Blown Gasket

I noticed when I got my engine back up and running with a better mounting system that it was really loud. When I checked it out I found out exhaust was coming out the front end part of the engine in between the 2 mounting holes on the front part of the engine. I tried to seal it up with some some high temp sealant but it's not plugging the leak properly and it's quite loud. Is there a quick fix for this like liquid gasket ? I clearly need that gasket replaced but I don't know where to get my hands on one or how complicated it will be to put in a new gasket..

I think you mean the exhaust gasket. There are several vendors that sell them and some threads here on how to make your own/

No I don't. I know what that is.



The red stuff is the sealant I was using. Under that should be a very thin gasket as that's where the 2 sides of the engine meet and those 2 allan key bolts on the side are what help keep it togther.

I guess I got everyone baffled or it's cuz it's the weekend and everyone is getting drunk or having some wild parties. lol

Check here for the gasket > Motorized Bicycles Gas Bike Engines Gas Powered Bikes Motorized Bicycle Parts Then go to Norman's Total Engine Teardown thread > bicycle engine total tear down for instructions on how to replace that gasket.
Tom

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When did you change the bolts that hold the engine together?
Did you change all of them?

Replacing the case gasket will require you to split the cases which is a big job
and I doubt if any sealant will work to patch it up
Good luck

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I did not change the bolt's I had tried to use what looked to be a better threaded bolt but it wouldnt go all the way in so I went back to the stock ones that came kit.I only drove it once as a test run and a very short distance with the one bolt almost all the way in. I may of blown the gasket then but it was loud right away not normal then suddnly loud so I don't know.

You have 2 allen head bolts in the side of the engine that hold the cases together so you must have changed them as they don't come with those
I said bolts and not studs that go in the front of the engine to mount it

I did not change the bolt's on the side of the engine. What you see is what they came with. I know there the ones that with the engine as it's the exact the same same size and length as the longest bolt on the clutch cover. I can put the bolt in either hole and it fits perfectly. Not trying to be rude but why would I lie and say I didn't when I did ?? Not every engine kit looks 100% or comes the same bolts.

Regrading the engine tear down.. I don't see anything there that would explain how to change the gasket. However I have to start removing 500 little parts to do so then I refuse to. It's not worth the time and aggravation from trying to do so. I rather by a new engine kit then spend countless hours trying to do this.

OK, who did you buy the engine from then as none of the engines come from China with allen head bolts anywhere
Is this a Chris Hill engine?
did you remove those bolts on the side of the engibne at any time?
or any of the other bolts that hold the cases together?