V-four

A V4 engine is a V form engine with four cylinders.

Cutaway view of the V-4 engine of a Yamaha V-Max

Longitudinal V4 engine in a Honda ST1100 with its fairing removed

V4 engines are mostly found nowadays in motorcycles, typically transversely-mounted. Models with V4 engines include:

• Aprilia RSV 4
• Ducati Desmosedici
• Honda Magna
• Honda NR
• Honda RC212V
• Honda ST1100 and ST1300 (Pan-European) with longitudinally mounted V4 engine.
• Honda VF and VFR
• Suzuki Madura
• Yamaha Venture
• Yamaha V-Max
• Yamaha YZR500