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FJR Motorcycle Forums
FJR Specific Discussion
Converting Gen 2 AE to A engine - is it possible?
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<blockquote data-quote="rPGoatBoy" data-source="post: 1205418" data-attributes="member: 27237"><p>James, I think you're going to find there are no case differences between the two engines. That would probably be cost prohibitive from Yamaha's standpoint to have two different engine cases for the same model with no other internal differences. In fact, my (and your) A engine has an unused screw boss near that gear position indicator that's used for the AE shift mechanism. So, more good news.</p><p></p><p>Also, no synchros on these transmissions, just forks, dogs, and pockets. Your old shift forks and at least that 2nd gear combo are shot, probably more. I don't think I'd use any other parts from that old A transmission (except the barrel), unless of course they happened to look pristine (highly unlikely with 200k+ on the clock). But I'm betting your AE trans looks great inside. What year bike was the donor?</p></blockquote><p></p>
[QUOTE="rPGoatBoy, post: 1205418, member: 27237"] James, I think you're going to find there are no case differences between the two engines. That would probably be cost prohibitive from Yamaha's standpoint to have two different engine cases for the same model with no other internal differences. In fact, my (and your) A engine has an unused screw boss near that gear position indicator that's used for the AE shift mechanism. So, more good news. Also, no synchros on these transmissions, just forks, dogs, and pockets. Your old shift forks and at least that 2nd gear combo are shot, probably more. I don't think I'd use any other parts from that old A transmission (except the barrel), unless of course they happened to look pristine (highly unlikely with 200k+ on the clock). But I'm betting your AE trans looks great inside. What year bike was the donor? [/QUOTE]
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FJR Motorcycle Forums
FJR Specific Discussion
Converting Gen 2 AE to A engine - is it possible?
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