90790-BS811 Yamaha GL5 Gear Case Lube 750ml | Genuine OEM Yamaha Outboard Part
90790-BS811 Yamaha GL5 Gear Case Lube 750ml | Genuine OEM Yamaha Outboard Part
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🔧 Product Description
Genuine Yamalube SAE 90 GL-5 Gearcase Lubricant - Part Number: 90790-BS811
Genuine Yamalube high-performance lower-unit gear oil formulated for heavily loaded Yamaha outboard gearcases.
The SAE 90 GL-5 lubricant contains extreme-pressure, anti-corrosion, oxidation-control and anti-foaming additives for high-output V6 and V8 lower units.
⚙️ Key Features
- Genuine Yamalube OEM gearcase lubricant
- Correct Yamaha part number 90790-BS811
- SAE 90 viscosity grade
- API GL-5 extreme-pressure performance
- Supplied in a 750ml squeeze bottle
🚤 Compatibility
Commonly used on
- Yamaha high-output V6 and V8 lower units
- Offshore, VMAX SHO and high-performance gearcases
Typically suits
- Engine models:
- Yamaha V6 and V8 outboards approximately 200HP to 350HP
- Yamaha F200, F225 and F250 high-output gearcases
- Yamaha F300 and F350 V8 applications where GL-5 SAE 90 is specified
- Yamaha VF200 and VF250 VMAX SHO
- Yamaha 4.2L V6 Offshore engines from approximately 2010 onward
- Conventional and counter-rotation lower units requiring Yamaha GL-5 lubricant
- Product Type: SAE 90 API GL-5 marine gear oil
- Container Size: 750ml
- Application: High-load Yamaha outboard gearcases.
🔌 Function
The lubricant protects gears, bearings and shafts under high tooth pressure while resisting water contamination, oxidation, corrosion and foaming.
⚠️ Common Signs of Failure
- Oil appears milky or water-contaminated
- Metal particles are present
- Gearcase becomes noisy
- Lubricant is dark or burnt
- Service interval has been reached
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 90790-BS811 current Yamaha 750ml GL-5 gear-lube package reference
OEM / Related Numbers
- 90790-BS811
- Yamalube GL-5 gearcase lubricant
- Yamalube SAE 90 lower-unit oil
- 750ml squeeze bottle
Aftermarket / Verified Equivalents
- Marine SAE 90 GL-5 gear lubricant approved for the applicable Yamaha gearcase
- Quicksilver High Performance Gear Lube where an equivalent marine GL-5 lubricant is permitted
- Sierra high-performance marine gear lubricant
📦 Condition
- Genuine Yamaha product
- Brand new
- Supplied in original packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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