Primary Gearing Taller gears in the transmission reduce the overall reduction factor of the gearbox. If the engine is powerful enough to pull the taller gears, this modification will also raise top speed. Only use with tuning kits! Original cylinders are normally not powerful enough to pull this sort of gearing.

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Nom: POLINI PRIMARY RATIO GEAR KIT YAM/PGO 13-44 =3.38  Prix: 114.95  Sku: 202.1370  msrp: 0.00 
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Secondary gear drive Taller gears in the transmission reduce the overall reduction factor of the gearbox. If the engine is powerful enough to pull the taller gears, this modification will also raise top speed. Only use with tuning kits! Original cylinders are normally not powerful enough to pull this sort of gearing.

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Nom: POLINI GEARS SECONDAIRE YAMV/PGOBT/CPI 15-42 =2.80  Prix: 119.95  Sku: 202.1346  msrp: 0.00 
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Secondary gear drive Taller gears in the transmission reduce the overall reduction factor of the gearbox. If the engine is powerful enough to pull the taller gears, this modification will also raise top speed. Only use with tuning kits! Original cylinders are normally not powerful enough to pull this sort of gearing

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Nom: POLINI SPECIAL GEARS SECONDAIRE ZUMA 14-41=2.93  Prix: 107.95  Sku: 202.1321  msrp: 0.00 
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Engrenages H.t.q. pour Scooter et Maxi Scooter  14/42 ratio 3.0Malossi S.p.A. a le plaisir de mettre à la disposition de sa clientèle une nouvelle série d engrenages de transmission finaux pour scooters et maxi scooter.Ces nouveaux engrenages sont le fruit des 20 ans d expérience de Malossi dans létude et la réalisation d engrenages pour scooters de compétition et de route.Les nouveaux engrenages H. t. q. ont été étudiés et réalisés avec des dent...

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Nom: MALOSSI_GEAR_PRIM_14-42_MINA V_SPORT (3.0)  Prix: 129.95  Sku: 67 7580  msrp: 0.00 
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Avec une transmission plus longue on augmente les performances en pointe du scooter. A utiliser seulement en collaboration avec un cylindre tuning. Les cylindres d’origine n’ayant la plupart du temps pas assez de puissance **ULTRA SILENCIEUX**

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Nom: TOP PERFO GEAR PRIM 15-50 20% BWSr & SPORT (3.33)  Prix: 139.95  Sku: 9913300  msrp: 0.00 
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Stage6 Primary Gearing Sekundär 14/42 (1:3,00), Original Zwischenwelle = 14 Zähne Taller gears in the transmission reduce the overall reduction factor of the gearbox. If the engine is powerful enough to pull the taller gears, this modification will also raise top speed. Only use with tuning kits! Original cylinders are normally not powerful enough to pull this sort of gearing. Contrary to common gear units, the ones from Stage6 come ready pressed...

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Nom: STAGE6 PRIMARY GEARING 14/42 (1:3,00)  Prix: 105.00  Sku: S6-2016613P  msrp: 0.00 
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