Pay in 4 interest-free payments of $2.75 Learn more
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Belt Size: 977-23
Compatibility: Models below and bikes with 2T horizontal Minarelli engines
Genuine Urbano 200i — Front & Rear
Aprilia Atlantic 250 04-06 Rear
15x10" aluminum wheel in a clean satin black finish
Universal Parts CVT Torque Spring | 139QMB 50cc venture rack Belt Size: 977-23Restore proper CVT engagement and shift behavior on your 50cc scooter with this Universal Parts replacement torque spring for 139QMB 4 stroke engines. The torque spring sits inside the rear driven pulley (clutch side) of the CVT and controls the rate at which the belt rides up the pulley faces as engine load increases. A worn or fatigued spring causes sluggish acceleration, belt slip, and poor top speed engagement replacing it restores factory CVT
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