REPAIR & MAINTENANCE

Repair & Maintenance

Factory-Certified Service for Yamaha, Mercury, Suzuki & Honda

From routine oil changes to complex diagnostics, our technicians keep your outboard running at peak performance. Serving the San Francisco Bay Area.

Why Service With Aqua Marine Outboard?

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What You GetWhy It Matters
Factory-Certified TechniciansYamaha, Mercury, Suzuki & Honda certified. Trained on the latest EFI, digital rigging, and diagnostic systems.
Genuine OEM PartsFactory-authorized parts protect your warranty and ensure proper fit and function. No aftermarket shortcuts.
Same-Day DiagnosticsMost problems identified within 1 hour. No waiting days to know what’s wrong.
Transparent PricingEstimate provided before work begins. No surprises, no hidden fees.
90-Day Workmanship WarrantyEvery repair backed by our guarantee. If we fixed it, we stand behind it.
Service Records KeptFull maintenance history for warranty claims, resale value, and recall notifications.

Routine Maintenance Services

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ServiceWhat’s IncludedIntervalEst. Cost
Oil & Filter ChangeDrain old oil, replace filter, refill with OEM-spec oil, inspect for contamination100 hrs or 1 year$45–$85
Gear Oil ChangeDrain lower unit, inspect for water/metal, refill with marine gear lube100 hrs or 1 year$25–$40
Water Pump ImpellerReplace impeller and housing, inspect wear plate, test flow200 hrs or 2 years$80–$150
Thermostat ReplacementTest opening temp, replace if stuck or corroded200 hrs or 2 years$30–$60
Spark Plug ReplacementRemove, inspect, gap, replace with OEM plugs300 hrs or 3 years$40–$80
Fuel Filter ReplacementReplace 10-micron filter, inspect fuel lines, test for leaks100 hrs or 1 year$15–$35
Anode InspectionCheck wear, replace if <50% remaining, clean mounting surfaces50 hrs or 6 months$15–$40
Battery ServiceTest voltage and load, clean terminals, check charging system50 hrs or 6 months$0–$15
Control Cable LubeDisconnect, clean, lubricate, adjust tension100 hrs or 1 year$10–$25
Full 100-Hour ServiceAll of the above plus compression test, diagnostic scan, adjustments100 hrs$300–$600

Diagnostic & Repair Services

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ProblemOur ApproachTypical Cost
Won’t StartBattery test, ignition check, fuel flow test, compression test, EFI fault code scan$85–$200
OverheatingTell-tale flow check, impeller inspection, thermostat test, cooling passage inspection, pressure test$100–$300
Running RoughSpark plug analysis, fuel system test, compression mapping, IAC valve cleaning, vacuum leak test$100–$250
Loss of PowerFuel pressure test, propeller inspection, throttle linkage check, ECU limp mode diagnosis$100–$250
VibrationPropeller balance and inspection, engine mount check, driveshaft inspection$75–$200
Fuel System IssuesFuel pressure test, injector flow test, filter replacement, tank and line inspection, water contamination test$100–$400
Electrical ProblemsParasitic draw test, alternator output, gauge signal tracing, wiring harness inspection$85–$250
Trim/Tilt FailureHydraulic fluid check, pump motor test, relay bypass, ram seal inspection, bleed procedure$100–$400
Lower Unit ProblemsGear oil analysis, pressure test, prop shaft inspection, gear and bearing check$100–$500
Smoke / Excessive Oil UseCompression test, leak-down test, valve seal inspection, ring wear assessment$150–$400

Seasonal Services

Winterization — $200–$350
  • Oil and filter change
  • Gear oil change
  • Fogging (carbureted) or cylinder treatment (EFI)
  • Fuel stabilization
  • Cooling system flush
  • Battery removal and storage prep
  • Grease all fittings
  • Anode inspection
  • Proper cover and storage advice
Summerization — $250–$450
  • Visual inspection for pest/corrosion damage
  • Battery reinstall and test
  • Fuel system check and filter replacement
  • Oil and filter change
  • Gear oil change
  • Impeller and thermostat replacement (if due)
  • Anode replacement
  • Propeller inspection and reinstallation
  • Gauge and electronics test
  • Cable lubrication
  • Trim/tilt service
  • Compression test baseline
  • Sea trial and tuning

Advanced & Specialty Repairs

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ServiceDescriptionEst. Cost
Lower Unit RebuildComplete gear, bearing, and seal replacement. 6-month warranty.$800–$1,500
Powerhead DecarbonizationRemove carbon deposits from pistons, valves, and combustion chamber. Restores compression and efficiency.$300–$600
ECU ReprogrammingFactory software updates, calibration, and performance tuning.$150–$400
Fuel Injector ServiceUltrasonic cleaning, flow testing, and seal replacement.$50–$100 per injector
Hydraulic Steering OverhaulSeal replacement, fluid flush, and pressure test.$300–$800
Control System UpgradeDigital throttle and shift (DTS) installation and integration.$1,500–$3,500
Jack Plate InstallationHydraulic or manual jack plate with full rigging.$800–$2,000

Service Process

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STEP 1: BOOK YOUR SERVICE
Call +1 (415) 882-6561, book online, or walk in.
Describe the problem or service needed.

STEP 2: DROP OFF OR MOBILE SERVICE
Bring your boat/motor to 1428 Wallace Ave, San Francisco.
Or request mobile service (Bay Area, additional fee).

STEP 3: DIAGNOSTICS & ESTIMATE
We inspect, diagnose, and provide a written estimate.
No work begins without your approval.

STEP 4: REPAIR & TESTING
Factory-certified techs perform the work.
We test-run every motor before returning it.

STEP 5: PICKUP & WARRANTY
You receive a detailed invoice and service record.
All repairs carry our 90-day workmanship warranty.
 

Service Pricing & Policies

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PolicyDetails
Diagnostic Fee$85–$150 (applied to repair if you proceed)
Labor Rate$125/hour for standard service
Mobile Service$150/hour + travel (2-hour minimum)
After-Hours Surcharge+$100 (10 PM – 6 AM)
Parts Markup15–20% over wholesale (industry standard)
Estimate Validity14 days
PaymentDue at pickup. Cards, cash, check accepted. Financing available for repairs over $500.
Cancellation24-hour notice required. Same-day cancellation may incur diagnostic fee.

Service Warranty

90-Day Workmanship Warranty
  • Covers all labor performed by Aqua Marine Outboard technicians
  • Defective parts replaced at no charge (parts warranty through manufacturer)
  • Does not cover: damage from neglect, improper use, or non-OEM parts installed elsewhere
Extended Service Plans
  • Annual maintenance packages: 10% off all services
  • Commercial fleet plans: Custom pricing, priority scheduling, loaner motors

Book Service

Aqua Marine Outboard 1428 Wallace Ave San Francisco, CA 94124