NCY Adjustable Secondary Clutch Pulley - Jog / Zuma 50
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The NCY Adjustable Secondary Sliding Sheave Clutch Pulley Assembly gives your Yamaha Zuma 50 or Jog a quicker takeoff and a higher top speed. With two sets of ramp angles — one steeper, one more gradual — you can tune engagement to suit your riding style: steeper for more power off the line, gradual for more power at speed.
Key Features:
- Two interchangeable ramp angles for tunable clutch engagement
- Steeper ramp = faster takeoff; gradual ramp = higher top speed
- Direct fit for Yamaha Zuma 50 and Jog — no modification needed
- Includes stainless steel clutch nut, slider pins, and pre-installed O-rings
- ISO 9001 certified — made in Taiwan since 1997
Specifications:
- Rear Pulley Plate: OD 115mm | Shaft ID 11.95–21.45mm | OD 32.92mm | H 63.1mm
- Secondary Slider Plate: OD 115mm | Funnel ID 33mm | OD 41.95mm | H 38mm
- Secondary Spring Seat/Funnel: ID 42mm | OD 43.53–55mm | H 29.35mm
- Secondary Slider Pins: L 9.3–10.86mm | ID 5mm | OD 6mm
- Clutch Nut: Stainless Steel M28
- Includes: 2 rubber O-rings (pre-installed)
- SKU: 1200-1250 | Made in Taiwan
Compatibility:
| Make | Model | Years |
|---|---|---|
| Yamaha | Zuma 50 | All Years |
| Yamaha | Jog | All Years |
Performance upgrades are considered racing parts and are not covered by warranty.
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.