Transmission Oil
56 Servicing Your Honda
Transmission Oil
Refer to Safety Precautions on page 27.
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 clutch and transmission.
• 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.
Other viscosities shown in the following chart may
be used when the average temperature in your
riding area is within the indicated range.
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.
Oil Recommendation
API classification
(4-stroke engine oil
only)
SG or higher except oils
labeled as energy
conserving on the circular
API service label
viscosity
(weight)
SAE 10W-30
JASO T903
standard
MA
others without friction modifiers as
molybdenum additives
suggested oil Honda “4-STROKE
MOTORCYCLE OIL” or
equivalent
(1) code number of the sales company of the oil
(2) oil classification
PRODUCT MEETING JASO T 903
COMPANY GUARANTEEING THIS MA PERFORMANCE:
CRF450R.book Page 56 Thursday, July 8, 2010 9:34 AM
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