MBK 51 J moped spare parts: new and used, original and adaptable parts. 51 J MBK parts available: fairing (plastics, stickers, fenders, ...), electricity (ignition, battery, meter, turn signals, headlight, ...), engine part (carburettor, cylinder, piston, exhaust, variator, ...), part cycle (chain, fork, shock absorber, rim, tire, brake, saddle, rear view mirror, ...).