Quote:
Originally Posted by Osama Radzi
2)Difficult to start. Especially when cold. Once started its easily starts the next day, but If left it for few days, Its difficult to start again.... does anyone has any clue???
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I've had a XR600 for many years and suffered the same problem. Starts fine today or tomorrow but leave it for a week and it won't go. Some years ago on a winter trip to France it took me a complete morning to get it started, much to the annoyance of my companions who were ready to go.
The problem is fuel evaporation / degradation in the float chamber of the carb. After a few days the more volatile components evaporate and what's left won't vaporise enough to start the engine. (at least that's my theory).
The fix is more of a workaround - undo the float chamber drain screw and drain off about a float chamber's worth of fuel - about 40-50ml. If you do it with the fuel tap in the on position it'll flush out the old stuff and refill the chamber as soon as the drain screw is tightened up. It's worked for me every time. I've left the bike for months, flushed the fuel through and had first kick starting (no electric start on the XR)
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