Malossi MHR REPLICA aluminum thermal unit D 50 77cc LC Derbi D50B

The Malossi MHR REPLICA Ø 50 thermal unit is a high-quality product ideal for competitions in the National Scooter Trophy in the 70 cc Automatic Class.

This thermal unit has been specially designed to offer competitive performance and maximum resistance in this category.

The distinctive features of the Malossi MHR Replica thermal unit include pistons with two chrome-plated rectangular segments and a compression ratio of 13.8:1.

In addition, it offers a torque of 7.35 N.m (0.75 Kgm) at 8,000 rpm and a power of 6.6 Kw (9 HP) at 8,500 rpm.

This thermal unit is part of Malossi's MHR line, which represents decades of experience accumulated in European and national competitions.

The thermal unit is mainly composed of a cylinder, piston, segment, and head, and is available in both water-cooled and air-cooled versions.

SPECIFICATIONS

• Material: aluminum
• Cooling: liquid
• Bore: 50 mm
• Stroke: 40 mm
• Displacement: 78.5
• Compression ratio: 13.1:1
• Distribution: 5 transfers
• Spark plug:
  • IRIDIUM IW 34: art. 6314455.S0 (MHR)
  • IRIDIUM IW 27: art. 6314455.L0 (SPORT)