Use a 15-40 W engine oil that is JASO MA or MA2 approved, or equally any SF or SG graded oil that is of similar thickness. For a very worn engine you can use a 40 W single grade oil of the afrementioed specifications.
5wt oil. Use Honda oil.
The fuel-oil mixture for Honda 250r 1984 must be 2 percent of syntetic oil .
Honda reconmends HP thans Oil SAE 80W/85W
20:1 oil mix is recommended
10W-40 is what the Honda dealership told me
2 and a half litres exactly
Use the weight specified in your owner's manual.
690ml oil and filter, 660ml for just replacing the oil
30 Straight weight
bellray 80w case saver
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