Malossi Oversize Piston Kit 70ccm (47.4 mm) – for Malossi Sport cylinders with 10 mm piston pin

With this oversize piston kit (Ø 47.4 mm), you can bring your 70ccm Malossi Sport cylinder back to size correctly. The piston kit is designed for Minarelli and Morini engines, either AC (air-cooled) or LC (water-cooled), and comes with a 10 mm piston pin.

Ideal if you want to reliably rebuild your cylinder after a wear/seizure setup – precise fit, proven, and specifically intended for the Malossi Sport configuration.

Features & Benefits

• Oversize piston with 47.4 mm diameter
• For 70ccm Malossi Sport cylinders
• For Minarelli and Morini engines (AC or LC)
• 10 mm piston pin – suitable for corresponding setups
• Clean solution for repair/rebuild in case of wear

Technical Details

• Cylinder kit/type: Malossi Sport 70ccm (piston as oversize version)
• Piston diameter: 47.4 mm
• Piston pin: 10 mm
• Cooling: AC (air) or LC (water)
• Engines: Minarelli / Morini

Scope of Delivery

• Piston pin
• 2x piston clips (piston lock / locking clip)
• 2x piston rings

Compatibility (Vehicle List)

Fits many vehicles with Minarelli or Morini AC/LC engines, such as Yamaha Aerox 50, MBK Nitro 50 or Aprilia SR 50 – but also many other models from the list below.

• Aprilia: Amico 50 1991-1993
• Aprilia: Habana 50 Morini engine
• Aprilia: SR 50 LC water 1994-1997
• Aprilia: SR 50 Stealth LC water
• Aprilia: Rally 50 AC air
• Aprilia: SR 50 Racing LC water 2000
• Aprilia: Scarabeo Di-Tech 50 AC air
• Aprilia: Amico 50 Sport
• Aprilia: SR 50 WWW AC air 2000
• Aprilia: Gulliver 50 AC air
• Honda: Vision 50 2-stroke
• Honda: Lead 50
• Honda: SH 50 1984-1996
• Italjet: Velocifero 50
• Italjet: Dragster 50
• Italjet: Yankee 50
• Italjet: Pista 50
• Italjet: Scoop 50
• Italjet: Torpedo 50 2-stroke
• Italjet: Formula 50 AC air
• Italjet: Formula 50 LC water
• KTM: Chrono 50
• KTM: Quadra 50
• KTM: Tempo 50
• KTM: Ark 50 LC water
• KTM: Ark 50 AC air
• Longjia: Zero One 50 2-stroke
• MBK: Nitro 50 1999
• MBK: Booster Track 50
• MBK: Booster Rocket 50
• MBK: Booster 50 12 inch 2004
• MBK: Stunt 50 2004
• MBK: Stunt Naked 50
• MBK: Nitro R 50 2-stroke 2013
• MBK: Booster 50 One 2DW
• MBK: Booster 50 NG 1999
• MBK: Nitro 50 Cat 2003
• Malaguti: Yestarday 50
• Malaguti: Ciak 50 2-stroke
• Malaguti: F10 Wap 50 CPI engine 2008
• Malaguti: Centro 50 Minarelli engine 2008
• Malaguti: F12 Phantom 50 AC air 2003-2006
• Malaguti: F10 50 Jetline 1999
• Malaguti: F12 Phantom R 50 AC air
• Malaguti: F12 Phantom 50 LC water 2000-2004
• Malaguti: F15 Firefox LC water 2004
• Malaguti: F15 Firefox AC air 2004
• PGO: Big Max 50
• PGO: Hot 50
• PGO: PMX 50
• PGO: T-Rex 50
• PGO: G-Max 50
• PGO: Tornado 50
• Peugeot: SC Metropolis 50
• Peugeot: Metropolis SC 50
• Suzuki: Address 50
• Suzuki: Estilete 50
• Suzuki: AP 50
• Suzuki: Sepia 50
• Suzuki: Street Magic 50
• Suzuki: Katana 50 Di-Tech engine
• Suzuki: Zillion 50 1999
• Suzuki: Katana 50 LC water 1999
• Suzuki: Katana 50 AC air 1999
• TGB: Acros 50
• TGB: Delivery 50
• TGB: Laser 50
• TGB: 203 50
• TGB: 303R 50
• TGB: 101S 50
• TGB: F409 50
• TGB: 101R 50
• TGB: R50X 50
• Yamaha: BWS 50 12 inch 2004
• Yamaha: BWS Bump 50
• Yamaha: Jog 50
• Yamaha: Spy 50
• Yamaha: Aerox 50 1999
• Yamaha: Why 50
• Yamaha: YE 50 Zest
• Yamaha: BWs 50 Easy 2DW 2013
• Yamaha: Jog RR 50 LC water
• Yamaha: BWs 50 Original SA231 2011

OEM Numbers (Comparison Numbers)

• 34 6172.40
• 346172.40
• 34617240

Note: Comparison numbers are for guidance only. The decisive factors are the measurement (47.4 mm) and the 10 mm piston pin as well as the use in the Malossi Sport 70ccm cylinder.

Keywords/Terms: piston clip, piston lock, clip, lock, piston, locking clip