Description
Dumonde Tech L111 Synthetic Two-Stroke Racing Oil
Virtually Eliminates Spooge and Carbon Buildup While Delivering Maximum Engine Power & Protection
Trusted by MSV Racing, top engine builders, and racers worldwide, Dumonde Tech L111 is a 100% synthetic two-stroke racing oil engineered for riders who demand maximum performance, exceptional protection, and clean-burning operation.
Originally developed to meet the demanding standards of Rotax Max kart racing, L111 has become the go-to choice for high-performance motorcycles, ATVs, karts, snowmobiles, hydroplanes, personal watercraft, and other high-output two-stroke engines.
Why Riders Choose L111
✔ Virtually Eliminates Spooge and Carbon Buildup
✔ Trusted by MSV Racing
✔ Extremely Long-Lasting Lubrication
✔ Reduces Friction and Wear
✔ Safe for Premix and Oil Injection Systems
✔ Exceptional Throttle Response
✔ Outstanding Ring Seal and Engine Protection
✔ Designed for High-Performance Powersports Applications
Why Racers Switch to L111
Many synthetic two-stroke oils claim superior protection, but few can match L111's combination of clean-burning characteristics, low carbon buildup, excellent lubrication, and consistent performance under extreme racing conditions.
Unlike many oils that leave excessive carbon deposits, spooge, and power valve contamination, L111 burns exceptionally clean while maintaining the lubrication film needed to protect expensive engine components.
The result is:
✔ Cleaner Pistons
✔ Cleaner Power Valves
✔ Less Exhaust Residue
✔ Reduced Maintenance
✔ Consistent Power Delivery
✔ Longer Engine Life
Race-Proven Performance
L111 was originally developed to satisfy the strict lubrication requirements of Rotax Max kart racing and has since earned a reputation as one of the finest synthetic two-stroke oils available.
Whether you're racing motocross, competing in karting, riding dunes, carving trails, or pushing a snowmobile to its limits, L111 delivers the protection and performance serious riders demand.
Clean Burning Technology
One of the biggest advantages of L111 is its ability to burn remarkably clean.
Benefits include:
- Virtually no spooge
- Minimal carbon buildup
- Reduced smoke
- Cleaner exhaust systems
- Cleaner power valves
- Reduced maintenance intervals
Even at aggressive 18:1 to 20:1 mix ratios, L111 continues to provide exceptional protection while maintaining clean combustion.
Superior Engine Protection
L111 is engineered to provide outstanding protection for:
- Pistons
- Rings
- Cylinder Walls
- Rod Bearings
- Crank Bearings
- Power Valves
The advanced synthetic formula maintains a strong lubrication film under extreme temperatures and loads while helping reduce friction and wear.
Flexible Application
L111 performs exceptionally well in:
- Premix Applications
- Oil Injection Systems
Ideal for:
- Motorcycles
- ATVs
- UTVs
- Karts
- Snowmobiles
- Hydroplanes
- Personal Watercraft
Trusted by the Experts
Dumonde Tech L111 is heavily endorsed by respected two-stroke engine builders and tuners including Dave Moore (Dave Moore Racing) and Arlen Lehman (LED Performance).
Known by many racers as the "no-brainer synthetic," L111 delivers race-proven performance straight out of the bottle.
Upgrade to Dumonde Tech L111 Today
If you're looking for cleaner operation, superior protection, improved throttle response, and longer engine life, Dumonde Tech L111 is one of the best synthetic two-stroke oils available.
Keep your engine cleaner, stronger, and protected with Dumonde Tech L111 Synthetic Two-Stroke Racing Oil.


