I’m in the process of compiling a list of routes we do around the Philly area with good roads to ride. Periodically check back in.
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Published - Dec 2, 2022
XR650L Mikuni TM40 pumper carb setup
What the F is a pumper carb? Basically when you twist the throttle, regardless of if the bike is on or off, the carb literally shoots a stream of fuel down into the engine. This shot of fuel reduces velocity-lag response (or something like that) so throttle response seems instant. A pumper carb wont necessarily […]