Dr. Pulley
Description
Upgrade your CVT performance with Dr. Pulley 25x17 Sliding Roller Weights. Unlike traditional roller weights that roll up and down the ramp of the moveable drive pulley, Dr. Pulley's patented sliding design moves linearly along the ramp — eliminating abnormal wear, preventing gear ratio deterioration, and extending transmission life. Available in 15G and 18G. Sold as a set of 8.
- Sliding (not rolling) movement eliminates abnormal wear on ramp surfaces
- Broadens your range of gear ratios for improved CVT tuning
- Increases acceleration, re-acceleration, and top-end speed
- Self-compensating design adjusts outward as wear occurs to maintain performance
- Lasts longer than standard roller weights
- U.S. Patent No. 7,276,004
Specifications
- Size: 25x17mm
- Set of 8
- Available weights: 15G, 18G
- Weight (packaged): 0.42 lbs
- SKU: 169-365
Weight Selection Guide
- Heavier weight (18G) — higher top speed
- Lighter weight (15G) — faster acceleration
Compatibility
Fits Aprilia, Piaggio, and compatible 400/500cc scooters using a 25x17mm roller, including:
| Make | Model | Years |
|---|---|---|
| Aprilia | Atlantic Sprint 400/500 | 2005–2008 |
| Aprilia | Scarabeo Light 400/500 | 2006–2008 |
| Aprilia | Scarabeo 500 | 2007+ |
| Piaggio | Beverly 400 | 2006–2007 |
| Piaggio | Beverly Tourer 400 | 2008–2009 |
| Piaggio | Beverly 500 | 2005–2008 |
| Piaggio | Beverly Cruiser 500 | 2007–2009 |
| Piaggio | MP3 400 | 2000–2008 |
| Piaggio | MP3 LT 400 | 2009 |
| Piaggio | MP3 Mic 400 | 2008–2009 |
| Piaggio | MP3 500 | — |
| Piaggio | X Evo 400 | 2007–2009 |
| Piaggio | X8 400 | 2006–2008 |
| Piaggio | X9 Evolution ABS 500 | 2006–2007 |
Product Diagrams
Features
Specifications
Size: 25x17mm | Set of 8 | Weights: 15G, 18G | Packaged weight: 0.42 lbs | SKU: 169-365 | Patent: US 7,276,004
Model Fitments
Aprilia Atlantic Sprint 400/500 (2005-2008), Scarabeo Light 400/500 (2006-2008), Scarabeo 500 (2007+); Piaggio Beverly 400 (2006-2007), Beverly Tourer 400 (2008-2009), Beverly 500 (2005-2008), Beverly Cruiser 500 (2007-2009), MP3 400 (2000-2008), MP3 LT 400 (2009), MP3 Mic 400 (2008-2009), MP3 500, X Evo 400 (2007-2009), X8 400 (2006-2008), X9 Evolution ABS 500 (2006-2007)
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Same day shipping for orders placed before 2PM (CST) M-F
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30-day return period on eligible items
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Flat-rate shipping for orders shipped to the 48 Contiguous United States.
