Malossi Contrast Spring +106% – precise CVT tuning for your scooter

With the Malossi Contrast Spring (+106%), you get an important setup part for variator tuning. Especially for scooters such as Piaggio Zip 50, Vespa Primavera 50 or Peugeot Django 50, the correct contrast spring can make the difference if you want to cleanly tune the throttle response and power transmission to your engine.

The art of tuning lies in the correct combination of contrast spring, variator weights and clutch springs. If your V-belt slips, you should definitely choose a harder contrast spring – this is exactly where this Malossi spring comes in. Important: Too hard is not automatically better, because a spring that is too hard can also have a negative effect on power output. With +106%, you are in the sporty range and can specifically adjust your setup.

Fits many vehicles, such as Piaggio, Vespa and Peugeot, but also many other models from the list.

Advantages & Features

• Malossi Contrast Spring for sporty CVT/variator tuning
• Hardness +106% (compared to stock) for more counter pressure
• Helps with slipping V-belt (harder spring required)
• Fine-tuning together with variator weights and clutch springs
• Proven Malossi quality for reliable function

Technical Details

• Manufacturer: Malossi
• Type: Contrast Spring
• Spring Hardness: +106%
• Part Number: M298325.A0
• OEM Numbers (for comparison purposes only): 29 8325.A0, 298325.A0, 298325A0

Compatibility (Vehicle List)

• Aprilia: Mojito Custom 50 Piaggio-Engine, SR 50 Stealth LC Water, SR 50 Motard 4-Stroke 2013, Scarabeo 50 Street 2-Stroke 2004-2006, Scarabeo 50 4-V 4-Stroke 2006, SR 50 Street LC Water, SR 50 Funmaster LC from year 03 2003, SR 50 Racing LC Water 2000, SR 50 R LC Water 2005, SR 50 Sport LC Water
• Generic: Sirion 50 4-Stroke, Pandora 50 4-Stroke, Onyx 50 4-Stroke, Cracker 50, Vertigo 50 4-Stroke, Race 2 GT 50 4-Stroke
• Gilera: Stalker 50 1999, Runner 50 C14 year 2004 - 08 2005 1999-2004, Easy Moving 50, DNA 50, Typhoon-X 50, Stalker Naked 50, Storm 50 1999, 2007, Typhoon 50, Runner 50 DT 1999, Runner 50 SP from year 08 2005
• Honda: Metropolitan 50, SH 50 1984-1996, Shadow 50, SFX 50, SXR 50, Vision 50 2-Stroke, SGX 50 Sky, Wallaroo 50 PK50, SH 50 Scoopy AF40 1996, Vision 50 NSC50 4-Stroke 2013
• Hyosung: NewTee Up 50, NewTee Up 2014-2015
• Italjet: Jet-Set 50 2-Stroke 4-Stroke, Torpedo 50 2-Stroke 4-Stroke Piaggio Engine
• Kymco: Agility City 125, K12 50, DJ 50 SA10AA, Spacer 50, MXU 50, Agility RS 50, People S 50, Agility RS Naked 50, Dink 150, New Dink 50
• Longjia: LJ50QT-E 50
• MBK: Booster Rocket 50, Booster Spirit 50, Stunt 50 2004, Booster Naked 50 13 inch, Booster 50 NG 1999
• Malaguti: Ciak 50 4-Stroke, Centro 50 Minarelli-Engine 2008
• PGO: T-Rex 50, Big Max 50, G-Max 50, Hot 50, PMX 50, Tornado 50
• Peugeot: Django 50 2-Stroke 4-Stroke, Metal-X 50, Ludix 2 Elegance 50, Buxy M 50, Rapido 50, Zenith 50, Speedfight 4 50 LC Water AC (Air Water, Tweet RS 50 EVO 50, TKR 50 Furious, Speedfight 2 50 AC Air 2004
• Piaggio: Free 50 1999, Fly 50 2-Stroke 4-Stroke, Typhoon 50 C48 TEC1T 2010, Zip Base 50 1999, NRG 50 MC3 Purejet C320001, Velofax 1996, 1998, ZIP 50 ie 3V 4-Stroke, NRG 50 Extreme LC Water, Liberty 50 RST 2-Stroke 4-Stroke, NRG 50 Power LC Water
• Rieju: Toreo 50, Paseo 50
• TGB: R50X 50, 101R 50
• Vespa: LX 50 2-Stroke 4-Stroke, LXV 50 2-Stroke 4-Stroke, Sprint 50 2-Stroke, ET4 50 4-Stroke, ET2 50 2-Stroke, Sprint 50 2V 4-Stroke, ET2 50 injection, Primavera 50 2V 4-Stroke, Primavera 50 V4 Touring 2016, Primavera 50 3V 4-Stroke
• Yamaha: BWS 50 12 inch 2004, BWS 50 NG 1999

Important for Setup

• If the V-belt slips: a harder contrast spring is mandatory
• Too hard a spring can also decrease performance – always tune as a package with rollers & clutch springs