Description
Comparison points and tradeoffs
When comparing Quicksilver SAE 90 Gear Lube Compatible with Yamaha Outboards with other Gear Oils options, use this source-backed detail as the primary discriminator: We know what is best for your engine. We design products to fit all types of marine engines, no matter the brand.
Use this second fact to evaluate the tradeoff: Compatible with Yamaha Outboards. A third point to compare across alternatives is: Application note: About this item Compatible with Yamaha Outboards Formulated to protect against corrosion and excessive wear Delivers maximum protection against corrosion and wear to help extend gear life, and even protects if water penetrates the gearcase.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
From the manufacturer
Why Quicksilver?
Performance
All Quicksilver products are produced to match Mercury Marine’s stringent original equipment manufacturer performance specifications.
Protection
We know what is best for your engine. We design products to fit all types of marine engines, no matter the brand.
Peace Of Mind
We validate product; quality and integrity are paramount. Buying Quicksilver is buying performance, protection, and peace of mind.
The Quicksilver Promise
Quicksilver products are designed and validated by a company that builds marine engines. We know what is best for your engine. We design products to fit all types of marine engines, no matter the brand. We validate product; quality and integrity are paramount. Quicksilver is performance, protection, and peace of mind.
Source product highlights
About this item
- Compatible with Yamaha Outboards
- Formulated to protect against corrosion and excessive wear
- Delivers maximum protection against corrosion and wear to help extend gear life, and even protects if water penetrates the gearcase.
- Formulated with advanced additives, Quicksilver gear lube outperforms automotive gear oil in marine applications.




Roy Childres 3rd. Generation –
Perfect for Changing lower unit fluid on Mercury 250 xs