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HELP!!! My Goddamn front sprocket wont come off. I've used an impact tool a torque wrench, my friend LOL nothing will get this fucking bolt off. I want to put my geared sprocket on there to replace my old one but the damn thing wont come off. Does anyone know how to take an 03 636 front sprocket nut off?
 

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when you use the wrench make sure to put a extension on it..like a piece of pipe. that will make it a lot easier
you used a impct wrench and it didn't come off..? wierd
 

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gotta ask, which way are u turning it?
 

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Also, did you bend the locking washer out of the way? Do that, turn counterclockwise w/ the impact.
 

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What kind of impact wrench are you using? ...I ask because some are only good for about 110 ft-lbs. I'd try a breaker-bar and like Spartan said, slide a longer pipe over the bar for more leverage and place the wrench in such a way that you can push down rather than pull up on it. Just my $0.02
 

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Right BSHAP, a 3/8" impact may not take it off, but a 1/2" should. Depending on how crappy your air gun is or how small your air line is or the capacity of your compressor tank. If you don't have enough tank volume you cannot supply enough flow for impact to work at its full potential. Same thing goes for a hose that is too small.
 

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Discussion Starter #9
Yea, thanks guys that makes sense I did mostly all of that accept putting a board in between the back tire to stop the motor from turning over. My friend said that he had a pos air gun too so thats probably why. Thanks for the input
 

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Walmart sells a 1/2" drive air gun that has some balls for about 50 bucks. Well worth it and worked well when I changed my sprocket...
 

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what size is this nut/bolt... sorry for bringing up a deal post..but i'm going to do this soon, and need help.
 

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Originally posted by TommyV
Originally posted by kilaman
gotta ask, which way are u turning it?
I was about to ask the same thing.
ok thats the first thing that came to mind.
second was get and extension and a metal pipe. put the extension on from the wrench to the socket and then the metal piple about 3-4 foot long over the handle.have friend hole it in place and put all you wieght on the metal pipe. and remember LEFTY LOOSEY RIGHTY TIGHTY. LOL if that dont get it off then i dotn know.
 

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Im sure the bolt has loctite on it as well, pain in the ass goo i call it.
 

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Leave the chain on it and get your mate to sit on it with it in gear and the back brake on and you should be able to get it off with a 18 inch breaker bar of course you can use a bit of pipe as well if you like.:)
 

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fawk it, i'm having the shop do it. I bought the 27mm socket and i rather pay someone to do this job, i dont want to strip that mofo.
 

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lol, dont be so worried, the best way is an impact gun, i really really do not like the idea of a breaker bar with a pipe, sure there is an enormous amount of torque made, but a lot of "side thrust" as i like to call it when using rachets like that.. An impact is straight on, just torque, think about how a rachet works and then throw a deep socket on that, if you dont hold the head of the rachet while someone is jumping on the output shaft it could be unpretty.. Usually the head of the bolt or the nut will round off before this happens but when it does you will wish you had a different name.
 

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Originally posted by 2k6r520
fawk it, i'm having the shop do it. I bought the 27mm socket and i rather pay someone to do this job, i dont want to strip that mofo.
Make sure you use a 6-point socket. I tried to get mine off with a 12-point and ended up rounding it off a bit, but even after rounding it, the 6-point took it off.
 

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You know what's funny? I stripped my buddy Mike's sprocket nut on his zx9r trying to get it off with a breaker bar and socket. We got it off, but he had to buy a new sprocket nut. Then I changed the sprocket on my 929. It was an 8mm bolt with no washer bent over it. Took all of about 40 ft. lbs. of torque to get it off. I couldn't believe it.
 
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