Yanmar 1GM10 Marine Diesel Engine 9 HP – Compact, Efficient, and Built to Last by JB Marine GmbH
Reliable Auxiliary Power for Sailboats and Light Commercial Vessels
The Yanmar 1GM10 Marine Diesel Engine (9 HP) is a compact, lightweight, and ultra-reliable single-cylinder marine engine designed for small sailboats, dinghies, and auxiliary propulsion. As part of the legendary Yanmar GM Series, this engine is recognized worldwide for its rugged construction, fuel efficiency, and quiet, smooth operation.
Featuring direct seawater cooling, a swirl-type pre-combustion chamber, and electric/manual dual starting systems, the 1GM10 delivers dependable performance in all marine environments, whether for daily cruising or as backup propulsion. Trusted by thousands of sailors globally, it embodies Yanmar’s heritage of quality, efficiency, and endurance.
Engineered for Dependability and Marine Performance
The Yanmar 1GM10E is purpose-built for durability and ease of use, offering excellent fuel economy, low vibration, and minimal maintenance.
Its simple mechanical design and Yanmar’s precision engineering make it one of the most trusted auxiliary diesel engines in the world.
Performance Highlights
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Power Output: 9 HP (7 kW) @ 3600 RPM
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Continuous Rating: 8 HP (6 kW) @ 3400 RPM
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Cylinders: 1 (vertical, 4-stroke)
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Displacement: 0.318 L (19.41 cu. in.)
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Cooling System: Direct seawater cooling
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Starting System: Electric start with manual backup
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Combustion: Swirl-type pre-combustion chamber
This engine delivers steady, vibration-free power with impressive fuel efficiency, perfect for sailing yachts and compact marine craft.
Compact Power with an Exceptional Power-to-Weight Ratio
Weighing just a fraction of traditional inboard diesels, the 1GM10 offers an outstanding power-to-weight ratio that makes it ideal for smaller vessels.
Its compact footprint allows for flexible installation, even in tight engine compartments.
Design Advantages
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Lightweight for improved vessel balance
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Space-saving configuration for easy retrofits
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Direct seawater cooling simplifies installation
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Low vibration and quiet running characteristics
This balance of size and performance makes the Yanmar 1GM10 a favorite among yacht owners and sailing schools worldwide.
Fuel Efficiency & Low Emissions
The 1GM10’s swirl-type pre-combustion system ensures thorough fuel atomization, resulting in clean combustion, reduced emissions, and optimized fuel consumption.
This makes it not only efficient but also environmentally responsible.
Efficiency Highlights
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Excellent fuel economy for extended cruising
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Reduced soot and smoke output
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IMO-compliant emissions performance
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Meets EU Recreational Craft Directive standards
Enjoy longer sailing hours with lower fuel costs and cleaner operation, hallmarks of Yanmar’s marine engineering philosophy.
Simplified Maintenance & Longevity
Maintenance is simple and fast thanks to Yanmar’s smart engine layout. All critical service points, such as filters, oil fill, and seawater impeller, are easily accessible, allowing for efficient routine maintenance.
Maintenance Benefits
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Easy access to all service points
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Rugged marine-grade materials resist corrosion
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Long service intervals for reduced downtime
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Proven reliability for years of trouble-free use
Pair your engine with genuine Yanmar parts from JB Marine GmbH to ensure peak performance and maximum lifespan.
Dual Starting System – Electric and Manual Backup
Dependability is built into every Yanmar engine. The 1GM10 features an electric start system for convenience and a manual backup starter for peace of mind in case of battery failure.
Key Benefits
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Reliable start every time
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Backup crank ensures start in any condition
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Enhanced safety for solo sailors and long-range cruisers
With this redundancy, your voyage continues, no matter what.
Technical Specifications – Yanmar 1GM10 Marine Diesel Engine
| Specification | Details |
|---|---|
| Engine Type | 4-stroke, vertical, water-cooled diesel |
| Cylinders | 1 |
| Bore × Stroke | 75 × 72 mm (2.95 × 2.83 in.) |
| Displacement | 0.318 L (19.41 cu. in.) |
| Continuous Output @ 3400 rpm | 6 kW (8 HP) |
| Max Output @ 3600 rpm | 7 kW (9 HP) |
| Combustion System | Swirl-type pre-combustion chamber |
| Starting System | Electric start + manual backup |
| Cooling System | Direct seawater cooling |
| Dry Weight | Approx. 65 kg |
| Fuel Type | Diesel (DIN EN 590 compliant) |
Ideal for Small Vessels and Auxiliary Propulsion
The Yanmar 1GM10 is designed for small craft owners and sailors who demand dependable auxiliary power.
Its simplicity and compactness make it a perfect fit for a wide variety of marine applications.
Best Suited For:
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Small sailing yachts and cruisers
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Dinghies and pocket sailboats
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Auxiliary propulsion systems
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Workboats and tenders requiring backup diesel power
Whether you’re navigating coastal waters or operating offshore, this engine provides confidence, control, and reliability.
Warranty & After-Sales Support by JB Marine GmbH
When you purchase a Yanmar marine engine from JB Marine GmbH, you receive not only a world-class propulsion system but also comprehensive support, warranty, and service coverage.
Warranty Coverage
| Coverage Type | Details |
|---|---|
| Standard Warranty | 2 Years / 1000 Hours (whichever comes first) |
| Extended Coverage | Optional plans available |
| Support | Authorized service & technical consultation by JB Marine GmbH |
Why Choose JB Marine GmbH
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Authorized Yanmar marine diesel engine distributor
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Technical consultation for engine selection & installation
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Access to genuine Yanmar spare parts & accessories
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Fast, insured shipping across Europe
Our expert team ensures your engine installation, operation, and maintenance meet Yanmar’s factory standards for reliability and performance.
Frequently Asked Questions (FAQ)
What is the price of the Yanmar 1GM10 engine?
Pricing varies based on configuration and accessories. Contact JB Marine GmbH for a tailored quote.
Is this engine suitable for small sailboats?
Yes — the 1GM10 is the go-to choice for small sailing yachts, tenders, and auxiliary propulsion systems due to its size, torque, and reliability.
Are Yanmar parts included?
All engines come with genuine Yanmar components and full manufacturer documentation.
How can I place an order?
Visit JBMarineGmbH.de or reach out to our sales team for quotes, technical details, and installation guidance.
Do you offer international shipping?
Yes — we ship across Germany, Europe, and select global regions via standard or freight options.
Order Your Yanmar 1GM10 Marine Diesel Engine (9 HP) from JB Marine GmbH Today
Power your sailboat or workboat with one of the world’s most trusted compact marine engines. The Yanmar 1GM10 combines simplicity, efficiency, and longevity for worry-free operation and smooth sailing.
👉 Visit JBMarineGmbH.de to request pricing, installation advice, or availability.
Choose JB Marine GmbH – your official European partner for Yanmar marine diesel engines and genuine Yanmar parts.









