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View Full Version : 300ex jetting



Treehunter
07-25-2005, 07:38 AM
building new motor what jet to start with
stock carb, 76mm bore 11 to 1 comp, webcams stage 1 cam, white bros header to stock exhaust. uni filter with opened up lid.
1200 foot alt.
I was thinking a 132

07-25-2005, 07:54 AM
yeah 132 is good, maybe a little richer, like 135 or whatever the next size is