Whizzer Carb jetting

Hi Kep1a,

Here is my information at sea level on a stock motor with the restrictor intact, camshaft advance one tooth, re-worked Whizzer mushroom lifters, aluminum intake manifold, #82 main jet, and the needle dropped one notch.

Motor with milled head [.065"], reworked combustion chamber, copper head gasket, hi flow muffler insert, aluminum intake manifold, EZ Motorbike mushroom lifters, intake lifter set at .006", and the exhaust lifter .008", valve seats re-cut, valves lapped in and liquid tested......#85 main jet with needle in the center.

Motor with Westman head, hi flow muffler insert, Westman copper head gasket, valve seats re-cut, valves lapped in and liquid tested, EZ Motorbike mushroom lifters, P.C. Hi lift camshaft [.202 lift], .009" intake & exhaust lifter settings.........#80 main jet and needle down one notch.

Motor with EZ Motorbike Hi fin head, 26 MM carburetor, decked cylinder, re-cut valve seats, no muffler insert, Hi lift camshaft, .005" intake lifter clearance, .007" exhaust lifter clearance, custom copper head gasket [.010"], camshaft advanced one tooth, K & N air cleaner, Irid. spark plug......
130 main jet, needle up one notch.

Motor with CRYS. head, re-worked mushroom lifters, hi flow muffler insert, decked cylinder, custom copper head gasket, 8 MM headbolts replacing the 10 MM bolts, re-cut valve seats, intake lifter set at .006", exhaust lifter clearance .008", stock NE camshaft [early]advanced one tooth, lapped valves & liquid tested, 102 main jet, needle down one notch.

Have fun,
 
Last edited:
Back
Top