Honda NSS300A Owner's Manual page 83

If a fuse fails repeatedly, you likely have an
electrical fault. Have your scooter inspected by
your dealer.
Engine Oil
Engine oil consumption varies and oil quality
deteriorates according to riding conditions and
time elapsed.
Check the engine oil level regularly, and add the
recommended engine oil if necessary. Dirty oil
or old oil should be changed as soon as
possible.
#
Selecting the Engine Oil
For recommended engine oil, see
"Specifications." P. 146
2
If you use non-Honda engine oil, check the
label to make sure that the oil satisfies all of the
following standards:
JASO T 903 standard
●
SAE standard : 10W-30
*2
●
API classification : SG or higher
*3
●
: MB
*1
Maintenance Fundamentals
*1. The JASO T 903 standard is an index for engine
oils for 4-stroke motorcycle engines. There are
two classes: MA and MB. For example, the
following label shows the MB classification.
Oil code
MB
Oil classification
*2. The SAE standard grades oils by their viscosity.
The API classification specifies the quality and
*3.
performance rating of engine oils. Use SG or
higher oils, excluding oils marked as "Energy
Conserving" or "Resource Conserving" on the
circular API service symbol.
Not recommended Recommended
79