,Yoshimura Street R77D Slip-on Exhaust System '11-'15 Kawasaki ZX10R– Motostarz USA,Started my resto tonight on my 72' cr450. Thought it was just locked up but the bottom end was fine and it was the top end. Took off the exhaust and found,Suzuki tc/ts bikes | Facebook,Two-Stroke Fun - 1973 Yamaha RD250 & 1974 Kawasaki 175 - YouTube