NCY Gear Set (15*37); GY6 150cc stators 1× O-ring (31mm ID)

1× O-ring (31mm ID)

--Maintenance and servicing --Tune-up procedures --Engine

Standard front fitment for many modern Vespa models with 11-inch rims:

and in order to get this cylinder kit to perform properly

this unit provides the precise fuel-to-air ratio needed for smooth acceleration and consistent power

NCY Gear Set (15*37); GY6 150cc stators 1× O-ring (31mm ID)Get more speed and a more usable rev range out of your GY6 big bore kit with this 15*37 upgear set from NCY. This kit is a 20% upgear ratio from the stock 13*40 gear set. Specifications: Front Counter Shaft Teeth: 15 Front Counter Shaft Dimensions: Spline L: 24mm, OD: 31. 1mm, Overall L: 60mm Gear Press On Area L: 12. 08mm x OD: 19. 08mm, Ends L: 9<10. 5mm x OD: 15mm Rear Final Drive Gear Teeth: 37 Inner Spline: 19, OD: 71. 2mm, ID: 18mm, W: 20mm