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The MHR REPLICA thermal unit line was created specifically for the National 70 cc Automatic Scooter Trophy competitions.
These thermal units were created to guarantee competitiveness and resistance at the highest levels in this category.
The distinctive features of Malossi MHR Replica thermal units are: pistons with two chrome-plated rectangular rings and a compression ratio of 13.8:1, torque of 7.35 N.m (0.75 Kgm) at 8,000 rpm and power of 6.6 kW (9 hp) at 8,500 rpm.
The entire Malossi MHR line is the result of many years of experience gained in European and national competitions.
These new thermal units mainly consist of a cylinder, piston, ring, and head, and are available in water-cooled and air-cooled versions.
Technical characteristics
Material: aluminum
Cooling: liquid
Bore: 50 mm
Stroke: 39 mm
Displacement: 77
Compression ratio: 13.8:1
Distribution: 5 transfers
