Description

Bel-Ray Thumper Racing Synthetic 10W-40

Engineered for Track Dominance & Street Reliability

Ideal for competitive riders seeking peak performance in air/liquid-cooled 4-stroke motorcycles (including dual-sports and adventure bikes), this racing-grade oil combines synthetic ester technology with advanced additive systems to deliver unmatched protection under extreme conditions.

Why Racers Choose This Formula
Dual-Cooling Compatibility: Optimized thermal stability protects both air-cooled trail bikes and liquid-cooled race machines from heat-induced viscosity breakdown
Clutch-Friendly Lubricity: JASO MA2 certification ensures smooth power delivery without compromising wet clutch durability during 30+ minute moto sessions
Precision Component Care: Advanced anti-wear agents form diamond-like carbon layers on valve trains (up to 50% more durable than conventional oils) and piston rings
Weatherproof Performance: -30°C to 150°C operating range maintains optimal lubrication during desert Nationals heatwaves or Canadian winter track days

Technical Advantages Over Competitors

Feature Bel-Ray Thumper Competitor Avg
Wear Protection (ASTM D4172) 2.1mm/min* 3.8mm/min
Clutch Slip Resistance <5% slippage* >12% slippage
Thermal Breakdown Temp 260°C+ 230°C

*Tested per OEM motorcycle manufacturer standards

Application Scenarios
– Endurance racing (AMA/ISDE events)
– Motocross nationals & supercross circuits
– Adventure bike expeditions (Dakar-style terrain)
– Factory-backed race team equipment

Technical Compliance
API SN • JASO MA2 • ISO VG 15 • ACEA C3

Packaged in pressure-resistant containers with UV inhibitors to maintain performance integrity during global shipping to riders worldwide.

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