110mm standard
88cc of 5W (in each)
r1 fork oil capacity
321cc +/- 5cc
gpz 305 fork iol is 140 cc per leg
ex250 ninja 2008 10w fork oil, 360 ml and 108 mm air gap
461 cc from empty( forks stripped)
505cc per leg 10 weight
5 oz would be adequate. For a stiifer fork use 10/30 or 10/40 oil.
According to the service manual for the 1989 Kawasaki Ninja 750R (ZX750F), these are the amounts of oil for the front fork tubes: Changing oil: 325ml Complete disassembly: 380+/-4ml The fork oil level (when forks fully compressed) should be at these levels (+/- 2mm): Left tube: 120mm Right tube: 149mm The Ninja 750R is also known as the GPX750R in Europe, and was sold in the US from 1987 to 1990.
588ml dry or ca 500ml oil change
For 2002 ex500 models others will be similar it takes 352ml of oilper fork. 15wt oil is what is manufacures speck for fork oil