10-20 based on if you spill it alot. Above answer is better left out. Which Nighthawk? I think there is a 250 and a 750. '91-'94 CB 250: 1.4qt (1.3L) 10W40 Honda oil GN4. '91-'93 CB 750 : 2.9qt (2.7L) 10W40 Honda oil GN4.
it shares the same oil as the motor
.028 in.
one down four up
ap.130 top end
undo the bolts numb nuts
I can't really remember, but was it not 3.5 litres? This you can check while the engine is on at idle, check the stick level. ---
You can buy parts for your motorcycle online. Oldbikebarn.com has replacement parts for a Honda CB 750, as does ebay.com. Also check out the classifieds in your local newspaper and any motorcycle shops in your area.
why do we need to maintain tools
I might been biased here; The Honda 750- four, offcourse! Sure, it does not run as smoothly as the CB-500, but, who cares? ---
20w50
3.1 Litres