NCY Drive Face CNC-Machined +Star Him (139QMB)
Description: NCY Drive Face CNC-Machined aluminum plus kickstart star him for 139QMB 49cc-50cc scooter engines. This set allows you to mount the original variator fan overlay and use NCY kickstart star him. The CNC-machined running surface of the disc allows for a clean, low-vibration belt operation.
NOTE: Must use existing variator fan overlay, washers, and nuts - not included. If required, please order separately. Recommend using a new belt with this kit and graphite or moly grease when assembling.
Installation: Make sure variator drive face is seated properly and not get its teeth chewed by the bendix or variator shaft splines: 1. Slack the belt by opening the CVT clutch gives 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 and boss. Should be flushed together. 3. Then install existing variator fan, kick start gear, washer, and hand-tight nut. 4. Finally, torque nut to 30-35ft lbs. For reassurance please consult your manufacturer variator torque specs.
Includes the following Drive face, and Kickstart star him.
• Aluminum CNC Machined Anodized Drive Face
• I.D: 13.5mm (Splines 26) / O.D: 112.3mm (Teeth 63) / H: 4.2<13.5mm
• Stainless Steel Kickstart Him
• I.D: 13.5mm (Splines 26) / O.D: 34.32mm / H: 4<7.3mm
• Fit Belt Size: 669, 729, 788
• Fit QMB 49/50cc+
Supported Models: NCY CVT Kit (Part# 1200-1171); GY6 139QMB 49cc-50cc engines, Buddy50, Filly 50, Kymco, QLink, SYM, TaoTao, and virtually any scooter engine with these measurements.
Item Weight & Product Dimensions:
• 0.281 pounds | 4.428” (OD) x 0.528” (ID) x 0.519” (H)