WH

Wolfe & Hoover Marine

Marine knowledge network
HomeJoin

The Marine Knowledge Network

Field write-ups from real jobs - what broke, what fixed it, torque specs and part numbers included. Ask it a question; specs answer inline.

MerCruiser (3)Sea-Doo (2)Yamaha (2)Catalina (1)Evinrude-Johnson (1)Honda (1)Mercury (1)Sea Ray (1)Suzuki (1)Volvo Penta (1)

1 direct answer and 9 articles for “gear oil”

Gear Oil Capacity · outboard
0.43 US qt (~410 mL)
From Honda BF40A/BF50A outboard — specs & service (from free OEM manual) · Source: Honda BF40A/BF50A Owner's Manual 31ZW4607

Suzuki DF Lower Unit Oil Change and Water Intrusion Signs

## Routine that catches big problems early A gear oil change on a Suzuki DF ...

SuzukiDF-seriesfour-stroke outboard
2026-07-05 · 2 views

Yamaha F-Series Four-Stroke Winterization

... 4. **Change the gear oil now, not in spring.** Drain from the lower plug ...

YamahaF-seriesfour-stroke outboard
2026-07-05 · 2 views

Spring Recommissioning Checklist: Outboard Boats

... out, not "run through." ## Engine - Check gear oil condition if it wasn't changed ...

outboard
2026-07-05 · 2 views

Sea Trial Checklist for Mechanics

... leaks (fuel, oil, gear lube streak behind the drive), belt dust, weeping fittings - IR ...

2026-07-05 · 1 views

Volvo Penta Sterndrive Annual Service Essentials

... 5. **U-joints/gimbal check.** Listen at idle in gear for chirps; grease points ...

Volvo PentaSX / DPSsterndrive
2026-07-05 · 2 views

Honda BF-Series Carburetor Cleaning

... Also change the engine oil any time you found fuel dilution — don't skip ...

HondaBF-seriesfour-stroke outboard
2026-07-05 · 1 views

The On-Water Diagnosis Kit: What's Actually in the Bag

... common engines - Gear lube + pump, engine oil, TC-W3, greases, penetrating oil - Impeller kits ...

2026-07-05 · 1 views

MerCruiser Winterization (Raw-Water-Cooled)

... Change engine oil and filter while warm — never store on used oil. 2. **Drain ...

MerCruisersterndrive
2026-07-05 · 1 views

Bilge Pump Setup Done Right

... after? - Check the strainer for debris, oil, and mud; check the hose for cracks ...

2026-07-05 · 2 views
Free to read · maintained by Wolfe & Hoover Marine · mechanics join the network