriate thickness to restore the situation. I hope you not faced with the problem. Len.</p></blockquote><p></p>
[QUOTE="Len Matthews, post: 1215, member: 178"] [b]Half time pinion mystery[/b] Hello John, I had dealings with a Comet engine where the H/T pinion was too far inboard. I had to part the crankcase to find out why. Initially, nothing seemed wrong until I pulled the bearings off the drive side mainshaft. The boss on the flywheel where the roller bearing abuts was so badly worn that the whole crank assembly was misaligned to the left. Trapped under the bearing was a heap of paper-thin shims;over a dozen of them-I counted! The answer was to make up a steel washer of the appropriate thickness to restore the situation. I hope you not faced with the problem. Len. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Half time pinion.
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