Recommended Engine Oil; Engine Oil Filter - Honda GL1800 Service Manual

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Insert the dipstick without screwing it in, remove it

and check the oil level.

If the oil level is below or near the lower level mark

on the dipstick, add the recommended oil up to the

upper level mark.

RECOMMENDED ENGINE OIL:

Pro Honda GN4 or HP4 (without molybdenum

additives) 4-stroke oil or equivalent motor oil

API service classification: SG or higher

JASO T 903 standard: MA

Viscosity: SAE 10W-40

• Other viscosities shown in the chart may be

used when the average temperature in your

riding area is within the indicated range.

Reinstall the oil filler cap/dipstick.

Install the right engine side cover (page 2-5).

For engine oil change, see page 3-12.

• Change the oil with the engine warm and the

motorcycle on its side stand to assure complete

and rapid draining.

Warm up the engine.

Stop the engine and remove the following:

– right engine side cover (page 2-5)

– front lower fairing (page 2-6)

Remove oil filler cap/dipstick and drain bolt, and

drain the oil.

Remove the oil filter cartridge and let the remaining

oil drain out.

Oil filter wrench

07HAA–PJ70100

IL VISC SITIES

IL DRAIN B LT