Due to supply chain constraints, some orders are experiencing longer than normal lead times. Please understand that we are working diligently to fulfill orders as timely as possible. We appreciate your understanding and thank you for your business.

INTERNATIONAL CREDIT CARDS: Unfortunately, our website does not accept international credit cards. If you have any questions, please contact us directly at (707) 745-6100.

 
Find Products
For My Vehicle
You have no items in your shopping cart.

10W40 Motorcycle Oil

The go-to viscosity for sportsbikes with more antiwear than any other on the market.

10W40 Motorcycle Oil

  • As specified for four-stroke motocross bikes, ATVs and sportbikes
  • Superior film strength through the use of ester base stocks for protection and ring seal
  • Extended drain intervals over other brands due to higher quality base stocks and excellent dispersants
  • Blended with specific friction modifiers that are compatible with wet-clutches
  • Suitable for JASO MA/MA2 applications
SKU: 42404
$20.95
Find Near You

Full-synthetic with PAO and Ester base stocks and 2200 ppm of ZDDP for antiwear

Typical Properties

API Service Class SJ/SG/SH JASO MA/MA2
SAE Viscosity Grade (Motor Oil) 10W40
Vis @ 100°C, cSt 14.5
Vis @ 40°C, cSt 89
Viscosity Index 171
CCS Viscosity, Poise, @ °C 64@ -25
Pour Point, °C -45
Pour Point, °F -49
Zinc, avg PPM 2260
Phosphorus, avg PPM 2030
Molybdenum, avg PPM 130
NOACK Evaporation Loss,1hr @ 482°F (250°C), % 5
% Viscosity Loss, 30 Pass ASTM D6278 0
HTHS Vis, cP @150°C, ASTM D4741  4.7

Available Sizes

Quart 42404
5 Gallon* 42406
55 Gallon* 42408

*Only available from our dealers

Suitable Replacement For:

Yamaha ATVs
Yamaha Motorcycles
Yamaha Watercraft