Tag Archives: 2021

Sliding Roller Advantage – What is its motion

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Sliding Roller Advantage Question: Round Roller have many flat spots   Dr.Pulley SR is much better than conventional round roller, WHY ? you will see there are many flat spots on the rollers. What are the motion of Roller weight in the variator New Round Roller’s Movement   Normally, people thought the movement of round roller in […]

Why is Sliding roller more durable?

Why is Sliding roller more durable - Cover image

Why is Sliding Roller more durable? The structure of Variator Kit Roller weight cause the variator moved   First, It is known that the moveable pulley-half will be pushed outward by the centrifugal force of weight roller when the engine rotates to a certain speed. According to equation: P=F/A   According to equation P=F/A (P:compression pressure ; […]

how to solve the loosen belt- Kymco 125 cc – Hi 5

how to solve the loosen belt - cover

How to solve the loosen belt Showing the Hi-5 variator installed in the Kymco 125cc scooter. When the V-belt isn’t driven   You’ll see the clutch bell is unable to be driven by the V-belt  when the throttle is actuated, the reason is the V-belt is not in the right position after the installation. Push V-belt […]