V3 engine

The V3 engine is a V engine with three cylinders. A V engine with the usual two banks, one bank contains two cylinders, the other only one. A rare configuration, it has only been used for two-stroke racing motorcycles.

The first example was by DKW in the 1953.

Honda later revived the layout:

Honda NS500 Grand Prix racing motorcycle of the early 1980s
Honda MVX250F
Honda NS400R

A related layout was the W3 or 'fan' engine, although this placed all three cylinders in the same plane, but none of them in the same bank. This was used for the 1905–1915 four-stroke Anzani engine, which was used in motorcycle and aircraft applications.

Reciprocating engines and configurations

Type

Stroke cycles

Configurations
& number of cylinders

Single cylinder	Single

Two cylinders	Split-single I2 V2 F2

Inline / straight	I2 I3 I4 I5 I6 I7 I8 I9 I10 I12 I14

Flat	F2 F4 F6 F8 F10 F12 F16

V / Vee	V2 V3 V4 V5 V6 V8 V10 V12 V14 V16 V18 V20 V24

W	W8 W12 W16 W18

Other inline	H U Square four VR Opposed X Junkers Jumo 222

Components

Valves	Cylinder head porting Corliss Intake Exhaust Multi Overhead Piston Poppet Side Sleeve Slide Rotary valve Variable valve timing Camless Desmodromic

Fuel supplies	Carburetor Gasoline direct injection Common rail

Mechanisms	Cam Camshaft Overhead camshaft Connecting rod Crank Crankshaft Scotch yoke Swashplate Rhombic drive

Linkages	Peaucellier–Lipkin Watt's (parallel)

Other	Hemi Recuperator Turbo-compounding

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