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Made for flat port exhausts so if you want to install on most of the 47mm kits
This is a used engine
Polini's own carburetor
base gasket and o-ring for head
41mm kit makes it roughly 55cc in displacement
Yamaha DT50LC Evolution Stroker Crankshaft - 44.5mm leg Made for flat port exhaustsNew stroker crankshaft for your Yamaha DT50LC powered by the 17W engine. This is a nice reinforced crankshaft for high RPM applications. 44. 5mm stroke. This is not what you want if you are looking to simply rebuild your stock engine.
US$ 143.61
US$ 20.00
US$ 130.00
US$ 12.50
US$ 12.50
