Racing Bee 1.5mm Stroker Pin for Yamaha 125Z

Observe the 1.5mm engraving on the stroker pin

Stroker pin provides longer stroke for your bike from the original bore at 53.8mm and stroke at 54.7mm. This 1.5mm stroker pin will raise the stroke to 56.2mm. Longer stroke are said to provides higher torque that gives better pick-up.

8 more pictures after the jump 

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