TFC (Taiwan Factory Champion) forged aluminum CVT clutch pulley sheave assembly for GY6 150cc to 232cc engines. Replaces heavy stock pulleys with CNC-machined forged aluminum to reduce rotational mass, improve heat dissipation, and sharpen throttle response. Features adjustable dual-slot tuning (linear vs. curved) for race launch or smooth top-speed transition. Gold anodized finish. Made in Taiwan.
Features
- Forged aluminum construction — reduces rotational mass for faster throttle response
- Adjustable dual-slot tuning: Linear (race launch) or Curved (smooth top-speed transition)
- Superior heat dissipation — protects drive belt from glazing and premature failure
- Gold anodized finish for corrosion resistance
- Includes M28 stainless steel clutch nut, 3 steel slider pins/guides, and pre-installed O-rings
- Made in Taiwan by TFC (Taiwan Factory Champion)
Specifications
| Material |
Forged aluminum, gold anodized |
| Rear Pulley Plate OD |
141.84mm |
| Rear Pulley Shaft ID |
28mm |
| Secondary Slider Plate OD |
141.84mm |
| Secondary Slider Funnel ID |
34mm |
| Metal Spring Seat ID / OD / H |
43.3mm / 45mm / 37.20mm |
| Includes |
M28 stainless clutch nut, 3 slider pins/guides, O-rings |
| SKU |
1200-1239 |
| Brand |
TFC (Taiwan Factory Champion) |
| Origin |
Made in Taiwan |
Fitment: Direct fit for 152QMI and 157QMJ-based GY6 engines with a 28mm shaft.
| GY6 150cc / 170cc |
Wolf, Icebear, TaoTao, ZNEN, Bintelli, Kymco, and other 157QMJ-based scooters |
| GY6 232cc |
Custom B-block oil-cooled performance builds |
| Universal |
Any QMI, QMJ, or QMK engine using a 28mm shaft |
Tuning tip: Use the Linear slots for hard acceleration and immediate take-off, or the Curved slots for a more consistent cruising RPM. Use a clutch holding tool when torquing the included M28 stainless nut to prevent CVT damage.
Off-road use only. Not intended for use on public roads or land.
Model Fitment
GY6 150cc/170cc (157QMJ-based): Wolf, Icebear, TaoTao, ZNEN, Bintelli, Kymco, and other QMJ/QMK/QMI scooters with 28mm shaft. GY6 232cc: custom B-block oil-cooled performance builds. Universal fit for any 152QMI or 157QMJ engine with 28mm shaft.
