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Motorcycle engines positioned such that the [[Flat-twin|crankshaft is longitudinal and parallel to the frame]] are often used for shaft driven motorcycles. This requires only one 90° turn in power transmission, rather than two. Bikes from Moto Guzzi and BMW, plus the [[Triumph Rocket III]] and [[Honda ST series]] all use this engine layout. | Motorcycle engines positioned such that the [[Flat-twin|crankshaft is longitudinal and parallel to the frame]] are often used for shaft driven motorcycles. This requires only one 90° turn in power transmission, rather than two. Bikes from Moto Guzzi and BMW, plus the [[Triumph Rocket III]] and [[Honda ST series]] all use this engine layout. | ||
Motorcycles with shaft drive are subject to [[shaft effect]] where the chassis climbs when power is applied. This is counteracted with systems such as BMW's [[ | Motorcycles with shaft drive are subject to [[shaft effect]] where the chassis climbs when power is applied. This is counteracted with systems such as BMW's [[Paralever]], Moto Guzzi's [[Moto_Guzzi#CARC|CARC]] and Kawasaki's [[Tetra Lever]]. | ||
[[Category:Definitions]] | [[Category:Definitions]] |