As some of you may have seen I Have an exhaust on my Cometa made by Mick Abbey (also have one in the for sale section) Mick has indicated that he might be able to reproduce a exhaust to work with a standard 75cc machine. He needs some info before he could start such a project. I.e port timings, and width, compression ratio ignition timing etc. Does anyone have these or where I might find them. Or a original condition barrel he could get measurements from?
- Posts : 771
Join date : 2010-06-26
Age : 57
Location : No 20 on Moonage Daydream Harrogate n.yorks
I think ive got a barrel, jem will know all of the port timings.
- Posts : 866
Join date : 2010-06-27
Age : 50
Location : york
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