J Mac
Senior Member
Offline
Laissez Les Bon Temps Roulez
Posts: 407
Louisiana, USA
Gender:
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Hello,
I recently did the half-spacer mod and backed the mixture screw out 2.5 turns from fully closed. A couple weeks ago I turned it in 1/4 turn, so it's backed out 2.25 turns. It has been starting/running well. The super-humid weather here in Houston finally hit this week, and it seems like the bike is harder to start and needs almost no choke. I feel like I need to blip the throttle to get it going (which we're not supposed to do). The last 2 rides, I've been stalling out at stoplights before the engine is warm. The choke is sensitive. When it's warm, it behaves like normal. It's got 4200 miles, and I can't see why the plug would be bad. Plus, when it warms up, it runs like a champ. It's got the stock jet, and I have no plans to mess with the jet right now. For those at sea level and high humidity, what do you think the proper mixture screw setting is w/stock jet and 1/2 spacer? Since the air is so dense, maybe I need to back it out again to 2.5 (or more)?? I never stalled out at a light before I messed with the factory settings. Oh, and the idle is SLOW before it warms up, so slow that it stalls like I said. It used to be that the middle choke click made for a fast warm-up idle. Maybe tweaking that thumb idle screw is what I need. I'm curious as to how the increased heat/humidity affects this whole equation. Thanks!
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