SAE 10w30 100% synthetic.
660 cm2
About 650 ml.
The 1986 Honda Rebel has no external oil filter. There is an oil filtering screen just below the oil pump in the engine crankcase.
0.9 quarts or one liter.
Under the crankcase, centrally and a bit to the left side.
4 quarts with filter change
20/50 or 20/30
crankcase oil is the oil in the engine .some call it crankcase oil some call it engine oil
1.9 US qts. Be sure to drain oilpan AND crankcase when changing oil.
On the right side and at the front of the crankcase.
How much engine oil does a 1982 Honda Nighthawk 650 take? 3.4 quarts
Honda manual " Pour the recommended oil into the crankcase, approximately 1.0 US qt (0.9L, 0.8 Imp qt). Check with the dipstick not screwed in.