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Old 02-22-2013, 08:39 AM
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dodge dude94 dodge dude94 is offline
Motorized Bicycle Elite Member
Join Date: Jun 2012
Location: East Texas
Posts: 1,017
Default Re: what did you do to your motor bike today?

Originally Posted by GearNut View Post
That sounds like an exhaust gasket leak. The exhaust can spew out black oily gunk if the gasket is leaking. If the head gasket is leaking it will spit out a fine oily mess on the outside of the engine that can turn black after road crap sticks to it. The only black you'll see is the first 1/2" or so directly around the leak itself after you remove the cylinder head. Also a head gasket leak will cause a lean condition and the engine will run wrong.
Well, in that case it's the exhaust then. Weird thing is, the gasket isn't blown out and there doesn't appear to be any of that junk on the front of the engine itself, or at least alot. I can't believe I've blown another gasket though. grrrr
2 WHEELS: '11 Huffy Good Vibrations, '11 Skyhawk GT5, 44t, CNSV2, NGK BPR7HIX, Bosch wire, shutupexhaust, 26x1.75kevlar tires, Tektro C230's, new stupid Bell chain
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