Polini +55% Torque Spring for Minarelli
Quick Overview
Polini +55% Torque Spring for Minarelli
Polini springs that increase pressure by 55% and is therefore ideal for lightly tuned engines.
The springs press the gear on the rear converter onto the belt. It also creates pressure to shift the variator. A lighter pressure is required once a motor has been tuned to prevent the engine from moving into a dangerously high rev range. The pressure of the springs is closely tied to the variator. If a spring is fitted, it must be matched to the variator.
Original spring weight: 45/20mm/kg.
Polini spring weight: 45/31.5mm/kg.
Spring thickness: 4mm.
Total length: 112mm.
Internal diameter: 46mm.
Number of coils: 7.
The springs press the gear on the rear converter onto the belt. It also creates pressure to shift the variator. A lighter pressure is required once a motor has been tuned to prevent the engine from moving into a dangerously high rev range. The pressure of the springs is closely tied to the variator. If a spring is fitted, it must be matched to the variator.
Original spring weight: 45/20mm/kg.
Polini spring weight: 45/31.5mm/kg.
Spring thickness: 4mm.
Total length: 112mm.
Internal diameter: 46mm.
Number of coils: 7.
Make
Model
Aprilia
Amico 50 LX HD 92-93 Amico 50 GLE 96-98 [0742/ 075/ ZD4HU/ ZD4MK]Amico 50 GL 94-95 GL/HUAmico Sport 50 92-93 HDArea 51 98-00 [ZD4MY]Gulliver 50 AC 95-98 [ZD4LH0/ ZD4LHC/ ZD4LHD]Gulliver 50 LC 96-98 [ZD4LH0/ ZD4LHA/ ZD4LHB]Rally 50 AC 95-04 [ZD4MD0/ ZD4MDD/ ZD4MDH/ ZD4TM]Rally 50 LC 96-99 [ZD4MDA/ MDB/ MDC/ MDE/ MDF/ MDG/ MDL]Scarabeo 50 2T 93-97 (Minarelli Motor) [072/ 081/ 081P1/ 092/ 094]Scarabeo 50 2T 99- (Minarelli Motor) [ZD4PF04/ PF05/ PFF0/ PFG]Scarabeo 50 2T 01-04 Di-Tech (Aprilia Injection) [ZD4SC/ ZD4TR]Sonic 50 AC 98-07 (Minarelli) ZD4PBB0Sonic 50 LC 98-08 (Minarelli Engine) (ZD4PB/ ZD4TLA)SR 50 AC 93-96 (Minarelli) (078)SR 50 AC 94-96 (Minarelli) (ZD4MR/ ZD4LF)SR 50 LC 00-04 Di-Tech (Aprilia Injection Engine) (ZD4RL0/ RLA/ RLB/ RLC/ RLE/ TP)SR 50 Fun Master LC 00-07/03 (Aprilia) ZD4RLASR 50 LC 94-96 (Minarelli) ZD4LCSR 50 LC 97-00 DD/DT (Minarelli) (ZD4MZ)SR 50 Racing LC 00-07/03 (Aprilia) ZD4RLASR 50 Sport LC 00-07/03 (Aprilia) ZD4RLASR 50 Stealth LC 97-98 (Minarelli) ZD4MRSR 50 WWW AC 00-02 (Minarelli) (ZD4LY)SR 50 WWW AC 97-00 (Minarelli) (ZD4LY)
Benelli
491 GT 50 AC (-03) (Minarelli Engine)491 RR 50 (-03) (Minarelli)491 RR Replica 50 (-03) (Minarelli Engine)491 Sport 50 (-03) (Minarelli)491 ST 50 (-03) (Minarelli)K2 50 AC (-03) (Minarelli Engine)K2 50 LC (-03) (Minarelli Engine)Naked 50 AC (-03) (Minarelli Engine)Pepe 50 (-03) (Minarelli Engine)
Italjet
Dragster 50 (Minarelli Engine)Pista 50Scoop 50Yankee 50
Longjia
Zero One 50 2T
Malaguti
Centro 50 2TCiak 50F10 Cat. 50 (99-)F10 Jet Line 50 (-99)F10 Wap 50 (04-)F12 Phantom 50 AC (-03)F12 Phantom 50 AC (04-07)F12 Phantom 50 LC (-00)F12 Phantom 50 LC (00-04)F12 Phantom 50 LC (04-)F12 Phantom 50 RF15 Firefox 50 AC (04-)F15 Firefox 50 LC (-03)F15 Firefox 50 LC (04-)Yesterday 50F12 Phantom 100 2T
MBK
Booster 50 -97 4BXBooster NG 50 (-98) 4VABooster NG 50 (99-) SA05Booster Rocket 50 96-99 4VABooster Track 50 97-99 4VABooster X 50 4TEvolis 50 93- 4FWFlipper 50 99- SA03Forte 50 95- 3UGMach G 50 AC 02- SA22Mach G 50 LC 02- SA22Nitro 50 (-98) 55BRNitro 50 99-02 55BRNitro 50 Naked 05-12 4B0Ovetto 50 2T 02-03 SA15Ovetto 50 4T 09-12 SA40Stunt 50 AC -02 SA09Stunt 50 AC 03-13 1S0/3C7Stunt 50 Naked 03-05 SA094Booster 50 12" 01-03 5SA/5YABooster 50 12" 04-10 SA231Booster 50 Naked 10 inch 04-16 2B7Booster 50 Naked 12" -12 SA231Booster 50 Naked 13" 13- 1WPBooster 50 One 13- 2DWBooster 50 Spirit 00-03 5MN/5MSBooster 50 Spirit 04-16 5WWNitro 4 50 4T 14- 1GBNitro 50 03-12 SA14Nitro 50 Naked 13- 1PLNitro R 50 2T 13- 1PHOvetto 50 2T 04-07 SA21Ovetto 50 2T 08-12 SA34Ovetto 50 2T 13- 2APOvetto 50 2T 97-01 5ADOvetto 50 4T 13- 2AC SA46Ovetto 50 One 2T 13- 2DKStunt 50 Naked 06-17 3C7
Yamaha
Aerox 50 -98 5BRAerox 50 99-02 5BRAerox 50 03-12 SA14Axis 50 3UG/5AKBreeze 50 4RCC3 Vox Giggle 50 4T SA351Jog 50 92-01 4SC, 3SAJog 50 R AC 02-12 SA22Jog RR 50 LC 02-17 SA22Neos 50 4T 09-12 SA40Slider 50 AC 00-03 SA091Slider 50 AC 04- SA094Vino 50 4T 02-Zuma 50Zuma II 50Aerox 4 50 4T SA426Aerox Naked 50 2T 13- SA424Aerox R 50 2T 13-14 SA421-00Aerox R 50 2T 14- SA421-01BWs 50 12" 04-16 5WWBWs 50 Easy 13- 2DWBWs 50 Naked 16- SA231BWs 50 Original 11- SA231Jog 50 R AC 13- SA486Neos 50 2T 04-07 SA211Neos 50 2T 08-12 SA34Neos 50 2T 13- SA451Neos 50 2T 97-01 5ADNeos 50 4T 13- SA46Neos Easy 50 2T 13- SA457Why 50 02-03 SA03BWhy 50 04-13 SA03EWhy 50 99-01 SA036XC 115 S Delight 13- SE711Zest 50 93-99 4FWZest 80 94- 4MUZuma / BWs 50 91-97 4BXZuma / BWs 50 Bump 97- 4VAZuma / BWs 50 NG -98 4VAZuma / BWs 50 NG 99- SA05Zuma / BWs 50 Spy 96- 4VA
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