Honda Power Products HSS970 Manuel De L'utilisateur page 33

Engine oil level
Inspection:
With the snowblower on a level surface, remove the oil filler cap and
wipe the dipstick clean.
Insert the dipstick into the filler neck, but do not screw it in. Remove
the dipstick and check the oil level.
If the level is low, fill to the upper limit or the top of the oil filler neck
with the recommended oil.
Recommended oil
Use 4-stroke motor oil that meets or
exceeds the requirements for API
service classification SE or later (or
equivalent). Always check the API
service label on the oil container to
be sure it includes the letters SE or
later (or equivalent).
AMBIENT TEMPERATURE
SAE 5W-30 is recommended for
general use.
UPPER LIMIT OIL FILLER CAP AND DIPSTICK
30