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Why 4 Stroke Engines in Raja Ampat

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Barracuda on the Hunt
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Meridian Adventure Dive Boats 4 stroke engines to get around Raja Ampat

Meridian Adventure Dive Boats are dual V6 250HP Yamaha 4 Stroke Engines with impressive acceleration, ultra-low emissions, and excellent fuel efficiency.

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But what does this mean – Let’s break it down.

Fuel Efficiency: 4-stroke engines generally have better fuel efficiency than 2-stroke engines. This is because a 4-stroke engine completes the combustion cycle (intake, compression, power, and exhaust strokes) in four distinct movements, allowing for more efficient combustion and better fuel use.

Lower Emissions: 4-stroke engines produce fewer emissions compared to 2-stroke engines. This is because 4-stroke engines have a dedicated exhaust stroke, allowing for more effective removal of combustion by-products and reducing pollution.

Durability and Reliability: 4-stroke engines are typically more durable and reliable than 2-stroke engines. The design of a 4-stroke engine includes a separate lubrication system, reducing wear and tear on engine components and increasing overall engine lifespan.

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Torque and Power: 4-stroke engines generally produce more torque at lower RPMs, making them more suitable for a wide range of applications, especially in vessels with essential low-end torque. 2-stroke engines often need to be revved higher to generate significant power.

Cooling System: 4-stroke engines have a dedicated cooling system, which helps maintain optimal operating temperatures. This contributes to the engine’s longevity and performance consistency. 2-stroke engines, on the other hand, rely on air or a mixture of oil and fuel for cooling, which can be less efficient.

Oil Consumption: 2-stroke engines require oil to be mixed with fuel for lubrication, which can result in higher oil consumption. In 4-stroke engines, oil is typically stored in a separate reservoir and circulated through the engine, leading to more controlled oil usage.

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Noise Levels: 4-stroke engines tend to be quieter than 2-stroke engines. The combustion process in a 4-stroke engine is spread over four strokes, reducing the sharp, distinctive sound associated with 2-stroke engines.

Our customised dive boats revolutionise the functionality and comfort of dive boat operations and will change how you dive forever. The space, comfort and long-range capabilities make this ideal for multi-purpose use.

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About Meridian Adventure Dive  

Situated in Raja Ampat, Indonesia, Meridian Adventure Dive is a PADI 5 Star Resort and winner of the PADI Green Star award. Scuba divers enjoy our professional services that have become synonymous with both the PADI and Meridian Adventure names.

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Picture of Adrian Stacey
Adrian Stacey
Scuba Diver ANZ Editor, Adrian Stacey, first learned to dive on the Great Barrier Reef over 24 years ago. Since then he has worked as a dive instructor and underwater photographer in various locations around the world including, Egypt, Costa Rica, Indonesia, Thailand, Mexico and Saba. He has now settled in Australia, back to where his love of diving first began.
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