ok ive got a carb that had a stock jet of 132 , and i put the 130 dino in and runs fine but curios if i put the 134 jet in would it increase my performance?

 

Stock Jets are Keihin. If you put a 134 Dyno Jet you are actually putting in a jet equivilent to a 138 Keihin. Jetting & performance is based on the correct fuel/air ratio If you put in the 134 Dynojet you would be making your machine run richer.

To know if the jet was to rich or lean You would have to do a high speed throttle check color of your plug. If after plug check your plug was a ligh tan/brown color and your bike did not backfire on decel and pulled strong/smooth on top end yes your performance has increased and jet was what the doctor ordered. On the other hand, if it fouled your plug, Plug black after throttle chop your bike was too rich, stumbled going to wide opeen throttle, the jet is too large for your present setup.

Visit:
http://cochise.uia.net/pkelley2/sparkplugreading.html

For plug reading and http://www.smellofdeath.com/lloydy/jetting.htm for jetting

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