Malossi MHR 70cc cylinder kit (M318437) for horizontal Minarelli 2T — Nikasil cylinder, HTSR head, 47mm Asso piston, 10mm wrist pin, needle bearing, piston rings, circlip, and gaskets Malossi MHR 70cc cylinder kit (M318437) for horizontal Minarelli 2T — Nikasil cylinder, HTSR head, 47mm Asso piston, 10mm wrist pin, needle bearing, piston rings, circlip, and gaskets
Malossi MHR 70cc cylinder kit (M318437) for horizontal Minarelli 2T — Nikasil cylinder, HTSR head, 47mm Asso piston, 10mm wrist pin, needle bearing, piston rings, circlip, and gaskets

Scooterworks USA, LLC

Malossi MHR 70cc Cylinder Kit - Minarelli Horizontal 2T

SKU M 318437
$343.00
Shipping calculated at checkout.
Description

The Malossi MHR cylinder kit is a 70cc big-bore top-end kit for air-cooled horizontal Minarelli 2-stroke engines. This is a replica of the cylinder Malossi uses on its own racing team — Nikasil-lined aluminum cylinder for reduced friction and superior heat dissipation, paired with an HTSR aluminum cylinder head and a 47mm Asso forged piston. Fits Genuine Buddy 50, Roughhouse 50/Sport, Yamaha Jog, Zuma 50, and Vino 50 2T. Made in Italy.

Replacement pistons (10mm wrist pin) and piston rings are available separately.

  • 70cc displacement — up from stock 50cc
  • Nikasil-lined aluminum cylinder for reduced friction and heat dissipation
  • HTSR aluminum cylinder head (Malossi racing spec)
  • 47mm Asso forged aluminum piston
  • 10mm wrist pin with needle bearing
  • Includes 2 piston rings, circlip, base gasket, and head gasket
  • Made in Italy by Malossi

Specifications

  • Displacement: 70cc
  • Bore: 47mm
  • Wrist Pin: 10mm
  • Cylinder: Nikasil-lined aluminum
  • Head: HTSR aluminum (Malossi racing spec)
  • Piston: 47mm Asso forged aluminum
  • Kit Includes: Cylinder, HTSR head, 47mm piston, 10mm wrist pin, needle bearing, 2 piston rings, circlip, base gasket, head gasket
  • Engine Type: Air-cooled horizontal Minarelli 2-stroke
  • Origin: Italy
  • Malossi Part No.: M318437

Compatibility

Make Model
Genuine Buddy 50
Genuine Roughhouse 50
Genuine Roughhouse 50 Sport
Yamaha Jog 50 (2T)
Yamaha Zuma 50 (2T)
Yamaha Vino 50 (2T)
Various Air-cooled horizontal Minarelli 2-stroke 50cc engines

Not intended for use on public roads or land.

California Prop 65 Warning: www.p65warnings.ca.gov
Product Diagrams
Features
  • 70cc displacement — up from stock 50cc
  • Nikasil-lined aluminum cylinder for reduced friction and heat dissipation
  • HTSR aluminum cylinder head (Malossi racing spec)
  • 47mm Asso forged aluminum piston
  • 10mm wrist pin with needle bearing
  • Includes 2 piston rings, circlip, base gasket, and head gasket
  • Made in Italy by Malossi
Specifications

Displacement: 70cc | Bore: 47mm | Wrist Pin: 10mm | Cylinder: Nikasil-lined aluminum | Head: HTSR aluminum | Piston: 47mm Asso forged | Engine: Air-cooled horizontal Minarelli 2T | Origin: Italy | Part No.: M318437
Model Fitments

Genuine Buddy 50, Genuine Roughhouse 50, Genuine Roughhouse 50 Sport, Yamaha Jog 50 2T, Yamaha Zuma 50 2T, Yamaha Vino 50 2T — air-cooled horizontal Minarelli 2-stroke engines
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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