Outboard Motor Service Cost Calculator
Estimate the cost of servicing an outboard motor. Pick the engine size and service type, a regular minor service is modest, while a major service or an impeller / water-pump job on a large engine costs more.

Your outboard motor service details
Your estimate sits within the typical range.
Outboards should be serviced roughly every 100 hours or annually, and the impeller replaced on schedule. Saltwater use is harder on engines than freshwater and needs more frequent attention.
💰 Ways to save
- Service annually or every 100 hours, a skipped service that leads to an overheat or seizure costs far more than the service.
- Flush the engine after every saltwater trip yourself, it is free and prevents corrosion.
- Replace the impeller on schedule, it is cheap and prevents a catastrophic overheat.
How we estimate this
An outboard motor service in Australia typically costs around $250 to $450 for a minor service in 2026 and $500 to $900 for a major service on a mid-size engine, with large and twin engines costing more. Mobile service and extra jobs add to that.
Pricing reviewed: November 2026.
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Pricing reviewed November 2026. Indicative Australian costs, not a quote.
Understanding outboard motor service costs in Australia
An outboard motor service in Australia typically costs around $250 to $450 for a minor service in 2026 and $500 to $900 for a major service on a mid-size engine, with large and twin engines costing more. Mobile service and extra jobs add to that.
Engine size and service type are the drivers. The water-pump impeller is a critical wear part, replacing it on schedule is cheap compared with the overheating damage a failed impeller causes, especially on larger engines.
Frequently asked questions
How much does an outboard service cost in Australia?
Roughly $250 to $450 for a minor service in 2026 and $500 to $900 for a major service on a mid-size engine. Large and twin engines, and mobile service, cost more.
How often should an outboard be serviced?
Roughly every 100 hours of use or once a year, whichever comes first, with the water-pump impeller replaced on schedule. Saltwater use is harder on engines and may need more frequent attention.
Are you a marine mechanic / outboard service?
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