Yz490 missing 3rd gear - Yamaha Forum : Your Yamaha Motor Products Community & Resource
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post #1 of 4 (permalink) Old 10-04-2018, 06:09 PM Thread Starter
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Yz490 missing 3rd gear

I was out riding and all of a sudden I noticed it was hard to shift up from second. So I shut my bike down and tried to move the shifter by hand which I could. So I hopped back on and started riding again and when I shifted to 3rd it just acts like it’s in neutral I can skip 3rd (with more force than normal) and go right to 4th. The other gears work just fine. I dropped the oil and noticed some small metal flakes (oil was shiny) but no big chunks. When I jacked up the rear tire (with bike off) and put it in 3rd it feels like it is normal. Any ideas on what might have happened?
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post #2 of 4 (permalink) Old 10-06-2018, 05:09 AM Thread Starter
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Anyone have an idea?
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post #3 of 4 (permalink) Old 10-08-2018, 07:50 PM
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There is probably an issue with the shift drum. Maybe a small burr or? Will need to split the case to be sure. Had a friend have a similar problem after rebuilding his bottom end after he had a gear fail. Found a nick on the shift drum that was causing the shifter to hangup between 2and 3. Buffed out and all good.
Best guess

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post #4 of 4 (permalink) Old 10-09-2018, 06:24 PM Thread Starter
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Thank you. Ill split the cases soon and let you know
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