8
STEP 4:
1. Lock the saddle (24) on the seat frame (23) with screw (20) and flat washer (21).
2. Lock the backrest (25) on the seat frame (23) with screw (50) and flat washer (49).
3. Fit the back bracket cover to the seat frame (23) with screw (51).
STEP 5:
1. Connect the pulse wire (14) and the extension pulse wire 1 (10) together. Then fasten the handlebar
(15L/R) to the rear main frame (9) tightly with Allen bolt (12), flat washer (21) and acorn nut (6).