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NCY Big Bore Cylinder Kit with head - 50mm - Honda Dio, Sym DD5

NCY Big Bore Cylinder Kit w/head - 50mm - Honda Dio, Sym DD5

$179.00
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NCY Big Bore Cylinder Kit with head - 50mm - Honda Dio, Sym DD5
100%

NCY Big Bore Cylinder Kit w/head - 50mm - Honda Dio, Sym DD5

$179.00
Part number 1100-1483

Check dimensions and compatibility before ordering.

Same-day dispatch on in-stock orders

Order before 2 PM Central, Monday–Friday. Holidays excluded.

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The NCY Big Bore Piston and Cylinder Kit is a perfect fit for your Honda Dio, Sym DD50 or 139QMB scooter. It gives you significantly more power and durability at a reasonable price.

Specifications: 

  • Aluminum piston: 50mm
  • 2 piston rings: 50mm
  • 1 wrist pin with G-clips: 42.2mm x 12mm
  • Cast-iron cylinder: 50mm
  • 4 studs with nuts: M6x120mm

Model Fitment

 Honda Dio Sym DD50

139QMB-based 50cc / 80cc engines with the following engine codes:

139QMA 139QMB 1P39QMB 1P39QMA-2
YN139QMB JJ1P39QMB 139FMA-2 BD1P39QMB
BN139QMB 147QMD Other QMA models Other QMB models

Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.

About NCY: NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.

Made in Taiwan.

This product is intended for off-road use only.

This product is not intended for use on public roads or land.

This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.

WARNING: California's Proposition 65

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