10W-50 Synthetic Dirt Bike Oil
Key Benefits
🏍️ Excellent Clutch Feel & Durability
-
Specially formulated with enhanced friction durability to:
-
Reduce clutch slippage
-
Minimize clutch wear
-
Eliminate clutch chatter
-
-
Ensures consistent and confident clutch performance for riders during races or off-road adventures.
🧪 Clutch Feel Testing:
-
In simulated race-start conditions over 32 laps, AMSOIL 10W-50 maintained:
-
Consistent clutch feel
-
Clean clutch components with minimal wear
-
-
In contrast, OEM-filled oils showed a noticeable decline in clutch performance after only 16 laps. The clutch plates were discolored and visibly worn (as illustrated in test visuals).
⚙️ Exceptional Wear Protection
-
Designed to withstand extremely high RPMs, heat, and shearing forces in off-road riding.
-
Blended from high-quality synthetic base stocks with AMSOIL’s proprietary anti-wear additives.
-
Creates a strong protective film on vital engine components:
-
Gears
-
Pistons
-
Bearings
-
-
Supports peak engine performance under extreme stress.
🏁 Competition-Tested, Race-Proven
-
This oil is developed and validated through real-world racing with support from professional riders.
-
Data from track performance, field testing, and lab analysis are used to fine-tune the formulation.
-
The result is a high-performance oil that delivers optimal clutch control and wear protection tailored for serious off-road riders.
🔧 Recommended Applications
-
Designed for off-road motorcycles requiring SAE 10W-50, such as:
-
KTM®, Yamaha®, Kawasaki®, Suzuki®, Husqvarna®, and other bikes where 10W-50 is specified.
-
-
Also suitable as a direct replacement for Motorex® Cross Power 4T.
🏷️ Meets or Exceeds the Following Standards:
-
JASO MA (wet clutch compatibility)
-
API SG, SJ, SH, SL
🔄 Oil Change Interval
-
Follow the OEM-recommended oil change intervals as stated in the motorcycle’s service manual.
-
Designed for rugged conditions, but service life depends on use case (e.g., racing vs. recreational riding).
TYPICAL TECHNICAL PROPERTIES | |
AMSOIL 10W-50 Synthetic Dirt Bike (DB50) | |
Kinematic Viscosity @ 100°C, cSt (ASTM D445) | 18.1 |
Kinematic Viscosity @ 40°C, cSt (ASTM D445) | 121.9 |
Viscosity Index (ASTM D2270) | 165 |
Flash Point, °C (°F) (ASTM D92) | 240 (464) |
Fire Point, ºC (ºF) (ASTM D92) | 258 (496) |
Pour Point, °C (°F) (ASTM D97) | -38 (-36) |
NOACK Volatility, % weight loss (g/100g) (ASTM D5800) | 5.5 |
High-Temperature/High-Shear Viscosity @150ºC, 1.4 x 106 s-1, cP (ASTM D5481) | 4.9 |
Four-Ball Wear Test (ASTM D4192 @ 40 kgf, 150°C, 1800 rpm, 1 hr) scar, mm | 0.39 |
Foam (ASTM D5182, Sequence I, II & III) | 0/0, 20/0, 0/0 |
Total Base Number | 6.62 |