2009 -2012 crf450s trans issue

sharkey
Posts
2446
Joined
7/28/2008
Location
Marysville, WA US
9/29/2012 8:13pm Edited Date/Time 10/3/2012 4:38pm
any of you guys have miss shift occasionally on these bikes under load. i noticed on my 2012 this happens sometimes racing, not sure what the problem is or the fix. thanks
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Shawn142
Posts
2598
Joined
10/27/2008
Location
Burleson, TX US
9/30/2012 10:52am
Never had a problem on my '09, but my Dad's '11 needed the tranny replaced because it was chunking gears. He missed a shift on a face and broke a collarbone.
9/30/2012 11:30am
Make sure your boot makes a solid shift up sometimes the lever is too high or low creating problems, and experiment with different tranny oils. Unfortunately once you miss a shift the gearbox is more likely to do it again. Engagement dogs get rounded and shift forks are ground away a little each time.
tmauto769
Posts
717
Joined
12/25/2011
Location
TN US
Fantasy
1265th
10/2/2012 3:11pm
Never had a problem with my '09, and one of the guys I ride with '11 hasn't had an issue either.
sharkey
Posts
2446
Joined
7/28/2008
Location
Marysville, WA US
10/3/2012 4:38pm
trying a longer shifter. seems like i cant get my foot under it enough and its close. i saw hammerhead makes a longer shiter for bigger boots

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