Originally Posted by zenduddhist
2009 Sherpa: I too have a hard time with cold start. Already added the 130 main jet and 20 pilot jet. What I found is that if I loosen the screw that allows the float bowl to drain, and leave it open until I get a nice flow coming for about 5 seconds, then shut the drain screw, it will start easier. Sometimes, that is on the only way to get it to start. Sounds like I am not getting enough fuel after it sits awhile? Maybe too much?
Also, probably related, I took the fuel tank off the bike and I can't get the fuel to completely stop coming out of the bottom of the petcock. I have tried it in both the "on" position and the "reserve" position. Obviously, when I put it in "prime" position, I get a lot of gas coming out, but when I switch to "on" or "reserve" it still drips.
Hmm. Did you adjust the screw in the carb when you did the jets? If you're not letting the bike sit for a while, it shouldn't need any priming. If it sits for more than several days, you might flip the petcock to "prime" for ~10 seconds or so, then try to start the bike. Don't forget to flip it back to "on" (down) once running. Maybe try a different brand of gas for your next tank as well? Might be getting some suspect gas and the water is separating in the float bowl.