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.
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