I personally don't like the 62mm bore and there's plenty of other people who have had problems with them. Do a search on Google or yahoo. The 61mm bore is the absolute max I would go if you want reliability. With the 61mm bore you will be fine with a 3.3 stroker but I would get the piston shaved down so you don't have to use a spacer for clearance of the stroke. Camshaft there's tons of options, it all depends on your terrain , weight of buggy, and weight of riders. For clutch you will get some people like stock, some people like dr. Pulley, and some people like the ebay performance ones. Stock carb is plenty for stock motor, I bet it will be efficient enough also with the big bore and stroker just rejet and tune carb. Welcome to the sight post some pics of you ride.
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Hammer head Single seater know as herbie
under construction
Aluminum fuel tank, aluminum wheels, custom fuel/cargo rack, entire rewire, trail tech vapor, ported big valve head, a12camshaft, 12 gram sliders, straight intake, kirkey wide seat, front end extension. 4 point harness, welded cage. Hammerhead exhaust.
Blade Single Seater Restore
welded cage, engine build, new wiring harness/electric box, spun aluminum fuel tank.
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