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18 Posts
Discussion Starter · #1 ·
Not technically a trail bike, but same basic engine to other Honda 500-650s that are.

There's something that puzzles me about the XBR engine and hope someone might be able to advise.

On the starter gears cover (LHS) on 'some' XBR500s, there is another small round cover that I believe houses a 'torque limiter' from the starter motor. Can anyone clarify what this is for and why only some XBRs seem to have it? The parts lists show both variants but with no indication of when it would or would not have been fitted.

I could understand why it might be necessary on a big single, but not then why it is only seen on some XBRs, not all and not on any 650s. Anyone any info on this?
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