2003 Kawasaki KLF250 Service Manual., Page 14Get this manual
GENERAL INFORMATION 1-7 General Specifications
Item Drive Train Primary Reduction System: Type Reduction Ratio Clutch Type Transmission: Type Gear Ratio: 1st 2nd 3rd 4th 5th Reverse Final Drive System: Type Reduction Ratio Overall Drive Ratio (Top Gear) Final Gear Case Oil: Type KLF250-A1 A3
Gear 3.450 (6920) Wet multi disc and centrifugal 5-speed plus reverse, constant mesh, return shift 2.923 (3813) 1.684 (3219) 1.173 (2723) 0.923 (2426) 0.785 (2228) 3.115 (2713 3322) Shaft 4.680 (1815 3910) 12.686 Hypoid gear oil SAE90 (above 5C, 41F) or SAE80 (below 5C, 41F) 0.2 (0.21 US qt) Double tubular 4.0 3.0 10 17 mm (0.67 in