Motorcycles; motorcycle engines; motorcycle motors; motorcycle structural parts, namely, couplings, axle covers, axle spacers, battery cushions, battery straps, belt guards, brake calipers, brake hangers, brake lines, brake pads, brake rotors, cable covers, charging systems, clutches, clutch cables, clutch cable covers, clutch pushrods, clutch shells, disc rotor vents, drive belts, fender paint savers, fork stops, fork tubes, fork tube lugs, fuel tanks, handle bar controls, handle bar dampeners, handle bar risers, handle bars, handle grips, headlight mounting blocks, horn with covers, idle cables, inner primary covers, inverted front ends, jumper harnesses, key switch covers, kick stands, kicker arms, license plate frames, mini horns, mirrors, motor mount spacers, outer primary covers, primary covers, primary drives, primary spacers, rotor spacers, rubber isolators, shifter rods, shocks, swing-arm bumpers, triple trees, turn signal mounts, upper leg bushings, vapor valves, voltage regulator mount, transmissions, transmission cases, shock absorber kits consisting primarily of shocks, air compressors, control switches and electrical wiring for air adjustable shocks, and handle bar control kits consisting primarily of handlebars, hand controls, switches and switch housings