Questions & Answers for: Harley Davidson XL 1200 C Sportster Custom fuel mixture

what make your ex-pipe get red hot on a harly normally caused by engine running way to rich or really lean fuel mixture

...the highway. Any soultions would be great. You are experiencing a lean condition (to much air vs fuel) due to your exhaust and k & n filter modifications. This means you'll have to re-jet you ...

...fuel injection is running too lean. A too lean mixture will cause the engine spit back through the intake and run too hot. If it's a carburated bike, you need to go up on step on the slow speed jet ...

...fuel. As for the backfiring and stalling. The engine should idle at about 1000 RPM or so. If it's idled lower thant this, stalling is a possiblity not to mention poor oil of the bottom end. The ...

...fuel problem. A lean mixture will make the engine run hot. Try loosening the fuel cap. Don't take it completely off, just loosen it so that air can get into the tank and ride it. If that cures the ...

fuel air mixture into the pipes. When the plugs start firing again, the combustible mixture in your pipes is ignited with a loud bang. If not, odds are that your problem is indeed fuel related. It may

...a performance oriented shop with a dynometer and an exhaust gas analyzer. Have them check the fuel-air mixture and make any necessary jet changes. That way, you know it's right. Good Luck ...

...fuel air mixture is too lean for some reason. Since I don't work on fuel injected engines, the only thing I can recommend is that you take it to a dealer or aftermarket shop that may can change ...

...fuel mixture screw inside a carb body lug that may or may not be plugged with an aluminum cap that's about 3/16" thick. This cap can be drilled out to acess the air/fuel mixture screw. Turning screw ...

...fuel mixture screw set too lean. 9. Idle port, transfer ports, slow air jet clogged. 10. Slow fuel jet clogged. 11. Faulty fuel pump. For more information about your issue and valuable "Free" ...