Here is the DOPPLER SX86 variator for 50cc scooter APRILIA SCARABEO, BETA ARK, MBK NITRO ...

The SX86 variator by the size of its rollers increased to 19X15.5 offers a very high stability of the variation.

The slope of the cheeks has been designed to optimize performance.

Two assemblies are possible: with or without starter. Mounting without a starter makes it possible to fully exploit the range of use of the drive.

Delivered with :

- 6 pebbles 19X15.5 in 4.3g

- 6 pebbles 19X15.5 in 4.7g

- 6 pebbles 19X15.5 in 5.3g

- 1 thrust spring: Yellow

Mounts on:

APRILIA AMICO 50 (50cc)

APRILIA AREA 51 (50cc)

APRILIA GULLIVER AC (50cc)

APRILIA GULLIVER LC (50cc)

APRILIA RALLY AC (50cc)

APRILIA RALLY LC (50cc)

APRILIA SCARABEO 50 2T (50cc)

APRILIA SONIC 50 AC (50cc)

APRILIA SONIC 50LC (50cc)

APRILIA SR 50 HORIZONTAL AC (50 cc)

APRILIA SR 50 HORIZONTAL LC (50 cc)

APRILIA SR 50 VERTICAL AIR (50 cc)

APRILIA SR RACING 50 LC MOT. MINARELLI (50 cc)

ATALA CAROSELO (50 cc)

BENELLI 491 (50cc)

BENELLI 491 RR (50cc)

BENELLI 491 SPORT RACING LC (50cc)

BENELLI 491 ST (50cc)

BENELLI K2 AC (50cc)

BENELLI K2 LC (50cc)

BENELLI NAKED MINARELLI (50 cc)

BENELLI PEPE 2T (50cc)

BENELLI PEPE LX (50cc)

BETA ARK 50 AC (50cc)

BETA ARK 50 LC (50cc)

BETA CHRONO (50cc)

BETA CHRONO 502 AC (50cc)

BETA EIKON (50cc)

BETA QUADRA (50cc)

BETA TEMPO (50cc)

CAGIVA CITY (50 cc)

CPI GTR LC (50cc)

CPI HUSSAR (50 cc) until 2002

CPI OLIVER (50 cc) until 2002

CPI POPCORN (50 cc) until 2002

ITALJET ASCOT (50cc)

ITALJET BA 50 BAZOOKA 1 (50cc)

ITALJET PISTA (50cc)

ITALJET YANKEE / SCOOP (50cc)

MALAGUTI CENTRO SL (50 cc)

MALAGUTI CIAK (50 cc)

MALAGUTI CROSSER 50 LC (50 cc)

MALAGUTI F10 50AC (50cc)

MALAGUTI F12 PHANTOM AC (50cc)

MALAGUTI F12 PHANTOM LC (50cc)

MALAGUTI F15 50AC (50cc)

MALAGUTI F15 FIREFOX AC (50cc)

MALAGUTI F15 FIREFOX LC (50cc)

MALAGUTI YESTERDAY (50 cc)

MBK BOOSTER (50cc) from 2004 to 2019

MBK BOOSTER ONE (50cc) from 2013 to 2017

MBK CR 50 Z TARGET (50cc)

MBK EQUALIS (50cc)

MBK EVOLIS (50cc)

MBK FIZZ (50cc)

MBK FLIPPER (50cc)

MBK FORTE (50cc)

MBK HOT CHAMP (50cc)

MBK MACH-G AC (50cc)

MBK MACH-G LC (50cc)

MBK NITRO (50cc) from 2002 to 2012

MBK NITRO (50cc)

MBK OVETTO 2T (50 cc) from 2008 to 2018

MBK OVETTO 2T (50cc)

MBK ROCKET (50cc) from 2004 to 2009

MBK STUNT (50cc)

MBK STUNT NAKED (50cc) from 2005 to 2012

RIEJU FIRST 50 AC (50 cc)

RIEJU FIRST 50LC (50cc)

RIEJU WINDY AC (50cc)

RIEJU WINDY LC (50 cc)

YAMAHA AEROX (50cc) from 2002 to 2012

YAMAHA AEROX (50cc)

YAMAHA AXIS (50cc)

YAMAHA BW'S (50cc) from 2004 to 2019

YAMAHA BW'S EASY (50cc) from 2013 to 2017

YAMAHA BW'S NAKED (50cc)

YAMAHA BW'S NEXT GENERATION (50cc)

YAMAHA BW'S ORIGINAL (50cc)

YAMAHA BW'S SPY (50cc)

YAMAHA CRZ (50cc)

YAMAHA CT (50cc)

YAMAHA JOG AC (50cc)

YAMAHA JOG LC (50cc)

YAMAHA NEO'S 2T (50 cc) from 2008 to 2018

YAMAHA NEO'S 2T (50cc)

YAMAHA NEXT (50cc) from 2004 to 2009

YAMAHA SLIDER (50cc)

YAMAHA SLIDER NAKED (50cc) from 2005 to 2012

YAMAHA VINO 2T (50cc)

YAMAHA WHY (50cc)

YAMAHA ZEST (50cc)

X3 guide pins corrector POLINI SPEED DRIVE scooter PIAGGIO / MINARELLI