First Generation Ascots > The Thumper Years: Stock To Lightly Modified

Stock carb tuning help needed

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triguyracer:
Forgot to mention did you check the fuel petcock its a vac type and they do fail a regular type petcock can be bought on ebay cheap and you will know if the gas is really on and flowing freely.Got rid of my stock vac type petcock right away when I got my bike 

WTF304:
I did not do away with it .... one of the other members had posted about swapping around the diaphragm in it so it worked like a regular one, which i did also a long time ago. I did go back to my 160 main ... definitely better but another factor i did not think of is possibly mechanical. Could be compression which i doubt or just normal wear and tear.

triguyracer:
Check your valves if you think it is mechanical , tight ones cause low compressian

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