Disassembly and assembly of sprocket
1. Driving sprocket
The driving sprocket is combined with the engine output shaft in the form of spline and fixed with spline baffle or nut. When removing, remove the sprocket cover, remove the chain, unscrew the spline baffle or fixing nut, and then pull out the small sprocket. Assembly shall be carried out in the reverse order.
2. Driven sprocket
① Support the main bow so that the rear wheels are tilted.
② Loosen the fastening nut and adjuster nut of the rear axle and remove the chain box and chain.
③ Disassemble the rear brake pull rod and pull out the rear wheel assembly together.
④ Remove the bolts, nuts or retaining rings that fix the sprocket, and remove the sprocket from the rear hub or pin bolts.
⑤ The installation shall be carried out in the reverse order. Tighten the sprocket fixing nut or bolt (30-50n. M) and the rear axle nut (50-80n. M) according to the specified torque.
