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Interstate Marine
Technician checking an inboard boat engine at Interstate Marine

Marine engine service & repair

Boat Engine Service & Repair in Belton, Texas

Scheduled service, maintenance and repair for the engine that gets you on the water.

Choose your engine type

Outboard engines

Four-stroke oil and filter changes, two-stroke injection-system inspection, lower-unit gear oil, water-pump impellers, fuel filters, spark plugs and repair.

Inboard and sterndrive engines

Engine oil, sterndrive gear oil, transmission and V-drive fluid, closed-cooling coolant, alignment checks, bellows, gimbal bearings and repair.

Service by hours or calendar

We follow manufacturer-specified engine service by operating hours or calendar interval, including new-engine break-in service. Electronic scans and fault-code review are used where supported by the installed equipment and appropriate to the concern. After service or repair, we verify operation using testing methods appropriate to your boat and the work performed. This may include diagnostic equipment, an appropriate cooling-water supply, and lake testing when needed.

Tell us about your boat

Call with the boat’s make and model, the engine make, model and hours if known, and what you’re noticing. Customers bring their boats to our shop at 8398 S. IH35 Service Rd, Belton, TX 76513.