Motul 300V Factory Line 10W40 Synthetic Motorcycle Racing Oil 4L — ESTER Core® for Maximum Power & Clutch Compatibility

Motul 300V Factory Line Road Racing 10W40 is a 100% synthetic 4-stroke motorcycle racing oil formulated with ESTER Core® Technology to maximize power, protect high-revving engines, and improve shifting in wet-clutch gearboxes.

Built from ester-based synthetic base stocks and a race-proven additive package, this Motul 300V Factory Line 10W40 oil is engineered for professional and enthusiast riders seeking measurable performance gains without sacrificing durability. The formula targets friction reduction, shear stability, and clutch compatibility so it performs on track and on spirited street rides alike while meeting and exceeding critical motorcycle specifications.

How does Motul 300V 10W40 increase engine power and throttle response?

The ESTER Core® Technology uses polar esters that cling at a molecular level to metal surfaces, lowering internal friction and freeing up hidden horsepower. Reduced friction improves throttle responsiveness and can translate into quicker acceleration, especially under race conditions.

• Polar ester molecules bond to metal surfaces for reduced friction.
• Optimized viscosity (10W40) for stable oil film at race temperatures.
• Engineered to maintain power through sustained high RPM operation.

Will this oil improve shifting and protect my gearbox and clutch?

Yes — the Factory Line formulation is tuned for integrated gearboxes and wet-clutch systems, offering smooth, precise shifts and consistent clutch feel. Additives and base stocks work together to prevent clutch slippage while preserving positive engagement and reducing wear on gears and synchros.

• Compatible with wet clutches; avoids drag or slipping when properly maintained.
• Enhances shift quality for faster, crisper gear changes.
• Protects gearbox components under high load and repeated shifts.

How well does it defend engine components under extreme conditions?

Motul 300V Factory Line delivers high film strength and excellent shear stability, helping preserve clearances and reduce component wear during prolonged high-RPM use. The ester-rich base resists thermal breakdown, helping the oil retain protective properties even when temperatures climb on track.

• High thermal and oxidative stability for sustained protection.
• Strong oil film prevents metal-to-metal contact under load.
• Designed for repeated high-temperature cycles without rapid viscosity loss.

What specifications and applications should I expect from this oil?

This Motul 300V is aimed at modern high-performance 4-stroke motorcycles, including sportbikes with catalytic converters, and it exceeds JASO standards for motorcycle oils. It is intended for both competition and aggressive street use where maximum protection and performance are required.

• 100% synthetic, ester-based formulation optimized for racing.
• Viscosity grade: 10W-40 — suitable for a wide range of temperatures.
• Meets and exceeds JASO motorcycle oil standards for wet-clutch compatibility.

Who is this for? Riders and racing teams who demand factory-line performance: circuit racers, track-day enthusiasts, and sportbike owners who want race-proven lubrication that prioritizes power, protection, and precise shifting. If you operate a high-revving four-stroke engine with an integrated gearbox and wet clutch and you want a lubricant developed from motorsport experience, Motul 300V Factory Line Road Racing 10W40 is formulated to meet those needs.