Bel-Ray EXS Full Synthetic Ester 4T Engine Oil - SYN Ester OIL 10w50 1l (12/Cas…

Bel-Ray EXS Full Synthetic Ester 4T engine oil in 10W-50 viscosity, formulated with 100% synthetic ester base oils for superior film strength and thermal stability. Delivers API SN and JASO MA2 certification for all four-stroke motorcycle engines.

Features

• 100% synthetic ester base oils
• Superior film strength for increased component protection
• High viscosity index maintains protection in high temperatures
• Exceptional shear stability resists viscosity breakdown
• Reduced friction lowers engine operating temperatures
• API SN and JASO MA2 certified

Specifications

• Brand: Bel-Ray
• Manufacturer Part #: 99160-B1LW
• UPC: 690509200287
• Viscosity: 10W-50
• Type: Full Synthetic Ester
• Weight: 2.09 lbs
• Package Dimensions: 9 in L x 4 in W x 2 in H

Fitment

Suitable for all four-stroke motorcycle engines requiring 10W-50 synthetic oil that meet API SN and JASO MA2 specifications.

Frequently Asked Questions

What motorcycles does this oil work with?

Bel-Ray EXS is approved for any four-stroke motorcycle engine that requires 10W-50 oil meeting API SN and JASO MA2 standards. Harley and Indian engines are compatible.

Is this oil synthetic?

Yes — 100% synthetic ester base oils provide superior protection and thermal stability compared with mineral or conventional oils.

Why choose 10W-50 viscosity?

10W-50 offers cold-start flow and high-temperature film strength. Use this grade if your bike's service manual specifies 50-weight or 10W-50.

Can I mix this with other brands or mineral oil?

Mixing synthetic and mineral oils is not recommended. Use the same grade and brand throughout your engine for best performance.