NCY Secondary Sliding Sheave Assembly (Aprilia, JOG, Zuma 50)

Description: NCY Secondary Sliding Sheave Assembly for 40QMB 2-stroke engines. This NCY adjustable secondary sliding sheave has two sets of ramp angles, one steeper than the other. These allow you to adjust how quickly the pulley engages. A quicker engagement means more power off the line, and a more gradual engagement gives you more power at speed.

NOTE: Recommend using a new belt with this kit. The belt and the belt drive-facing plates KEEP DRY. All, other areas apply moly-graphite grease when assembling. For example, lubricate slider grooves, slider pins, ball bearing seat, and inner funnel area with heat-resistant moly-graphite grease.

Installation: 1. Slack the belt by opening the CVT clutch giving belt slack to the variator side. 2. Then install the variator drive face while lifting the slack belt further away from the center boss if done properly should not see any splines between variator drive face slop-side and boss flat-side. Should be flushed together. 3. Then install the existing variator fan, washer, and hand-tight nut. 4. Finally, apply blue Loctite, torque nut to 30-35ft-lbs. For reassurance please consult your manufacturer's variator torque specs.

Specifications: 

Includes the following Secondary slider (torque driver), Sliding sheave, Spring seat, O-rings, and Clutch nut.

•    1x Rear Pulley Plate OD: 115mm / Shaft ID: 11.95<21.45mm / OD: 32.92mm / H: 63.1mm
•    1x Secondary Slider Plate OD: 115mm / Funnel ID: 33mm / OD: 41.95mm / H: 38mm
•    1x Secondary Spring Seat/Funnel ID: 42mm / OD: 43.53<55mm / H: 29.35mm
•    2x Secondary Slider Pins L: 9.3<10.86mm / ID: 5mm / OD: 6mm
•    1x Stainless Steel Clutch Nut: M28
•    2x Rubber O-rings (pre-installed)
•    Made in Taiwan
•    Fit Clutch: 107mm / Bearing Funnel: 42mm / Nut: M28 / Socket: 39mm / Bell Spline: 16
•    Fit Belt Size: 818-19-28 (Fit Aprilia ONLY)
•    Fit Belt Size: 788-17-30 (Fit JOG ONLY)
•    Fit Belt Size: 748-18-28 (Fit Zuma ONLY)
•    Fit Compression Spring: 1k, 1.5k, 2k rpm
•    Fit Clutch Springs: 1k, 1.5k, 2k rpm
•    Fit Aprilia 50
•    Fit JOG 50
•    Fit Zuma 50

Supported Models: Yamaha C3, Yamaha Zuma CW50, Yamaha Zuma 50F, Yamaha Vino Minarelli Jog engines, Chinese Yamaha Clones 1PE40QMB 1E40QMB engines, Malaguti, CPI, Aprilia Scooters with Piaggio engines, and Franco-Morini 50cc engines found in the 1E41QMB Suzuki AD50 AG50, TGB R50X, TGB 101, TGB 303, and Peirspeed Scooters.

-----
Item Weight & Product Dimensions:
•    1.512 pounds | 4.531” (OD) x 0.468” (ID) x 2.59” (H)