Complete secondary transmission DOPPLER for scooter minarelli vertical (booster, bw's, stunt, slider, rocket ...)

Secondary transmission DOPPLER 100% complete with wheel shaft and primary pinion already mounted to the press (just to ask, no need to press). This transmission is ideal to start a new and winning in speed on large configurations, in fact, it happens very often limits the scooter (drive and torque control closed and open a background engine bottom of his regime). .. Thanks to the elongate drive, you will get more top speed at the same engine speed, in genral include an e Gaind 10 15km / h to 10 000 to 13 500 rpm for mid-long and 15 to 20km / h 10 000 13 500 rpm for long! This transmission is mounted on the engine MINARELLI VERTICAL (list below). The teeth, unlike the original is right, it's a little bit noisy but better! Less power loss!

Itself on:

APRILIA AMICO 50 2T
FANTIC BIG WHEEL 50 2T
ITALJET PISTA February 50 2T
ITALJET SCOOP 50 2T
ITALJET YANKEE 50 2T
MBK BOOSTER 50 2T euro 0-1
MBK BOOSTER 50 2T euro 2 (A137E)
MBK BOOSTER SPIRIT 50 2T euro 0-1
MBK BOOSTER NAKED 50 2T euro 2 (A137E)
MBK BOOSTER NG 50 2T euro 0-1
MBK BOOSTER NG 50 2T euro 2 (A137E)
MBK BOOSTER ROCKET 50 2T euro 0-1
MBK BOOSTER ROCKET 50 2T euro 2 (A137E)
MBK STUNT 50 2T euro 0-1
MBK STUNT 50 2T euro 2
YAMAHA BW'S 50 2T euro 0-1
YAMAHA BW'S 50 2T euro 2 (A137E)
YAMAHA BW's Original / Naked 50 2T euro 2 2010-> (A137E)
YAMAHA BW's NG 50 2T euro 0-1
YAMAHA BW's NG 50 2T euro 2 (A137E)
YAMAHA SLIDER 50 2t
YAMAHA SPY 50 2T
YAMAHA ZUMA 50 2T