CVT Rear Pulley Naraku 110mm Keeway / Sym / Kymco GY6 139QMB/QMA

Pre-assembled rear pulley kit from Naraku. This set consists of rear pulley halves, torque spring, and 112 mm clutch. Quick and easy to install — no need to disassemble the variator unit. Many snapped drive belts can be traced back to worn-out torque converters. Wear in this area often goes unnoticed until vibrations and uneven pulley movement put excessive stress on the belt, causing premature failure.

• Brand: Naraku
• SKU: NK900.41
• Availability: In stock

rear pulleyThe torque drive, also called secondary or driven pulley, is an integral part of the automatic transmission on scooters. It is the counterpart to the variator or front pulley and forms the rear drive unit. The rear pulley is located at the rear of the CVT housing and forms a unit with the clutch. As with the front pulley, there are also tuning versions of the rear pulley.Working of a CVT transmissionThe front and rear pulley (variator and torque driver) work together and are interdependent. At idle, the V-belt rides on its highest position on the rear pulley and on its lowest position on the front pulley. When you accelerate and engine speed increases, the drive pulley in front tu