TOPPE MAXI KIT RACING 85CC AM6

This new “MAXI KIT” provides advanced technology and high performance for those who wish to upgrade engine power. It combines the Ø 49.5 cylinder-head unit featuring a split head with a special plain cap connecting rod kit featuring 44 mm stroke and dedicated balancing for a total piston displacement of 85 cc. The distinguishing feature of this kit it its torque output, up to 12.5 Nm at about 10,250 rpm, guaranteed to deliver superior acceleration, pick-up and driveability.

CYLINDER SPECIFICATIONS

Bore  49,5 mm

Stroke  44 mm

Displacement  85 cm3

Squish  0.9-1.1 mm

Compression ratio Geometric 14,7:1

Compression ratio Effective 8:1

Timing diagram Exhaust 191°

Timing diagram transfer ports 132°

Recommended spark advance: 16° (1 mm before of TDC)