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"Malossi Cylinder Kit ""MHR Racing"" 70cc aluminium MBK Booster / Stunt"

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Malossi Item no.: M317559

"Malossi Cylinder Kit ""MHR Racing"" 70cc aluminium MBK Booster / Stunt"

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Malossi 70cc Aluminium Cylinder Kit "MHR Racing" MBK Booster / Stunt, high-end 70cc racing kit by Malossi.

The kit includes:

  • Aluminium Cylinder with 6 transfer ports and bridged exhaust port
  • Single-Ring Piston, d = 47mm, 10mm pin
  • High-Compression Cylinder Head
  • Gasket Kit (paper base gasket, head / exhaust / reed valve gasket
  • Carbon Fiber Reed Petals (2x) MHR

The "MHR Racing" is Malossi's most powerful cylinder for MBK Booster / Stunt (Minarelli vertical). Set up with the right components (reinforced crankshaft, 19-21mm carburetor and racing exhaust), it can reach 10/11hp, with plenty of torque at low rpm range.

With 70cc displacement, it is of course not street-legal and reserved for the race track or closed-off roads.

Additional Information
Name "Malossi Cylinder Kit ""MHR Racing"" 70cc aluminium MBK Booster / Stunt"
Item No. M317559
Brand Malossi
Homologation No
Displacement 70cc
Stroke Original
Conrod Length Standard
Product Line Racing
Material Aluminium
Engine Type 2-stroke
Cooling Type AC
Bore 47 mm
Piston Pin Original
Number of Piston Rings 1
Cylinder Head Included
Fits to (31)

Your product goes with the following manufacturers and their models:

Amico 50cc AC (1991 - 1992), Amico 50cc ac (after 1993), Amico GL 50cc AC, Amico Sport 50cc AC, SR 50cc AC (before 1994) - Minarelli vertical

Pista 2 50cc AC, Pista 50cc AC

Booster 50cc AC (1992 - 1999), Booster 50cc AC (after 2004), Booster Next 50cc AC (after 1999), Booster Next 50cc AC (before 1999), Booster One 50cc until 2013, Booster Rocket 50cc AC, Booster Spirit 50cc AC (before 2004), Booster Track 50cc AC, Stunt 50cc AC, Stunt 50cc AC CAT (after 2004), Stunt Naked 50cc AC

BW's 50cc AC, BW's 50cc AC (after 2004), BW's Bump 50cc AC, BW's Easy 50cc 2013, BW's NG 50cc AC (after 1999), BW's NG 50cc AC (before 1999), BW's Spy 50cc AC, Slider 50cc AC (before 2004), Slider 50cc AC CAT (after 2004), Spy 50cc , Target 50cc, Zuma 50cc AC, Zuma II 50cc AC