Description
Discover the MerCruiser 3.0L TKS 135 PS crate engine, OEM 8M0150086. Perfect for your boating needs and performance upgrades.
The MerCruiser 3.0L TKS 135 PS crate engine is a robust and reliable marine engine designed for recreational boating applications. With a displacement of 3.0 liters and a power output of 135 PS (approximately 99 kW), this engine is well-suited for a variety of vessels, including runabouts and pontoon boats. Its design emphasizes durability, ease of maintenance, and compatibility with a range of marine drives.
Technical Specifications
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Engine Type: Inline 4-cylinder
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Displacement: 3.0 liters (181 cubic inches)
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Horsepower: 135 PS (99 kW) at the flywheel
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Bore x Stroke: 4.03″ x 3.60″ (102 mm x 91 mm)
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Compression Ratio: 9.3:1
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Fuel System: Carbureted with Thunderbolt® Ignition System
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Maximum RPM: 4,400–4,800 RPM
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Cooling System: Raw water cooled
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Weight: Approximately 1,040 lbs (472 kg)
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Drive Compatibility: Alpha One Gen II sterndrive
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Warranty: Typically 3-year limited warranty
Key Features
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Thunderbolt® Ignition System: Provides reliable starting and smooth operation, reducing maintenance needs.
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Raw Water Cooling: Efficiently manages engine temperatures, suitable for various water conditions.
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Carbureted Fuel System: Simplifies fuel delivery and maintenance, making it ideal for recreational boaters.
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Standard Rotation: Compatible with most marine drives, ensuring versatility in installations.
Applications
The MerCruiser 3.0L TKS 135 PS crate engine is ideal for:
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Repowering Older Vessels: Replaces older 2.5L and 3.0L sterndrive engines from ’63–’15.
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Runabouts and Pontoon Boats: Provides sufficient power for cruising and light towing activities.
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DIY Boat Builders: Offers a reliable engine option for custom boat projects.
Maintenance and Serviceability
This engine is designed for ease of maintenance:
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Accessible Components: Key service points are easily reachable, reducing downtime.
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Durable Construction: Built with marine-grade materials to withstand harsh conditions.
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Comprehensive Support: Backed by a network of authorized service centers for repairs and parts.
The MerCruiser 3.0L TKS 135 PS crate engine offers a blend of power, reliability, and ease of maintenance, making it a solid choice for various recreational boating applications. Its compatibility with a range of marine drives and straightforward design ensures that boaters can enjoy a dependable and enjoyable boating experience.
For more information or to purchase, you can visit www.tinsdalemarine.com or contact them directly at info@tinsdalemarine.com.




