2nd gear missing/skipping/jumping - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #1 of 15 (permalink) Old 08-26-2019, 10:21 PM Thread Starter
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2nd gear missing/skipping/jumping

Hey all,

This one's a noodle scratcher for me. I have a 2013 FJR with ~80k miles on it. Only in second gear with a wide open throttle, something is jumping or skipping somewhere. It almost feels like the rear tire is breaking traction for a split second (but it's not as I assume it wouldn't hook back up until the TCS kicks in and the light never comes on and flashes to indicate it's doing anything). It's super brief and thus hard to get a feel for what is happening. I've ruled out the final drive as I cannot reproduce it in any other gear, first or third, and believe me, I've tried. As time goes on, it seems to happen with less throttle and multiple times as the motor revs up. As such, I've been taking it easy in second gear. Anyone have any ideas barring taking things apart at the moment?

Thanks,
Russ
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post #2 of 15 (permalink) Old 08-26-2019, 10:50 PM
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Unfortunately, this sounds like your 2nd gear engagement dogs... and the more it skips, the worse it will get.
Temp solution is what you are already doing which is taking it easy on throttle in 2nd gear.

However, the real fix will require pulling the engine and splitting the cases... no way around it unfortunately.
I took a test ride on an FJ1100 many years ago and it did exactly what you describe...(didn't buy that one).
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post #3 of 15 (permalink) Old 08-26-2019, 11:00 PM
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Something similar happened to me when I bought new boots. Now I am more careful when shifting.
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post #4 of 15 (permalink) Old 08-26-2019, 11:03 PM
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Yep, gear dogs worn and slipping out under hard acceleration.

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post #5 of 15 (permalink) Old 08-27-2019, 01:22 AM
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Seems to be a relatively common problem. It's a shame because second gear is so much fun to play with.


Someone (don't rember which forum) recently documented his teardown. He kept a log and separated the parts into numbered ziplock bags. He used about 80 of them as I recall. That made reassembly easier because he could just reassemble in the reverse order. It looked like not a really difficult job, but a lot of work.


I decided I would baby my gearbox.
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post #6 of 15 (permalink) Old 08-27-2019, 08:22 AM
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Best thing you can do is don't jackrabbit until you are fully engaged in second with a crisp shift. The right boot/shifter position adjust/lubed all help prevent the issue. Bent worn shifter fork won't help either, if you're having hard shifting issues, best address that before it becomes a problem (flush/bleed clutch, worn brass bushing in the lever, maybe an oil change).

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post #7 of 15 (permalink) Old 08-27-2019, 08:39 AM
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You don't mention where you live. Since I am a nice guy and care about other people, I will trade you straight up {no, don't thank me}, my 07 with less miles than your old worn out 13 with the shifting problems, and you will get a NEW {kind of} transmission. Again, don't thank me, it's my nature. LOL
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post #8 of 15 (permalink) Old 08-27-2019, 01:48 PM
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Sometimes, my dogs slap when shifting. I don't get why. I fear this is going to be an issue for me. I think it is design.

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post #9 of 15 (permalink) Old 08-27-2019, 04:16 PM
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As long as I can remember, since the early 70's, that was blamed on guys accelerating hard in first and banging it into second gear.
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post #10 of 15 (permalink) Old 08-31-2019, 06:37 AM
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It's the one thing I advise potential buyers of used FJR's to check carefully as it doesn't go away or get better with time.

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