10w40, or 20w50
No will not fit
take oil out put oil in
The answer to this depends on what kind of oil you are talking about. If you put a heavier weight oil (like 5 weight) in your car instead of say,30 weight, it will cause your car to act sluggish in the cold weather because the oil is thicker. If you put a lighter weight (30 weight ) in a vehicle that needs a heavier oil, the car will still run but not as well as using the correct type of oil. If you put transmission oil in your car's engine oil pan by mistake; you should empty out the oil pan immediately (when the oil and car are cold) and flush it or refill it with the correct oil as soon as you have realized it was the wrong oil.
80/85 weight
SAE 10w30 weight synthetic oil.
Well, the weight of the freezer will change when something is put in, but the freezing of these materials will NOT change their weight.
1000 cc
i would fit it by not being shy about taking the front of the bandit.and then attempting to mount the gsxr 1000 front end in the bearing hole .make sure the bearings have no loose play of course.i would try to mount the gsxr bearings with the front if it fits.then tighten the main bolt to specs.if it feels rite then use the handlebars ,and brakes from the gsxr,i would also buy or use the gsxr rim with calipers. Bleed your brakes,check over everything 100 times for safety.mount all your handlebar electronic switches and throttle.basically just take it apart and reassemble with your gsxr front.If you cant do it you can put the original back together.Check out a magazine called Streetfighters printed in U.K. the mag costs $9.99 at the local mall book store.they do alot of these swaps.
5-20 It says that right where you put the oil in.
The oil light is turning on BECAUSE you put in the lighter weight oil. older engines need the thicker oil.
Same oil you put in a car. Just make sure to use the correct weight.
5W30