We are pleased to offer this superb ATHENA big bore barrel kit!
Included:
Technical specifications:
Material of cylinder: aluminum
Type of cooling: water cooled
Bore: 83 mm
Stroke: 53.6 mm
Displacement: 290 ccm
Compaction: 13.5: 1
Piston bolt diameter: 16 mm
Number of piston rings: 2
Cylinder head: Not included
Maximum power at the crankshaft: 37.1 HP / 10.500 Rpm
Torque: 28 Nm / 7.450 Rpm