Cylinder unit for AM engines Ø 49 – Version 2002 – Für racing use

Für: Aprilia, Betamotor, CH, HM, HRD, Husqvarna, Motorhispania, Malaguti, MBK, Peugeot, Rieju, Yamaha with Minarelli engines series AM6/AM345/AM6 EU1

Compared to the previous version, the flow in the overflow channels has been changed so that the power curve has been further improved in all engine speed ranges and the overflow channels have been reduced from 7 to 5, although their flow rate has been increased.

• Cylinder made of cast iron „MlNACROM” (with added chrome) with 5 ¨overflow channels
• BORING               = 49 mm
• HUB                      = 39 mm
• CYCLE CAPACITY              = 73.5 ccm
• Compress. Ratio = 1:12.5