Yanmar 2YM15 – Marine Diesel Engine 14 HP
Narrow engine spaces on pocket cruisers gain dependable auxiliary thrust from a Yanmar 2YM15 inboard motor, which burns ISO 8217 DMA fuel across a 0.57L 2-cylinder block, driving an SD20 saildrive with 80 Amps charging at 227 lbs.
- 0.57L twin-cylinder block produces 14 horsepower
- Mechanical cone clutch prevents transmission slippage
- 80-Amp alternator maintains vessel battery voltage
- 227-lb lightweight mass reduces stern squat
$4,236.40
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Using a naturally aspirated 0.57L inline two-cylinder configuration, the Yanmar 2YM15 produces 14 hp at 3,600 rpm with indirect injection. The stated 23.0:1 compression ratio and ISO 8217 DMA diesel requirement define the documented fuel-system arrangement. A mechanical cone-clutch transmission, SAE 5 flywheel housing, and KM2P-1 or SD20 saildrive compatibility establish the listed propulsion interfaces.
The 227-pound dry engine uses a 12V 60 or 80-amp alternator, heat-exchanger cooling with 3.0L coolant capacity, and forced lubrication holding 2.0L oil. A wet mixing elbow forms part of the specified exhaust arrangement. Listed emissions ratings include EPA Tier 3, RCD II, and BSO II, while mechanical steering compatibility is stated.
Why Choose the Yanmar 2YM15 Marine Diesel Engine
The 2YM15 marine diesel engine combines 14 hp at 3,600 rpm with a naturally aspirated 0.57L two-cylinder indirect-injection platform. Buyers comparing compact propulsion options can assess its mechanical cone-clutch transmission, SAE 5 flywheel housing, KM2P-1 or SD20 saildrive compatibility, and 12V alternator options. Its 227-pound dry weight and stated fluid capacities provide additional installation-planning data.
Warranty and Support
Warranty coverage for this legacy engine should be confirmed against the current Yanmar policy applicable to its purchase date, installation status, and operating market. can assist with product details and order-related questions before purchase. Please review current warranty eligibility and coverage details on before purchase.
Before Ordering the Yanmar 2YM15 Marine Diesel Engine
Before ordering, verify engine-bed dimensions, mount locations, SAE 5 flywheel-housing compatibility, and the required KM2P-1 or SD20 saildrive arrangement. Confirm the vessel supports ISO 8217 DMA diesel, cooling-water intake, wet-exhaust routing, 12V charging wiring, mechanical steering controls, ventilation, shaft or saildrive alignment, and professional propulsion installation.
Product Specifications
Yanmar 2YM15 Full Specs
| Engine type | In-line 2, 4-stroke Diesel |
|---|---|
| Displacement | 0.57L (35 cid) |
| Bore x stroke | 70 x 74 mm |
| Horsepower | 14 hp (10.3 kW) |
| Rated rpm | 3600 rpm |
| Aspiration | Naturally Aspirated |
| Compression ratio | 23.0:1 |
| Fuel system | Indirect Injection |
| Recommended fuel | Diesel (ISO 8217 DMA) |
| Ignition/Firing Order | Compression / 1-2 |
| Alternator | 12V, 60/80 Amp |
| Gear ratio/Drive | KM2P-1 / SD20 Saildrive |
| Transmission | Mechanical Cone Clutch |
| Dry weight | 103 kg (227 lbs) |
| Flywheel housing | SAE 5 |
| Steering | Mechanical compatible |
| Coolant capacity | 3.0L |
| Exhaust system | Mixing elbow (Wet type) |
| Cooling system | Heat Exchanger |
| Lubrication | Forced lubrication |
| Oil capacity | 2.0L |
| Emissions rating | EPA Tier 3, RCD II, BSO II |
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