What oils are JASO MA certified?
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Some motorcycles oils known to meet JASO standards:
- JASO MA2: Mobil SUPER MOTO 4T MX 10W-30.
- JASO MA2: Motul 3000 Plus 4T 10W-40.
- JASO MA: Castrol POWER1 4T 10W-40.
- JASO MB: Mobil SUPER MOTO Scooter MX 10W-30.
What does Jaso stand for?

JASO
Acronym | Definition |
---|---|
JASO | July August September October (months) |
JASO | Japanese Automobile Standards Organization |
JASO | Journal of the Anthropological Society of Oxford (est. 1970; Oxford, UK) |
JASO | Japan-America Society of Oregon (est. 1907) |
Can I use MA2 instead of Ma?
Oil is usually used to lubricate the clutch and engine on motorcycles and dirt bikes alike. Instead of using a JASO MA oil, you should use a JASO MA2 oil.
What is JASO MA2 rating?
JASO MA2 – This specification was introduced in 2006 for modern motorcycle engines. As well as being a higher standard of oil the JASO-MA2 approval means the oil is suitable for use in bikes with catalytic converts in the exhaust system. JASO also introduced a rating system for 2 stroke motorcycle oils.

What is JASO oil rating?
In 1998 the Japanese Automotive Standards Organization (or JASO for short) developed a grading system for motorcycle oils. The grading system measured (amongst other things) an oils ability to resist clutch friction (or slippage), protection offered against engine wear and pitting in the gear box.
Is Rotella T5 JASO MA?
The T6 Synthetic 5W-40 and T5 Dino 15-40 are now rated by Shell as Jaso Ma2.
Is Shell Rotella JASO MA?
Shell Rotella T6 Now Meets JASO MA2 – CRF150F/L, CRF230F/L & CRF250F – ThumperTalk.
What are the ISO standards for piston cleanliness?
The ISO standards listed below were developed to address this shortcoming. Their basis is the relevant JASO standard + they require an additional 3h Honda test to be run to quantify piston cleanliness and detergent effect. Same requirements as JASO FB + test for piston cleanliness. Same requirements as JASO FC + test for piston cleanliness.
What is JASO MB grade oil?
Japanese standard for special oil which can be used in 4-stroke motorcycle engine with one oil system for engine, gearbox and wet clutch system. Fluid is non-friction modified. MB grade oils are classified as the lowest friction oils among motorcycle four-cycle oils. Not to be used where a JASO MA grade oil is required.
What is the essential oil standardization committee?
Standardization of methods of analysis and specifications for essential oils. This committee contributes with 8 standards to the following Sustainable Development Goals :
What is ISO 4720?
ISO 4720:2009 gives a list of the botanical names of plants used for the production of essential oils, together with the common names of the essential oils in English and French. ISO 4720:2009 includes an alphabetical index of common names of essential oils in English and French.