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Aerox Malossi MHR Replica 70cc Cylinder Kit


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Malossi MHR replica 70cc cylinder kit for Yamaha Aerox/ Minarelli 50cc 2-stroke liquid cooled scooters.

These kits produce upto 14HP at around 10,700rpm.

The MHR Replica line of cylinder was created especially for the International Scooter Trophy ­ 70cc Automatic Class. These cylinder kits were designed to guarantee maximum performance in this category, while at the same time assuring extremely long product life.

In order to guarantee these special characteristics, Malossi MHR Replica cylinder kit have pistons with two chrome-plated rectangular segmants and a compression ratio of 13.8:1, plus torque value of 7.35 N.m. (o.75 Kgm) at 8.000 rpm and power of 6.6 Kw (9 C.V.) at 8.500 rpm.

A high quality full circle crankshaft with C4 main bearings is recommended with this cylinder kit. An mid-range exhaust like Yasuni R is recommended. Transmission and carb will also need to be adjusted/ upgraded to suit this kit.

*note* uses standard short reach plug BR8HS BR9HS

Malossi 318430

  • Malaguti 50cc F12,F15
  • MBK (liquid cooled)
  • Yamaha Aerox 50
  • Yamaha Jog RR (liquid cooled)
  • Q. Can I use a standard crank on this kit
  • A.

    A full circle crankshaft is recommended.

  • Q. What material is the bore made from ?
  • A.

    It is nicasil plated aluminium

  • Q. Do you know the dimention(10x?x?) on the small end bearing(roller bearing)?
  • A.

    Malossi recommend 10x14x13 bearing for that kit

  • Q. is this a 10mm or 12mm?
  • A.

    10mm gudgeon pin