Yamalube Marine Gear Lube HD, 32 oz Part # ACC-GLUBE-HD-QT

OEM Yamaha formula for V8 beasts—one quart covers most F300-F350 or VMAX SHO lower units.

Why high-HP Yamaha owners run HD exclusively

• Extreme pressure fortified – handles V8 gear crush loads at WOT without shearing
• Rust & corrosion inhibitors – shields internals from saltwater bite, even after 100+ hours
• Superior heat dissipation – keeps gearcase temps 15–20 °F cooler under sustained high RPM
• GL-5 rated SAE 80W-90 – meets or exceeds API specs for hypoid gears
• Warranty-safe – Yamaha's official lube; no questions on coverage

Compatibility

Not for other Yamaha outboards—use standard Yamalube Gearcase Lube (ACC-GEARL-UB-QT) instead.

Full Specs

• Original Yamaha Yamalube Marine Gear Lube HD
• 1 quart (32 oz / 946 ml) squeeze bottle
• SAE 80W-90
• API GL-5
• Fortified with technologically-advanced extreme pressure additives to withstand extreme gear contact pressures from V8 motors
• Features unique rust and corrosion inhibitors for saltwater protection
• Recommended for Yamaha V8 F300-F350, V6 VMAX SHO 200-250, and 4.2L Offshore gearcases only
• Optional pump kit: Yamaha ACC-PUMP0-00-QT (sold separately)

60-Second Lower-Unit Oil Change

1. Tilt motor down, remove bottom drain screw.
2. Pump fresh lube in until it drips from the top vent.
3. Install vent screw FIRST, then drain screw (replace gaskets if needed).
4. Wipe, recycle old oil — done.

Genuine Yamaha kits available with pump & gaskets

FAQs

Can I use this in my standard F150 or F200? No—stick to regular Yamalube Gearcase Lube. HD is overkill and could affect shift feel in lower-HP gearcases.

Mixing with standard gear lube? Avoid it—both are GL-5, but HD's additives are tuned for V8 pressures. Full drain recommended.

Electric-shift or pre-2000 models? Not compatible—use Type C or SAE 90 hypoid only. Check your manual.