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 Zuma 125cc

Variator

"Maxi Speed Control" is the
Polini variator with specific characteristics
for the Yamaha 125 scooter.

The sporting character of the new Polini "Maxi Speed" is the synthesis of an advanced project designed and developed
to guarantee satisfaction in owners of Yamaha 125 scooters. It is really a jewel of modern technology able to express many driving characteristics on all kind of roads.
"Maxi Speed control" ensures a concrete increase in acceleration, improves overall performance, and gives important acceleration in starts, in overtaking and
climbing.

 

 
It optimises engine performance at
every rpm and distinguishes itself for the innovative lubricating system. The sliding of the variator improves functionality and insures
longer life. The external surface ensures maximum friction to the transmission's belt so that traction is always constant. The semipulley is die-cast in aluminium and of a high silicon concentration. The bigger amplitude of the roller allows better acceleration when starting and higher maximum speed thanks to the better power
output. The transmission's belt adherence is bigger because the external surface has not been treated. The casehardened and tempered steel pin is chromed, its external surface is ground and lapped; any friction with the speed
control is therefore minimized. The rollers are made of a thermoplastic resin, which guarantees long use with minimal wear.
Rollers are available in a series of
various weights (starting from the original) for a better personalisation of the variator.
These rollers have different colours to distinguish the weights even after long use.

 Polini Variator Fan

better cooling

 

 

Page 1  Exhaust Systems
Page 2  Belts - Springs - Rollers
Page 3  Two Bros Racing "Juice Box"
Page 4  Variator
Page 5  Clutch - Final Drive
Page 6  Big Bore Kit
Page 7  Brakes
Page 8  Tires
Page 9   Front Suspension
Page 10  Rear Suspension
Page 11   Dual Head Light Modification Kit
Page 12  SEAT - Lock - Safety Vest
Page 13   Rear Rack - Travel Trunk - Saddlebags
Page 14  
Page 15   Bling for the 125!
Page 16  Tech Tips 
Page 17   Engine Work

Down Load Zuma CatalogThis is a .PDF file, give it a little time to download!

 

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