Motorcycle Four Cycle Gasoline Engine Oil
Amendment and addition to the Application Manual



About the typographical error in the line mentioned under the "Designation Mark"(2006. 06)

The "MOTORCYCLES-FOUR-STROKE CYCLE GASOLINE ENGINE OILS(JASO T 903 : 2006) IMPLEMENTATION MANUAL" was corrected in connection with the typographical error of the line mentioned under the "Designation Mark."

False : Performance is guaranteeing by xxxxxxx Co.,Ltd.
True : Performance is guaranteed by xxxxxxx Co.,Ltd.


Announcement on the revision of the "MOTORCYCLES-FOUR-STROKE CYCLE GASOLINE ENGINE OILS(JASO T 903)IMPLEMENTATION MANUAL"(2006. 4)

We would like to inform you that the JASO engine oil standard implementation panel revised the on-file standard implementation manual according to the revision of " MOTORCYCLES-FOUR-STROKE CYCLE GASOLINE ENGINE Oil Standard (JASO T 903:2006)".

The significant changes in Standard and Application manual of the latest revision include:
(1) Subdivision of the engine performance classification MA.
 MA "MA2 and MA1" 
(2) The set of "Phosphorus content"
Phosphorus content : ≥0.08 and ≤0.12 
(3) The change of Engine oil quality 
The oil quality requirements for API categories are revised to "SG, SH, SJ, SL, SM" or equivalent, eliminating SE and SF.
(4) The adoption of the effective period for standard conformity oil@
Year of Issuance of the Standard First date when Classification Indication is allowed Last date when new filing is accepted Last date when on-filing is maintained
1998 1999 July 1 2006 April 30 2011 April 30
2006 2006 May 1    

(5) The revision of performance display format
(This revised part is shown by the red.)
old manual revision manual
In case of on-file as MA or MB
(X = A or B)
Last date when new filing is accepted :
April 30, 2006
In case of on-file as MA1 or MA2
(Y = 1 or 2)
Reference: About the English edition, the text which is related to the engine performance guarantee in lower part was simplified.(It is only JASO T 903:2006)

Concerning details, please confirm a revision manual(4T_EV0604.pdf).
And old manual is (4T_EV0412.pdf).

* Data submission will be accepted starting April 10, 2006.
* Official commencement of the performance display will be start on May 1, 2006.




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