LUCAS 20W-50 High Mileage Oil Stabilizer for Motorcycles, Pack of 2 — Heavy-Viscosity Engine & Gear Protection

LUCAS Oil 10118 High Mileage Oil Stabilizer (Pack of 2) is an advanced 20W-50 petroleum oil blend designed to reduce friction, quiet engines, and protect high-mileage 4-stroke motorcycle engines, primaries and transmissions.

This formulation grew from LUCAS's racing and gear-oil experience, engineered to offer long-lasting lubrication for air- and water-cooled motorcycle powertrains. It is a heavy-viscosity, 100% petroleum product intended for machines that call for SAE 20W-50 motor oil. Riders and mechanics choose this oil when they want a tougher film that clings to metal surfaces, helps prevent dry starts and improves overall reliability under load.

How does this oil stabilizer improve engine longevity?

LUCAS 20W-50 creates a durable lubricating coating that reduces metal-to-metal contact, which lowers wear in older or heavily used engines. That thicker film is especially helpful during short trips and stop-and-go riding where oil temperatures and flow vary.

• Forms a tenacious film on bearings and gears
• Reduces friction-related heat across surfaces
• Helps prevent wear during cold starts and idling

Will this oil quiet noisy engines and gearboxes?

The blend is formulated to dampen mechanical noise by improving lubricity in tight clearances and worn components. Many users report a noticeable drop in rattle and harsh gear whine after switching to this high-viscosity oil.

• Improves cushioning between metal parts to reduce clatter
• Optimizes gear and primary lubrication under load
• Maintains viscosity at operating temperature for steady protection

Can I use it in both air-cooled and water-cooled motorcycles?

Yes — this product is suitable for both air- and liquid-cooled 4-stroke motorcycle engines, plus primaries and transmissions that specify SAE 20W-50. It is not an additive but a ready-to-use motor oil formulated to meet demanding service conditions.

• Compatible with a wide range of motorcycle engines and gearcases
• Recommended where 20W-50 viscosity is required by the manufacturer
• Useful for high-mileage or heavily loaded machines

How often should I change the oil when using LUCAS 20W-50?

Change intervals depend on riding style, mileage and manufacturer guidelines; this formula is designed to hold up under tougher conditions and can last longer under heavy use. Always follow your engine maker’s recommended service schedule and monitor oil condition between changes.

• Follow OEM interval recommendations as baseline
• Inspect oil for contamination and viscosity loss regularly
• Consider shorter intervals for track or extreme-duty use

Who is this for? Mechanics, motorcycle enthusiasts and riders with high-mileage or performance-focused 4-stroke bikes who need a robust SAE 20W-50 petroleum oil. It’s aimed at people who want a heavier, race-derived oil that improves lubricity, reduces noise and offers dependable protection for engines, primaries and transmissions under demanding conditions.