1973 Kawasaki KX450 ISDT Prototype. These bikes used the production 450 motocross engine while the chassis was built in-house at the R&D Department in Santa Ana, California.
Via Twowheels+.
1973 Kawasaki KX450 ISDT Prototype. These bikes used the production 450 motocross engine while the chassis was built in-house at the R&D Department in Santa Ana, California.
Via Twowheels+.