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carb issues on my warrior
Hi guys.
I have an 87 warrior, sent the motor out for UPGRADES a while ago. Had it bored, stroked, ported, polished, cammed, and resprung. when I got it back, it ran awesome. then I got married, had a couple kids, and never rode it. For about 7 years. (I know, and I am ashamed of the minus man points too). Anyhoo, I have been working on it and it is back up and running, but not so good. It starts immediately, idles well, and has good low rpm power. Then there is a very rough section of rpm's, the engine spits and coughs, but if you feather it just right, you can get through it. Then from about 3/4 to wide open throttle, it runs perfect again. The carb has been cleaned and recleaned, but I cant get it to quit that. Where do I go next? (I'm quite sure I must be missing something, but cant seem to find it on my own). Thanks, John PS any idea what performance issues would be from running too low a grade of fuel? (other than pinging, which I dont hear) |
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For what you have done. You need to run premium fuel if not racing fuel. Ok you either need to rejet your carb, or adjust your air fuel mixture. I do not know if you are starving the engine for gas or choking it out during that point it runs rough. But it is an air mixture or jetting issue with the carb. |
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Verrill: Plug Color Chart Last edited by bigcountrysg : 08-17-2007 at 09:28 AM. |
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Combustion deposits are slight and not heavy enough to cause any detrimental effect on engine performance. Note the brown to greyish tan color, and minimal amount of electrode erosion which clearly indicates the plug is in the correct heat range and has been operating in a "healthy" engine. |
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Anyway - something simple - have you ran a couple of tanks of fuel thru it? I had the exact set up on my 87 Warrior. After I let it sit I had to get a new carb. |
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