Clinician
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Joined: Sept 19, 2012 11:25:49 GMT -6
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Post by tnguyen6911 on Sept 19, 2012 11:40:22 GMT -6
I had a new 150cc engine and muffler installed about two months ago at a scooter retail shop. Recently the engine blew and started leaking oil. I took it back to the shop and the owner tells me that because of the muffler being cracked it cause the engine, i.e. pistons...etc to blow. Any mechanics out there, please help me with an professional opinion.
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Post by Alleyoop on Sept 19, 2012 12:04:08 GMT -6
If it was leaking so bad and backfireing it will burn and can cause to drop a valve and wipe out the piston. Also on a new engine it also depends on how the rider was using running the new motor. Since it was only two months you should have heard the muffler and or header pipe leaking they do make a racket. You should have taken it right back right away after all a shop installed the motor and muffler.
Alleyoop
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Scooter Doc
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Post by justbuggin on Sept 19, 2012 22:33:49 GMT -6
i am agreeing with Ally on this one
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Scooter Doc
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Post by sprocket on Sept 25, 2012 14:01:58 GMT -6
Sorry to hear about your problems...the engine is done. I don't think the shop is responsible, but maybe you can cut a deal on a new one...
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Doc's Anything Goes
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Say no to scooter abuse
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Post by jct842 on Sept 25, 2012 14:47:22 GMT -6
Time to learn how to install a new top end. Piston, rings, cyl., and new head complete with valves. If you put your city or town in you might find some one close to give you some hands on help too. Might not hurt to mention more about what they did too as in a brand new engine or did they rebuild existing engine? A lot of folks say they have a new engine where they really had the old one repaired. An engine does have to have the jets in carb matched with the muffler especially if it was a preformance one. Right now all we know is your engine is "broke". Tell us more.
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Scooter Doc
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im back and still as bad
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Post by terrilee on Sept 26, 2012 8:02:40 GMT -6
i am NOT a mech
BUT ive learned a few things
yes if u have a bad muffler,
different things could've happened.
it wasn't letting out all the burnt exhaust
and it has to go somewhere, so it went back into the engine
which will burn ur engine out.
when i first got "chrissy" i could hear her muffler was bad
so rather than burn out the engine, i got another stock muffler
id rather pay the $50 for it and not ride for a week{ till it got here}
than burn out the engine
if u decide to do a top end job urself,
theres tons of videos on youtube to help ya.
sorry u had probs
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..BAD TO THE BONE..
