COUNTER SPRING, POLINI

Polini contrast springs for variator
Code: 243.075
Polini has created contrast springs for the rear mobile half-pulley to adapt them to the additional load due to elaborate engines that deliver more power and torque. Polini contrast springs prevent belt slippage and consequent premature wear by applying a variable additional load of 10% for Maxiscooters and 7% (White spring) or 15% (Blue spring) for 50 scooters. in any case, mount this type of springs only if strictly necessary, the best performance will in fact always be obtained using the spring which, with less load, allows optimal power transmission. This kit consists of 2 springs
Features:
% increase: +15%
Spring load mm/Kg: 45/37
Number of turns: 5
Filament diameter: 4,1
Unloaded spring length: 115
Internal diameter: 53


APPLICATIONS OF THIS PRODUCT:
According to the data provided by the manufacturer, this article is compatible with the following brands, models and years:
Y.A.M.A.H.A. BWS 125 4T i
Y.A.M.A.H.A. CYGNUS X 125 4T CARBURATORE
Y.A.M.A.H.A. CYGNUS X 125i 4t
Y.A.M.A.H.A. MAJESTY 125 Carburatore
Y.A.M.A.H.A. MAJESTY 150 Carburatore
Y.A.M.A.H.A. MAXSTER 125 Carburatore
Y.A.M.A.H.A. MAXSTER 150 Carburatore
Y.A.M.A.H.A. TEO S 125 Carburatore
Y.A.M.A.H.A. TEO S 150 Carburatore
Y.A.M.A.H.A. VITY 125
Y.A.M.A.H.A. ZUMA 125i 4T
MBK CITYLINER 125 E3 Carburatore
MBK DOODO 125 Carburatore
MBK DOODO 150 Carburatore
MBK FLAME 125 X
MBK SKYLINER 125 Carburatore
MBK SKYLINER 150 Carburatore
MBK THUNDER 125 Carburatore
MBK THUNDER 150 Carburatore
MBK WAAP 125
MBK X-OVER 125
MALAGUTI F 12 125 PHANTOM
MALAGUTI MADISON 125
MALAGUTI MADISON 150
R.E.N.A.U.L.T. KOURANOS 125 Carburatore
ITALJET MILLENIUM 125 Carburatore
ITALJET MILLENIUM 150 Carburatore
BENELLI VELVET 125 (Y.A.M.A.H.A. Carburatore 99 hencefor