Malossi Delta Clutch System MHR Ø 107 mm – Clutch Kit incl. Wing Clutch Bell for Minarelli 50 2T

If you are looking for a clutch for your MBK Nitro 50 or Yamaha Aerox 50 (Minarelli 50 2T) that truly delivers in sporty use, the Malossi DELTA SYSTEM MHR is exactly what you need. Here you get a complete centrifugal clutch system with clutch bell, developed for competition and performance setups – with precise adjustability and an extremely durable bell.

The kit combines the patented, adjustable Malossi Delta clutch with the reinforced Wing clutch bell MHR including cooling fins. Especially for well-known Minarelli scooters such as Yamaha Aerox 50 and MBK Nitro 50, the Delta Clutch plays to its strengths: clean engagement, adjustable response behavior, and high durability – even when things get hot.

Scope of Delivery (Delta System MHR)

• Patented, adjustable Delta clutch
• Reinforced Wing clutch bell MHR with cooling fins, dynamically balanced, for competition and sporty use

Advantages & Features of the Delta Clutch

• Developed for scooter competition sports – established as the benchmark for higher performance
• Simple adjustment of spring hardness to the centrifugal forces
• Possibility to install springs with different spring hardnesses (K-values) (according to Malossi catalog)
• Position adjustment of the small mass to influence the pressure between the friction material and the clutch bell
• Small mass can be replaced with differently weighted clutch weights
• Patented (protection against copies and counterfeits)
• Used as a standard product by many tuning professionals; used by racing teams and competition pilots
• Continuously tested in use by Malossi and optimized through small but decisive updates
• Exclusive Malossi formula: high-temperature resistant friction material with a stable friction coefficient even in long-term use

Technical Details – Wing Clutch Bell MHR

• Forged clutch bell made of 39NiCrMo5 steel
• Without weld seams, surface hardened and provided with an antioxidant coating
• Milled, ribbed reinforcement structure for better heat dissipation and protection of the friction material
• Tested up to over 20,000 rpm
• Radial scraping holes in the contact surface continuously clean the friction material
• Original concept with openings for dynamic ventilation and for adjustment of the internal clutch settings
• Highest processing quality and tightest tolerances

Why this set?

Due to high demand, Malossi offers the Delta clutch and the Wing clutch bell as a combined delivery unit. For you, this means: two genuine quality products in one package – and more price-attractive than individually.

Compatibility (Vehicles)

Fits many vehicles with Minarelli drive, e.g., Yamaha Aerox 50, MBK Nitro 50, and Aprilia SR 50 – but also many other models. Here is the complete list:

• Aprilia: Scarabeo 50 2-stroke 1999-2009
• Aprilia: Amico 50 1991-1993
• Aprilia: Gulliver 50 LC water
• Aprilia: Sonic 50 AC air
• Aprilia: SR 50 LC water 1994-1997, 2000
• Aprilia: SR 50 Stealth LC water
• Aprilia: Amico 50 Sport
• Aprilia: Amico 50 GL
• Aprilia: Scarabeo Di-Tech 50 AC air
• Aprilia: SR 50 WWW AC air 2000
• Generic: Vertico 50 2-stroke
• Italjet: Scoop 50
• Italjet: Pista 50
• Italjet: Yankee 50
• Italjet: Dragster 50
• Italjet: Pista 2 50
• KTM: Quadra 50
• KTM: Chrono 50
• KTM: Go 50
• KTM: Tempo 50
• KTM: Ark 50 LC water
• KTM: Ark 50 AC air
• Keeway: RY8 50 2009
• Longjia: Zero One 50 2-stroke
• MBK: Stunt Naked 50
• MBK: Fizz 50
• MBK: Flipper 50
• MBK: Nitro 50 1999
• MBK: Hot Champ 50 2-stroke
• MBK: Nitro 4 50 4-stroke 2014
• MBK: Booster Rocket 50
• MBK: Equalis 50
• MBK: Mach G 50 AC air
• MBK: Booster 50 One 2DW
• Malaguti: F10 Cat. 50 1999-2004
• Malaguti: Centro 50 Minarelli engine 2008
• Malaguti: Yestarday 50
• Malaguti: Ciak 50 2-stroke
• Malaguti: F12 Phantom 50 AC air 2003-2006
• Malaguti: F12 Phantom 50 LC water 2000-2004
• Malaguti: F15 Firefox AC air 2004
• Malaguti: F12 Phantom R 50 AC air
• Malaguti: F15 Firefox LC water 2004
• Malaguti: F12 Phantom R 50 LC water
• PGO: Big Max 50
• PGO: T-Rex 50
• Suzuki: Katana 50 Di-Tech engine
• Yamaha: Aerox 50 1999
• Yamaha: Giggle 50 4-stroke
• Yamaha: Slider 50 2004
• Yamaha: Spy 50
• Yamaha: Aerox 4 50 4-stroke
• Yamaha: Zuma II 50 standing engine
• Yamaha: Neos 50 4-stroke from model year 07 2007 to model year 07 2007
• Yamaha: BWs 50 Naked SA231 2016
• Yamaha: Jog RR 50 LC water
• Yamaha: Aerox R 50 Naked 2013

Note on Use

Important: These products are intended exclusively for competition use at designated locations according to the regulations of the responsible sports authorities. No liability is assumed for improper use.

OEM / Part Numbers

• Malossi item number: M5214113
• OEM / reference number: 5214113

SEO Tip: Perfect as an upgrade for Yamaha Aerox 50 and MBK Nitro 50 – especially if you want to tune your setup for sporty acceleration and stable performance under load.