Polini Variator Roller Weight Tuning Kit 19x15.5 (Aprilia, Piaggio, Vespa 50)
Description: Polini Variator Roller Weight Tuning Kit 19x15.5mm for Aprilia, Piaggio 50, Vespa 2-stroke engines. The set consists of 4x6 cores and shells made of very wear-resistant plastic that is not affected by temperature changes. The shells are of course also available as spare parts. For better identification, the individual rollers have the weight printed on them, so mixing them up (as it can happen with other sets) becomes impossible. The set comes in a shatter-proof box.
NOTE: You must install these weights in an alternating pattern, otherwise a severe imbalance in the variator will occur. These rollers are designed for tuning purposes only and we recommend that they are not used for long-term use. Once you have determined the appropriate weight for your set up you should buy a complete roller set for permanent use.
Installation: 1. Slack the belt by opening the CVT clutch gives belt slack to the variator side. 2. Then install the variator drive face while lifting the slack belt further away from the center boss if done properly should not see any splines between variator drive face slop-side and boss flat-side. Should be flushed together. 3. Then install the existing variator fan, washer, and hand-tight nut. 4. Finally, apply blue Loctite, torque nut to 30-35ft-lbs. For reassurance please consult your manufacturer's variator torque specs.
Includes the following Roller weights and Shell set.
• 12x Wear-Resistant Plastic Shell Size: 19x15.5mm
• 24x Brass-Gold Core Weights (choose set): 4/ech. 6 core weights
• 1x Plastic Compartment Case
• Made in Italy
• Fit Variator Housing: 95mm / Slides: 3 / Boss: 21mm / Shims: 21mm
• Fit Belt Size: 748-18-28 (Fit Aprilia ONLY)
• Fit Belt Size: 788-18.1-28 (Fit Piaggio ONLY)
• Fit Belt Size: 738-18.5-28 (Fit Vespa ONLY)
• Fit Aprilia 49/50cc
• Fit Piaggio 49/50cc
• Fit Vespa 49/50cc
Supported Models: Polini Variator Set (Part# 1200-1215); Aprilia SR50 Di-Tech LC (2003-13), Aprilia SR50 R Factory Di-Tech LC (2003-13), Gilera Runner 50 Purejet (2005+), Piaggio NRG 50 Purejet LC (2005+), Vespa ET2, Various unlisted makes/models
Item Weight & Product Dimensions:
• 0.5 pounds | 9.5" (L) x 6" (W) x 0.655" (H)