NCY adjustable secondary sliding sheave clutch pulley assembly for Yamaha Zuma 50 & Jog. Dual ramp angles for faster takeoff or higher top speed. Made in Taiwan. NCY adjustable secondary sliding sheave clutch pulley assembly for Yamaha Zuma 50 & Jog. Dual ramp angles for faster takeoff or higher top speed. Made in Taiwan.
NCY adjustable secondary clutch pulley assembly for Yamaha Zuma 50 and Jog - front view NCY adjustable secondary clutch pulley assembly for Yamaha Zuma 50 and Jog - front view
NCY Secondary Sliding Sheave Assembly; Zuma 50, Jog NCY Secondary Sliding Sheave Assembly; Zuma 50, Jog
NCY adjustable secondary sliding sheave clutch pulley assembly for Yamaha Zuma 50 & Jog. Dual ramp angles for faster takeoff or higher top speed. Made in Taiwan.
NCY adjustable secondary clutch pulley assembly for Yamaha Zuma 50 and Jog - front view
NCY Secondary Sliding Sheave Assembly; Zuma 50, Jog

NCY

NCY Adjustable Secondary Clutch Pulley - Jog / Zuma 50

SKU 1200-1250
$145.00
Shipping calculated at checkout.
Description

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.

California Prop 65 Warning: www.p65warnings.ca.gov
Product Diagrams
Features
  • Two interchangeable ramp angles for tunable clutch engagement
  • Steeper ramp for faster takeoff; gradual ramp for higher top speed
  • Direct fit for Yamaha Zuma 50 and Jog
  • Includes stainless steel M28 clutch nut and pre-installed O-rings
  • ISO 9001 certified — made in Taiwan since 1997
Specifications

Rear Pulley Plate OD: 115mm | Slider Plate OD: 115mm | Clutch Nut: SS M28 | Slider Pins: L 9.3-10.86mm | SKU: 1200-1250 | Made in Taiwan
Model Fitments

Yamaha Zuma 50 (All Years), Yamaha Jog (All Years)
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  • 30-day return period on eligible items
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