150cc Two-stroke drag racing - Motorcycle Thailand

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By: Anonymous: jop () Friday, 25 January 2013 @ 01:53 PM ICT (Read 3297 times)

I would like advice from everybody on how to get more out of my 150cc two-stroke, I'm going to start doing drag racing on it and wanted to see if I could get it to do more than 145 kph. I guess changing the exhaust (it's still standard) will be my best bet?

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Re: Re: 150cc Two-stroke drag racing

By: news (offline) Friday, 25 January 2013 @ 03:11 PM ICT

Yes, the standard exhaust must go..You'll need to re-jet the carburetor so it fuels properly, but a new exhaust system will definitely increase power as the original has very likely a limiter in it. For some two-stroke motorcycles you can get thinner cylinder-head gaskets, which will increase the compression ratio of the engine and help to get better performance.