The Triumph Rocket III is a three-cylinder motorcycle made by Triumph Motorcycles Ltd. At 2,294 cc (140.0 cu in) it had the largest-displacement engine of any production motorcycle until 2019 when Triumph released the Triumph Rocket 3.
Triumph Rocket III
2004 NEC Motorcycle show launch
Rocket III Roadster
Rocket III Touring (2008)
A straight-three engine is a three-cylinder piston engine where cylinders are arranged in a line along a common crankshaft.
Engine block of an Elsbett straight-three diesel engine
Circa-1960 Saab two-stroke engine
2010 Suzuki K10B engine
1969–1975 Kawasaki H1 Mach III