Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider

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 one of the most powerful cylinders 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, power band goes up to 14,000 - 15,000rpm.

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