Transmission Oil - Honda CRF250R Owner's Manual & Competition Handbook

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Refer to Safety Precautions on page 19.
Using the proper oil, and regularly checking,
adding, and changing oil will help extend the
service life of the transmission and clutch. Even
the best oil wears out. Changing oil helps get rid
of dirt and deposits. Operating the engine with
old or dirty oil can damage your engine.
Running the engine with insufficient oil can
cause serious damage to the engine and
transmission.
Oil Recommendation
API classification SG or higher except oils
(4-stroke engine oil labeled as energy
only) conserving on the circular
API service label
Viscosity SAE 10W-30
(weight)
JASO T903 MA
standard
others without friction modifiers as
molybdenum additives
suggested oil Honda "4-STROKE
MOTORCYCLE OIL" or
equivalent
• Your CRF does not need oil additives. Use the
recommended oil.
• Do not use oils with graphite or molybdenum
additives. They may adversely affect clutch
operation.
• Do not use API SH or higher 4-stroke engine
oils displaying a circular API "energy
conserving" service label on the container.
They may affect lubrication and clutch
performance.
NOT RECOMMENDED OK
Other viscosities shown in the following chart
may be used when the average temperature in
your riding area is within the indicated range.

Transmission Oil

JASO T 903 standard
The JASO T 903 standard is an index for engine
oils for 4-stroke motorcycle engines.
There are two classes: MA and MB.
Oil conforming to the standard is labeled on the
oil container. For example, the following label
shows the MA classification.
(1)
(2)
(2)
(1) code number of the sales company of the oil
(2) oil classification
Servicing Your Honda
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