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Stripped front sprocket nut....HELP!!

5505 Views 13 Replies 11 Participants Last post by  zx6ixxer
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So I bought a new sprocket kit and was so excited to put it on. I looked everywhere for the tools I'd need and went and purchased a deep 27mm and 1/2 torque wrench at sears. I already had a breaker bar and about a foot of steel pipe. had my wife help me hold the break down and also used a 2x4 across the rear wheel too. Everything was holding perfectly until I felt it...STRIPPED!!! What can I do now? I'm thinking I can use the outer most lip but have no clue what size that would be. I think I should also point out that the craftsman socket I bought was a 12 point one....only one they had in stock...ANY IDEAS? BTW I purchased the chain and sprocket kit from supersprox and went 2 up in the back.


$242.75 we'll see if it's worth it. Talked to the guy in charge and he said it's really a LIFETIME warranty. He said sprocket should last 30K miles and you just keep sending in the old one for new ones for the rest of your life lol.
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happened to me, rent an impact and use the next step up, its 32mm. just be damn sure not to let it slip because if you round off that one, youre fucked.
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happened to me, rent an impact and use the next step up, its 32mm. just be damn sure not to let it slip because if you round off that one, youre fucked.
I tried my 32mm and it's too small for that next one up...
Think the larger one is 32mm maybe? A caliper would tell you for sure.

You must use a 6 point socket for that (as you found out). If they don't have it in a standard socket, look for it in with the impact sockets. Those will always be 6 point.
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Think the larger one is 32mm maybe? A caliper would tell you for sure.

You must use a 6 point socket for that (as you found out). If they don't have it in a standard socket, look for it in with the impact sockets. Those will always be 6 point.
I'll go back and try to get a 6 point 27mm I think it might still work. And I just went back and tried my 32mm and it doesn't fit.

EDIT: Ok so the 32mm does fit I just had to flatten out the washer a little more to get it on all the way. Now I need to find an impact.
Impact wrench is the best way to handle these.

But you could try using a flat head screw driver & hammer to make a notch in the bolt, then tap it counter clockwise to see if you can loosen it.

Another option would be having a place weld another bolt or something, to the existing bolt.
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I'll go back and try to get a 6 point 27mm I think it might still work. And I just went back and tried my 32mm and it doesn't fit.

EDIT: Ok so the 32mm does fit I just had to flatten out the washer a little more to get it on all the way. Now I need to find an impact.
aye, gotta get that washer flat in order to get the 32mm on there. get someone else to stand on the opposite side of the bike it you want so you can push against it without the fear of pushing it off the stands.
32mm 6 point socket, 1/2 breaker bar, 4-5 feet of pipe over the breaker bar, turn slowly... off it will come. Ski
its crazy that there so tight ,i have heard some real shit stories of them being seized ect ,i must be one of the lucky ones
If you can, take it to a tire shop. They can loosen it for you. Heck, if it's your only way, they can torque it back down for you and you can get it back off at home. It's seriously torqued at 200-350 ft lbs from the factory.
-Cody
lol @ 200-350 - that sounds right. service manual specifies 90 ft lbs. but i'm pretty sure it's a silverback gorilla jumping on a 6' cheater bar @ the kawasaki heavy industries factory.
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I had this walk in and it took some cutting a slot in it to get it off.

But they do have Loctite on them thus why they feel so much tighter than they actually are.

Although I have never had any issue using a 6pt on them with an impact. And not in gear either!

The owner was the one with the torch burning up the rubber damper.

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