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Old 12-04-2013, 06:17 AM
wildbob wildbob is offline
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Join Date: Aug 2013
Location: Newburyport, MA
Posts: 571
Question combustion chamber size

I'm curious, if you go with a bigger bore, do you need a larger combustion chamber. In looking at the specs for my 4v head, it says it has a 55mm combustion chamber. My BBK is a 58.5.. I'm a noob, so is this a issue?
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2013 Trailmaster XRX 150 Type 86 stroker
Taida 4V head with 23/22mm valves, forged 4V piston,Taida 62mm jug,forged Taida 8200 KDU stroker crank, Koso high-flow oil pump, Taida case half w/ oil cooler ports, Setrab oil cooler,TrailTec Vapor, Mikuni VM26-606, aluminum 30mm intake, Uni filter, aluminum stack, Hammerhead racing exhaust, MotoRio adjustable CDI/HO Coil, Iridium plug, Full Dr Pulley CVT kit w/ 16g sliders, JD's Mikuni slide kit

2014 Kandi 90B
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