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NCY Compression Spring (Performance); 139QMB

1000 RPM
$19.00
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  • Product reference photograph, view 6. Confirm the selected option in the specifications.
NCY Compression Spring (Performance); 139QMB

NCY Compression Spring (Performance); 139QMB

$19.00
Part number 1200-1053 1000 RPM

Check dimensions and compatibility before ordering.
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Description

NCY compression spring for 50cc 139QMB engines. Available in 1k, 1.5k, and 2k rpms.

Compression springs do a couple of things. First they supply the pressure to engage the belt. They also determine the rate at which the CVT transmission changes from low to high gear. A 1000rpm spring will go into a higher gear than a 2000rpm spring.

Specifications

Spring rating1000 RPM
  • Wire Diameter: 4.0mm
  • Inner Diameter: 49.0mm
  • Length: 106.0mm
  • Available in 1k, 1.5k, and 2k rpms

Model Fitment

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.

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