Spectro 4 should be used according to the manufacturer’s recommended change intervals and viscosity. If no viscosity is recommended, use the 10w40. Spectro 4 motor oil is formulated specifically for use in all racing and high performance / street applications.
Spectro 4 petroleum motorcycle engine oils offer the following specifications for 10w40:
- Kinematic Viscosity @ 100° C cST 14.3
- Kinematic Viscosity @ 40° C cST 97.2
- Flash Point, °C 216
- Pourpoint, °C -29
- Viscosity Index 155
Spectro 4 petroleum engine oils are available in 10w30, 10w40, 20w40, and 20w50 viscosities, select your now before adding to your cart.