KITACO Power Up Pulley Boss for Jog Jog, Sport, Excel, Champ, etc. 463-0029000

--------------------------------------------------------------------------------- Sold and shipped by Japanese sellers * Operated by Japanese sellers - Japanese sellers with trust and experience. * Direct from Japan - All items are carefully packed and shipped promptly from Japan. * Highest quality control - Inspected by Japanese standards to ensure high quality products. ---------------------------------------------------------------------------------

Compatible models: Jog: 27V/48F/1HH/1KH/1RN/2EX/2JA/2TA | Jog-Sport: All 3CP models | Excel: All models | Active: All models | Voxun: All models | Champ/Champ RS: All models Inner diameter x outer diameter x total length (boss body): φ16 x φ21 x 34.7 mm Kitaco Repair Spacer Shim (0.3mm) Part Number: 0900-463-90001 Repair spacer shim (0.5mm) Kitaco part number: 0900-463-90002 By changing the length of the pulley boss located in the center of the pulley, it is possible to move the drive belt further outwards on the pulley, thereby increasing the maximum speed. Acceleration characteristics can be adjusted precisely by changing the mounting position of the two included shims. *Kitaco Power Drive Kit and High Speed Pulley Kit for 50cc class are designed based on the standard pulley boss. They cannot be used in conjunction with the Power Up Pulley Boss.