Temp gauge
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@SpookDog that's interesting. So what you're saying then is though my bike is 240 main jet as standard, if I bought an older carb which had 210 in it I would have to keep the 210 in it? I honestly thought as you did, that the change of jetting was down to porting, exhaust restriction or even different ypvs timing and certainly not different carb internals.
