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2YM15

2YM15

2YM15-2 Marine Installation Manual - Volume 2

© 2007 Yanmar Marine International

2YM15

Engine Specifications

Notes:

1. Rating condition:

* Fuel temperature: 25°C at fuel pump

inlet ISO 3046-1

** Fuel temperature: 40°C at fuel pump

inlet ISO 8665

Fuel density: 0.842 g/cm

3

at 15°C

2. 1 HP (hp metric) = 0.7355 kW

Parameter Data

Configuration 4-cycle, Vertical,

Water-Cooled Diesel

Crankshaft Rotation

(Viewed from Stern)

Counterclockwise

Combustion System Swirl Pre-Combustion

Chamber

Aspiration Naturally Aspirated

Number of Cylinders 2

Bore x Stroke 70 mm x 74 mm

(2.76 in. x 2.92 in.)

Displacement 0.570 L

(35 cu in.)

Continuous Rating

Output at Crankshaft

(at 3489 rpm)

9.4 kW*

(12.8 hp metric)*

Brake Mean Effective

Pressure

(Continuous Rating

Output)

0.57 MPa

5.80 kgf/cm

2

(82.68 psi)

Piston Speed

(Continuous Rating

Output)

8.61 m/sec.

(28.25 ft/sec.)

Maximum Output at

Crankshaft

(at 3600 rpm)

10.0 kW*

(13.6 hp metric)*

or

9.7 kW**

(13.2 hp metric)**

Brake Mean Effective

Pressure

(Maximum Output)

0.60 MPa*

6.15 kgf/cm

2

*

(87.03 psi)*

Piston Speed

(Maximum Output)

8.88 m/sec.

(29.13 ft/sec.)

High Idling Speed 3850 ± 25 rpm

Low Idling Speed 850 ± 25 rpm

Firing Order

-180° -540°

1 - 2 - 1

Starter Motor DC 12 V, 1.4 kW

Alternator DC 12 V, 60A

DC 12 V, 80A - Optional

Minimum Battery

Capacity

DC 12 V, 64 Ah

Cooling System Fresh water cooling by

centrifugal fresh water

pump and rubber

impeller seawater pump

Coolant Capacity

(Engine)

3.0 L

(3.17 qt)

Coolant Recovery

Tank Capacity

0.8 L

(0.85 qt)

Engine Lubrication

System

Forced lubrication with

trochoid pump

Engine Oil Capacity at

8° Rake Angle

(Effective / Maximum)

0.95 / 2.0 L

(1.0 / 2.12 qt)

Engine Oil Capacity at

0° Rake Angle

(Effective / Maximum)

0.9 / 1.8 L

(0.95 / 1.90 qt)

Dry Weight

(with KM2P-1)

113 kg

(249 lb)

Dry Weight

(with SD20)

134 kg

(295 lb)

Recommended

Installation Rake

Angle

KM2P-1: 8°

SD20: 0°

Maximum Installation

Rake Angle

KM2P-1: 15°

Parameter Data

JUN 2006 (Rev. 1)

1 2 3 4 5 6 7 ... 65 66

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