Cylinder Kit w/Head, Malossi 47mm MHR Big Bore 70cc for 50cc 2-Stroke Keeway, CPI Scooters

47mm Malossi 70cc MHR Racing Big Bore Cylinder Kit w/Head for 50cc 2-Stroke Keeway, CPI Scooters

SPECIFICATIONS:

• Bore: 47mm
• Wrist Pin: 12mm
• Displacement: 70cc
• Material: special aluminium alloy with high percentage of silicon and titanium that guarantees exceptional strain strength even at high temperatures.
• Heat treatment: special quenching and stabilizing treatment that gives the material increased toughness and strength, guaranteeing that mechanical and size specifications will remain unaltered for temperatures of up to 250 °C.
• Chip-forming machining: carried out on NC machining centres with extremely-limited size and shape tolerance (roundness, perpendicularity).
• Inner surface coating: effected using silicon carbide on a nickel matrix with heat treatment that guarantees extreme hardness (around 600 HVO, 1/5) and excellent resistance to wear.
• Internal machining of cylinder: using special machines that allow a degree of finish on the cylinder barrel walls whose roughness corresponds with the angles set at the design stage (grinding process using special stone).
• Port and exhaust diagrams: designed and manufactured especially for racing. The definition of the port and exhaust diagrams has requested considerable effort on the part of our engineers both on engine test stands and the circuits on which the trophy is held.

COMPATIBILITY:

• Benelli – Pepe LX 50 2T, Quattronovex 50 2T
• CPI – Aragon GP 50 2T, Hussar 50 2T >’03, Oliver 50 2T >’03, Popcorn 50 2T >’03
• Explorer – Cracker 50 2T
• Diamo – Velocity 50 2T
• Keeway – F-ACT 50 2T, Matrix 50 2T, Hurricane (Euro) 50 2T, Flash 50 2T, Focus 50 2T, Hacker 50 2T, Goccia 50 2T, Arn 50 2T
• Malaguti – F10 50 2T, F12 Phantom R 50 2T >’07
• Qlink – Hawk 50 2T, Rave 50 2T, Star 50 2T
• TNG – LS 50 2T, SS 50 2T
• Vento – Triton 50 2T, Zip 50 2T
• Yamaha – Axis 50 2T, Breeze 50 2T, Jog 50 2T, Neo’s 50 2T, Vino 50 2T, Why 50 2T, Zest 50 2T

Malossi 70cc MHR Cylinder kit. One of the strongest with 70cc capacity, set up for 12mm gudgeon pins. 6 over flow ports and 2-piece outlet port. Timing allows for a full cheek crank to be used. With the relevant tuning parts, approx. 20bhp is expected. Supplied with all necessary parts. All suitable parts supplied for installation. Suitable for Minarelli horizontal AC engines with 12mm gudgeon pins and on CPI, Keeway and Generic, as well as Chinese-built 2-stroke Minarelli-based engines

**NOTE: Please make sure that your scooter uses the 12mm wrist pin and not the 10mm that goes thru the piston. There is no refund or exchange onthis item.

***MADE IN ITALY***

**NOTE: Electrical, High Performance, Aftermarket items are non-returnable so please check photos and specifications before ordering.

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