Honda 1989 PACIFIC COAST PC800 Owner's Manual page 33

MAJOR COMPONENTS
(Information you need to operate this motorcycle)
Engine Oil Recommendation
USE HONDA 4-STROKE OIL OR AN EQUIVALENT
Use only high detergent, premium quality motor oil certified to
meet US automobile manufacturer's requirements for Service
Classification SE or SF
Motor oils intended for Service SE or SF will show this designation
on the container. The use of special oil additives is unnecessary
and will only increase operating expenses.
CAUTION:
• Engine oil is a major factor affecting the performance and
service life of the engine. Non-detergent, vegetable or
castor based racing oils are not recommended.
Recommended Oil Viscosity
SAE 10W-40
Other viscosities shown in the chart below may be used when
the average temperature in your riding area is within the indicated
range.
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