4T Semi-Synthetic MB

Synthetic Blend Engine Oil for 4-Stroke Cycle Motorcycles, Scooters & ATVs

Kendall® 4T Semi-Synthetic MB is a premium-quality, synthetic blend engine oil designed primarily for use in 4-stroke cycle motorcycles, scooters, and all-terrain vehicles (ATVs). It also may be used as transmission oil in motorcycles and ATVs where the manufacturer specifies the use of motor oil in the transmission.

Features & Benefits

  • Enhanced resistance to viscosity and thermal breakdown at high temperatures
  • Protects against sludge and varnish formation
  • Protects against scuffing and wear
  • High shear stability
  • Protects against rust and bearing corrosion
  • Good resistance to foaming and air entrainment


  • 4-stroke cycle motorcycles, scooters, and ATVs
  • 4-stroke cycle gasoline engines in other mobile or stationary equipment where an API Service SL quality oil is specified

Technical Details


Licenses & Approvals

4T Semi-Synthetic MB meets or exceeds the requirements of and is approved for:

  • JASO T 903:2011 Performance Classification MB

Additional Details

SAE Grade 10W-40
Density, lbs/gal @ 60°F 7.14
Color, ASTM D1500 2.5
Flash Point (COC), °C (°F) 234 (453)
Pour Point, °C (°F) -46 (-51)
Viscosity, Kinematic
cSt @ 40°C 102
cSt @ 100°C 15
Viscosity Index 154
Cold Cranking Viscosity, cP 6184
°C (-25)
High-Temp/High-Shear Viscosity, cP @ 150°C 4.2
Sulfated Ash, ASTM D874, wt % 0.98
Total Base Number (TBN), ASTM D2896 7.7
Phosphorus, wt % 0.114
Zinc, wt % 0.125