![]() ![]() Ignition coil was at lower end of where it should be on ohms, but close enough I guess. Now I have 14.3 volts, but no change in how it runs. I don't want to break in a new engine with carb problems. ![]() Unless someone really really thinks it could cause big problems. I don't want to drain it and refill because as soon as I get it running right, I'm tearing the engine apart. I've read this can cause problems, but its hard for me to imagine it would cause an engine to run lean. Its not insanely full, but it is overfull. Valves are set right, but engine is full of gas due to the petcock problem. There's no reason the pump shouldn't be working right. I took the fuel pump apart and polished the corrosion off. I had the petcock problem everyone else had and I bypassed that. ![]() So I limp back to the yard fearing I'll be stranded on the road and it runs good again as soon as it hits grass. Then I head for the road to see how fast it will go and it acts like the road scares it LOL! It acts like its out of gas. But what could it be? And sometimes it will rev out nicely. Only electrical things crap out with heat. So even with all this richening, I'm still having to use the choke to idle and oddly enough, I'm having to use it more the hotter the engine gets! Which is making me think its something electrical. Usually carbs are set at 3rd clip (middle one) and mixture screw is 1.5 turns out instead of 2 5/8 like the spec says. Needle clip is per spec at 4 clip from top. I've installed a 140 main in place of the 120 something. I've also installed a 40 pilot jet in place of the 37.5. That didn't seem right to me so I left it at that setting without going fully to. I noticed when I pressed on the float, before it used up the spring inside the needle, the float would hit the carb body. Thanks to oxidized_black, I was able to get the service manual and I set the float just over. It just seems the carb isn't getting enough gas. Anyway, I'm having trouble similar to the OP. This is a neat little forum and every thread I see has replies with reasonable answers, so I signed up in hopes of getting to the bottom of my 300 king quad problems I was using another forum, but it seems I'm the only guy answering questions over there lol. ![]()
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