NewBee just finished up 660 r1 build GO FAST!!!
Have had few franken stine rocket quads. Set out to build my own. 00 r1 motor fz1 carbs yoshi pipe + 8 tyson swingarm 12 -60 sprockets (running a 5.0 gear neck brace needed lol) used frame uprights from fz1. Motor bolts in and out of quad in under 10 min. All working components from bike front and rear blinkers hazrds hi/low beams brake. Even put the horn on built this thing for street or strip. All that's left is powder coat and wrap plastics