Naraku GY6 58.5mm Big Bore Kit - Forged Piston magneto for 125cc and 150cc GY6-based

for 125cc and 150cc GY6-based 4-stroke engines

Brand Model Notes Honda Ruckus 50 (NPS50) 2003–Present Standard factory height swap Honda Zoomer 50 (international) Direct fit Vespa / Piaggio ET2 50

Available Individually or in Sets of 10

Kymco (68ccm Malossi Gußzylinder) 12mm piston pin

Rotor Diameter: 180mm

Naraku GY6 58.5mm Big Bore Kit - Forged Piston magneto for 125cc and 150cc GY6-basedNaraku 58. 5mm Forged Piston Big Bore Kit for 150cc and 125cc GY6 4 stroke engines and engine based vehicles. Easy to install! Just bolt on with no crankcase modifications needed. Bore: 58. 5mm Outer Sleeve Diameter: 60. 3mm Displacement Increase to 155cc Overall Height (cylinder): 91. 5mm Stud Spacing: 76. 5mm GY6 QMI QMJ 152 157, Various unlisted makes models This product is not intended for use on public roads or land.