RE: WR 400 Cold start problem?

00 Yamaha WR 400 F discussion forum:


RE: WR 400 Cold start problem?

RE: WR 400 Cold start problem? 
Tomppa said 2002-07-08 22:28 
 
Here it is:
1. Fully open the cold start knob (the black knob on the side of the carb., pull it out)
2. Without pulling the decompression lever, slowly depress the kick starter until the compression stroke is found (when considerable resistance of the kick starter is felt, the engine is on the compression stroke). If the engine is on the exhaust stroke, resistance is only felt when the kick starter is initially depressed, not through the entire range of depression (as when the engine is on the compression stroke); therefore, depress the kick starter a few more times.
3. Pull the decompression lever to the handlebar and depress the kick starter 10-30 degrees only.
4. Release the decompression lever and RETURN the kick starter to it´s original position and THEN kick the kick starter.

That should do it if you do it exactly as above.

The spark plug you´re using is the right one (other option in the manual is U24ESR-N Denso).  
 
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