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Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles

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  #1  
Old 10-18-2008, 04:34 PM
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NickDK NickDK is offline
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Default I need a response right away PLEASE!

I need to know what size threads the muffler and intake bolts are for the chinese two-strokes. It is also the same size as the engine mounting bolts. I think it is 6 mm x 1.00 pitch and I know I've seen this info somewhere on this site but can't find it now. Hardware store closes in 30 mins...Does anyone know????
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Old 10-18-2008, 04:48 PM
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Default Re: I need a response right away PLEASE!

some are 6m like you stated but some are 8m
I just took one stud in to have them match it
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Old 10-18-2008, 04:51 PM
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Default Re: I need a response right away PLEASE!

Intake and Muffler screws are M6 1.0 I believe. If you want to be certain take a screw out of the clutch plate cover on the right side and take it with you. It is the same size. All screws in these engines are Metric.
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Old 10-19-2008, 08:48 AM
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Default Re: I need a response right away PLEASE!

Thanks for the help guys, I couldn't take a screw with me because someone was picking the bolts up for me on the way over. Thanks again.
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