ZETA Throttle Tube ze45-8123 F5174 ZETA ZETA throttle tube F5174. See if it fits your bike. Kawasaki KLX 125 Kawasaki KLX 125 D-Tracker Kawasaki KLX 150 Kawasaki KLX 250 D-Tracker Kawasaki KLX 250 D-Tracker X Kawasaki KLX 300 Kawasaki KX 250 F Kawasaki KX 450 F Suzuki 250 SB