In order to replace the choke cable, you must take the carburetor off. Start by taking the air filter assembly off the engine, including the backing plate. Then, disconnect the fuel line, drop the choke cable from it's bracket on the left side of the bike, and loosen and disconnect the throttle cables. There is a vacuum line that plugs onto either the back of the carburetor or the intake manifold. Once all this is loose, pull the carb out of the intake seal and guide the choke cable out of with the carb.
Now, that you have the carb out, using a 14mm wrench, unscrew the choke cable where it goes into the carb. You'll have to take the plunger and spring off the old cable and put it on the new cable. The screw it back into the carb.
Reconnect the throttle cables and vacuum lines and install the carb back into the intake using a new intake manifold seal. If you don't replace this seal, you may wind up with a vacuum leak and have running problems. Reinstall the fuel line and air cleaner assembly. Adjust the throttle cables and make sure the carb works correctly. Never lubricate the choke cable. If you do, it will not stay out when you pull it out. There is knurled tension wheel behind the knob when you pull the knob out. Tighten or loosen the tension on the cable with this. Do not over-tighten the big nut on the backside or the cable housing will break,, cheap plastic stuff.
Good Luck
Steve
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