VINTAGE RACE BIKE CHAMBERS

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VINTAGE RACE BIKE CHAMBERS

Post by Bikingbagga on Mon Jul 13, 2015 3:19 pm

Hi,

I have two race bikes

One is a Yamaha Tr3 from 1972 (350 cc twin) originally came as a port motor (very tight power band less than 1500 rpm). I have now converted the top end to a ported RD350 reed design that gives me a much more user friendly power band. Note! Expansion chambers are by Swabrick in the UK.

Second bike is a bike I created for the GP200 class AHRMA its a real mongrel. Highly ported Yamaha CTC1 (175cc single) port motor in a Honda CB175 frame with a late model KX85 CDI Ignition. Expansion chamber is if off a 70's TZ750 Yamaha which was 4 cylinder.

I want to modify the existing expansion chambers to match the existing motors. So with the help of the program & the forum Hopefully I can get that done

Thanks

Rob

Bikingbagga

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