SOURCE: odometer not woking on yamaha tw125
Google " motorcycle salvage yamaha ". You should be able to find a good used one there.
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SOURCE: yamaha tw 125 2
ALWAYS have a fire extinguisher at hand when working on carburetors.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).
Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.
Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the carb and spray into the screw holes as well.
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Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. If the problem is still there, the float height needs to be reset. If possible take the carb to a dealer and let them put a float gage to it. Probably cost $15 but call and ask before you take the carb in.
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SOURCE: yamaha tw 125
The noise you hear is valve clatter. You should not adjust your timing chain. Instead get a manual and find the vlave clearances for that bike. (Ex. The exaughst valve may be .006" and the intake valve may be .004") Then you'll need a feeler gauge, and to do this you'll remove the valve covers and get the engine to TDC (Top Dead Center) This is where the piston is at the very top of it's stroke and both valves are shut. (compression stroke) You must then loosen the rocker arm nut to the point that you can insert the feeler gauge between the rocker arm and the top of the valve run the nut down tight to the feeler gauge and then pull gauge out and repeat on the other valve.
SOURCE: remove clutch pack on yamaha tw-200
Remove the side cover that the is hiding behind. The pessure plate is like a car, held on by bolts on its perimeter. Remove the pressure plate and the disc can be remove. Remember the first dis is fiber, the next is metal and on and on. You should end with a fiber against the flywheel. Note how the notches on the tangs are arranged. facing out or facing in, aligned or staggared. Soake the fiber disd in motor cycle motor oil for an hour before assembly. If there is an alen screw with a lock nut in the center of the pressure plat, that is a pusrod and will need adjusting after assembly and before the side cover is put on. If so, let me know. Good LKuck,Ned
SOURCE: what are the valve clearances on a yamaha 125 TW
They are listed in the service manual.
You can download a free one at
http://www.yamaha-motor-europe.com/community/service/manuals.jsp
Good luck!
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