El Cajon · San Diego County
Inboard & Outboard Repair in El Cajon
Service and repair for the engine that powers your boat. Thompson Speed and Marine serves San Diego County boat owners from our shop at 290 Vernon Way in El Cajon.

Service for your inboard or outboard
Whether you need routine maintenance or help with a running problem, start by telling us what boat and engine you have. Inboard and outboard systems differ, and the engine model, service history and way you use the boat help us understand the job. Call to discuss your particular engine and the work you need.
Maintenance or a repair?
For scheduled service, tell us when the boat was last maintained and whether it has been sitting in storage. For a repair, describe what changed: starting behavior, engine temperature, power, shifting or a new sound. These details help us discuss the next step without guessing at a repair from a brief description.
When the cause is unclear
Hard starting, rough running and power loss can have more than one cause. If you are unsure which repair your boat needs, ask about marine engine diagnostics. If you are considering replacing your engine, see our marine repower information.
Before contacting the shop
Have the boat year, make and model, engine make and model, serial number if available, and any recent service records handy. Let us know whether you are requesting maintenance or troubleshooting a specific issue. Call ahead to arrange bringing your boat to the shop; we can discuss the job and next steps with you.
Thompson Speed and Marine · 290 Vernon Way, El Cajon, CA 92020
Monday–Friday · 9 AM–5 PM. Call ahead before bringing in your boat.
