Dr. Pulley HiT Clutch 161301 with Bell for Scooters with 50cc/90cc/100cc Honda, Piaggio, PGO, Kymco or SYM engines with 107mm clutch bell diameter as well as scooters with 50cc, 4-stroke QMB139 engines. Also fits ATVs with 107mm clutch bell diameter such as the PGO XL Rider 50cc/90cc/110cc and Kymco Mongoose 50cc/70cc/90cc.
The Dr. Pulley HiT Clutch with 50 degree pillow springs is for use on scooters with a modified cylinder requiring the clutch to engage at a higher RPM. Results from using this clutch include decreased slippage and improved transmission efficiency.
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