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Discussion Starter #1
hey im new to this website but seems very helpful.. i have an 05 cbr600rr and when i shift into 2nd gear and get it around 12000rpm it slips and im not sure what to do. i heard that i need to take motor out and replace 2nd gear or all the gears... i was wondering if anyone has had the problem that i am having... what is better to do buy a newer motor with trans or just pull mine and start tearing it down. and how hard is this to fix? the shop says 17hrs of labor!!! i really want to do it my self just need some help thanks
 

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Or hard clutchless shifting??

Generally worn gear dogs and/or bent shift forks...
 

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i do a fair amount of wheelies but not too much. and never clutch less shifting, so how hard is it to replace the dogs? or shift forks? whats involved? pulling motor? my bike has 14000 on it and is it better to buy a newer motor or fix this problem? thanks
 
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It's probably bent shifter forks from doing wheelies, though it could be other things.

You will need to remove the engine and split the cases, then you can find out what all was damaged, but it's best to replace everything for the affected gears as a set to avoid abnormal wear on the new parts.
 

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Discussion Starter #6
ok thanks i was woondering where i could find directions on how to do this project? any web-site you no of? or if buying a service Manual is helpful? is buying a motor a cheaper route and just pulling old and installing new better? like a motor with 3000miles or someting
 
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A new motor will only be cheaper if you don't understand or know how to pull the engine apart to fix it, since 17 hours labor would be between $1500 and $1900 before taxes.

Pick up a service manual. It will cover everything that needs to be done.

Edit: Though hell, if you're close, I'll do it for 10 hours labor at a 1/4 of that shops labor rate.
 

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A new motor will only be cheaper if you don't understand or know how to pull the engine apart to fix it, since 17 hours labor would be between $1500 and $1900 before taxes.

Pick up a service manual. It will cover everything that needs to be done.

Edit: Though hell, if you're close, I'll do it for 10 hours labor at a 1/4 of that shops labor rate.
This may be a dumb question, but could it be a worn out clutch causing that?
 

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Discussion Starter #11
yeah just put a clutch in it last week and then this problem just never went away, it need a clutch also it had 14000k on the original clutch and needed replacing.. so with that said is 14000k motor worth working on? like the tear down and fixing the folks and dogs? or just better to buy a motor with less miles? i would have you fix it for sure if u could but i live in Michigan kinda far lol
 
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It's a Honda. That motor will be worth working on at 140,000 miles so long as you take care of it and maintain it.
 
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