Yanmar Marine engine

2QM15

The Yanmar 2QM15 is a 0.662-litre two-cylinder, raw-water-cooled marine diesel rated 15 hp at 3000 rpm, with an integral reverse-reduction gear. It is an older sailboat auxiliary from before Yanmar's GM series.

The 2QM15 is the smallest of Yanmar's QM series of low-speed marine diesels (2QM15, 2QM20, 3QM30). It is a vertical four-stroke with a pre-combustion chamber, 75 x 75 mm bore and stroke, seawater cooling by rubber-impeller pump, and electric and manual starting. Its built-in reduction gear uses a wet multi-disc mechanical clutch.

Two reduction ratios were offered: 2.14:1 on the 2QM15 and 2.83:1 on the 2QM15G. Yanmar's lighter, faster-revving GM series later took over this role.

Specifications

Power

Power
15 hp
Power (kW)
11 kW
Rated speed
3000 rpm

Engine

Configuration
inline 2
Cylinders
2
Displacement
0.662 L
Aspiration
naturally aspirated
Weight
145 kg
Fuel
Diesel
Mounting
Inboard

Reviews

No independent reviews on file yet.

Sources

  1. 1. Service Manual 2QM15 — Yanmar (hosted by J/30 class)

Specifications compiled from manufacturer sources.