Honda 1981 GL1100 interstate Owner's Manual page 47

Engine Oil Recommendation
USE HONDA 4-STROKts OIL OR AN
EQ UI V A L E N T,
Use only high detergent, premium quality
motor oil certified to meet or exceed
U.S . a u l om o b ile m a n u fa ct urer' s req uire-
ments for SeFice Classification SE. Motor
oils intended for Service SE will show this
designation on the container. The use of
special oil additives is unnecessary and will
only increase operating expenses.
CAUTIONI
* Engine oil is a mdjor factor affecting the
performance
and setr[ce life oJ the
engine. Non-deteryent, vegetable, or
castor based ruci g oils are not rec'
o m me nd e d .
Recommended 0il Viscosity
sAE l0w-40
Other
viscosities shown in the
below may be used when the
temperaturc in your riding area is
the indicated range.
cnart
averaSe
within
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