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Dude

FMF Powercore 4 installation help??

7 posts in this topic

Just received a Powercore 4 off of Ebay and am having problems on the install.

1. The stock muffler clamp is too big. Where do I find one smaller?

2. It didn't come with the gasket between the muffler/header pipe. What should I use?

3. Is there supposed to be a metal sleeve inside of the rubber bushing on the rear mount?

4. The pipe comes really close to the rear brake reservoir. Should I relocate it, or is it OK

Thanks for your help.

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#2... I think the fit of the silencer to the head pipe is pretty poor. I tried to use a liquid exhaust gasket from an auto parts store (get the highest temp rated stuff you can find)-it worked fair, but it was red and looked like crap. Don't bother with the "tape" gasket made for exhausts-it melts right away.

#3... Yes there should be a metal sleeve to fit inside the rubber bushing at the rear mount. At least mine had one...

I agree with all the other answers.

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Dude, You may want to heat tape the pipe around the brake res. Mine was melted when I bought the bike. At least keep an eye on it for heat damage.

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I used a piece of exhaust gasket material (comes in small sheets from auto parts store) about 1" wide, wraped it around the pipe & used the stock clamp. I can re-use the gasket when I change my oil filter on the '00.

Have had no problems with an unprotected brake reservoir - on a YZ

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