Rebuild Engine Boat
Gas and diesel boat engine rebuilds for outboards and inboards in Long Beach, San Pedro and LA County. Restore power and reliability. Request a quote.
- 7 services
- From $150
- At your slip or in the shop
Boat Engine Rebuilds in Long Beach and San Pedro
Breeze Marine Boat Service rebuilds worn gasoline and diesel boat engines, outboard and inboard. We are a licensed and insured marine service company, working at your slip, dock or storage yard from Marina del Rey to Newport Beach, or at our San Pedro shop.
What the work covers
A boat engine rebuild means taking the engine apart, inspecting and measuring each part, then machining or replacing what is worn. We renew rings, bearings, gaskets and seals, and replace pistons, valves or other parts worn past the maker's limits. Parts are quoted with the job.
- Gasoline outboards: an outboard engine rebuild for Mercury and Yamaha engines, or a powerhead swap with a remanufactured powerhead when the block is too far gone.
- Gasoline inboards and sterndrives: a gasoline inboard rebuild for MerCruiser, Indmar and Volvo Penta engines.
- Diesels: a diesel engine rebuild for Yanmar, Cummins and Volvo Penta, plus heat exchanger and aftercooler ultrasonic cleaning.
- Machine work: cylinder head machining and a valve job, and engine block boring and honing so new rings can seal.
Signs your engine may need a rebuild
- Low or uneven compression
- Blue smoke and oil use that keeps climbing
- Knocking from inside the engine
- Milky oil or water in the cylinders
- Lost power that a tune-up does not bring back
- Damage after overheating or running low on oil
Questions about engine rebuilds
How do you know a rebuild is needed?
We start with a check, including a compression test and a look at the oil, cooling and exhaust. Sometimes one repair, such as a valve job or a new exhaust riser, solves the problem. If the check shows wear across the engine, we quote the rebuild before any work is done.
What happens after a rebuild?
Follow the break-in steps your engine maker gives, which usually mean varying the speed, avoiding long runs at full throttle and changing the oil early. Watch the gauges closely on the first trips.
Book a visit: submit a ticket with the boat, where it is kept and what the engine is doing, or call (562) 542-7296.
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#1550 Nathan, boat owner in Newport Beach asks asks
Can this service extend the life of my engine?
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Yes, machining and a proper valve job restore compression, prevent leaks, and ensure efficient operation, significantly extending the engine’s longevity.
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#1548 Aiden, fishing boat owner in Long Beach asks asks
How long does a cylinder head machining and valve job take?
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The process typically takes 1–2 days, depending on the engine size and condition, including inspection, machining, valve work, and post-service testing.
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#1546 Ella, motorboat owner in Newport Beach asks asks
Do you also inspect cylinder heads for cracks or damage?
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Absolutely. We perform thorough inspections, including pressure testing and visual checks, to identify cracks, warping, or other issues before machining.
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#1544 Mason, cruiser owner in Long Beach asks asks
Can a valve job improve engine power and efficiency?
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Yes, properly seated valves restore proper airflow and combustion efficiency, resulting in smoother operation, more power, and better fuel economy.
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#1542 Liam, sailboat owner in Newport Beach asks asks
When should I consider cylinder head machining?
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Consider machining when heads are warped, cracked, or leaking, which can cause poor performance, overheating, or loss of compression.
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#1540 Clara, yacht owner in Long Beach asks asks
What does a valve job involve?
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A valve job includes inspecting, grinding, or replacing valves, valve seats, and guides. Proper seating ensures a tight seal for optimal combustion and prevents oil or coolant leaks.
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#1538 Avery, motorboat owner in Newport Beach asks asks
What is cylinder head machining and why is it important?
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Cylinder head machining resurfaces the head to ensure a flat, smooth sealing surface, improving compression and preventing leaks. It’s essential for restoring engine efficiency and performance.
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#1536 Nathan, boat owner in Newport Beach asks asks
Can boring and honing extend the life of my engine?
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Yes, by restoring cylinder integrity and proper compression, boring and honing prevent premature wear, reduce oil consumption, and extend engine longevity.
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#1534 Aiden, fishing boat owner in Long Beach asks asks
How long does engine block boring and honing take?
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The process typically takes 1–2 days, depending on the engine size and condition, including inspection, boring, honing, and post-service testing.
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#1532 Ella, motorboat owner in Newport Beach asks asks
Do you also provide piston and ring replacement after honing?
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Yes, we can replace pistons and rings as needed to ensure proper fit, sealing, and optimal engine performance after the boring and honing process.
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