POLINI Evolution thrust spring + 55% for scooter MINARELLI, YAMAHA, MBK, APRILIA, ...

Here is the POLINI evolution push spring for minarelli scooter, with its diameter (Ø) of 4mm no need to look harder, it is ultra rigid! + 55% of hardness compared to the origin, it exerts a pressure of 31.5kg compressed at 45mm against 20kg for the origin! You will really need an extremely advanced configuration to have the usefulness of such a thrust spring in high revs (12,000 to 16,000rpm), with a sport variation… If your scooter gives a lot of hp in turns! It's the best of the best with an excellent variation.

Mounts on :

APRILIA: AMICO 50 - AREA 51 - GULLIVER 50 - GULLIVER 50 LC - RALLY 50 - RALLY 50 LC - SONIC 50 (CY) - SONIC 50 GP (CY) - SR 50 LC STEALTH / RACING / NETSCAPER - SR 50 mod. 1993 - SR 50 mod. 94-95-96 Air - SR 50 mod. 94-95-96 H2O - SR 50 WWW
ATALA: CAROSELLO 50
BENELLI: 491 50 GT-ST - 491 50 RR-RACING-SP-SPORT - K2 50 - K2 50 LIQUID COOLED - NAKED 50 - PEPE 50 - LX fino al 2004
BETA: ARK 50 AIR - ARK 50 LC-SERIE K - EIKON 50 - QUADRA 50 CHRONO 502 - TEMPO 50
BSV: AX 50 - JX 50 GZ
GARELLI: PONY 50 - PONY 50 RACING - SR
ITALJET: DRAGSTER 50 LC - PISTA 50 1/2-YANKEE-SCOOP 2/3 - PISTA 50 92-BAZOOKA
KTM: K 50
LEM: FLASH 50 - GHIBLI - TORNADO SS1
MALAGUTI: CIAK 50 - F 10 50 (CY) - F 12 50 DIGIT KAT EURO 2 (fase 1) - F 12 50 PHANTOM R 2007 AIR - F 15 50 H2O FIREFOX
MBK: ACTIVE 50 - BOOSTER 50 - BOOSTER 50 NEXT GENERATION - BOOSTER 50 R - BOOSTER 50 R-ROCKET - BOOSTER 50 TRACK - EQUALIS 50 - EVOLIS 50 - FIZZ 50 - FLIPPER 50 - FORTE 50 - HOT CHAMP 50 - MACH 50 G - NITRO 50 H2O - NITRO 50 H2O dal 1996-> - OVETTO 50 - SORRISO 50 96 - STUNT 50 - TARGET 50
MOTRON: STING - SYNCRO - THUNDER
PGO: BIG MAX
YAMAHA: AEROX 50 H2O - AEROX 50 H2O dal 2004-> - AXIS 50 - BELUGA 50 - BREEZE 50 - BW'S 50 NEXT GENERATION - NEO'S 50 - RICAMBI VARIATORE - SLIDER 50 - SPY 50 - WHY 50 - YE 50 ZEST (CY)