Gasoline Marine Services
Gasoline Engine Mechanical Surveys & Inspections — Washington
The following marine professionals and service facilities provide mechanical inspection services for gasoline-powered boats in Washington.
Services and manufacturer authorizations can change. Contact the provider before scheduling to confirm experience with the specific engine, sterndrive, transmission, and vessel involved.
Tacoma & South Puget Sound
Commencement Bay Marine Services — Tacoma
Mechanical Survey / Pre-Purchase Inspection: Yes
Specialties: Gasoline inboard and sterndrive engines, engine diagnostics, propulsion systems, outdrives, steering, cooling systems, fuel systems, repowers, and general mechanical service.
Engine / Drive Experience:
Mercury / MerCruiser
Volvo Penta
Gasoline inboard engines
I/O / sterndrive systems
Pre-Purchase Services: Dedicated pre-purchase mechanical inspections for prospective boat buyers.
Phone: 253-572-2666
Location: 820 East D Street, Tacoma, WA 98421
Olympia & South Sound
Rognlin Motorsports & Marine — Olympia
Mechanical Survey: Yes
Specialties: Gasoline and diesel marine engines, mechanical troubleshooting, general maintenance, and mechanical surveys.
Contact: Austin Rognlin
Phone: 360-705-9118
Seattle / Ballard
Lieb Marine Services — Seattle
Mechanical Inspection: Yes
Specialties: Gasoline marine engines, MerCruiser engines, sterndrives/outdrives, engine diagnostics, repairs, rebuilds, repowers, and mechanical inspections.
Engine Specialty: MerCruiser gasoline engines and sterndrive systems.
Phone: 206-284-2820
Location: 1544 NW Ballard Way, Seattle, WA 98107
Before Hiring a Marine Gasoline Technician:
Engine brands, dealer authorizations, personnel and service areas can change. Vessel owners should confirm that a provider has current experience with the specific engine make and model involved and verify whether the requested work will be performed by a factory-trained or manufacturer-authorized technician when that distinction is important.
For a vessel purchase, consider arranging a dedicated mechanical/engine inspection in addition to the general condition-and-value marine survey.
Directory last reviewed: August 2026