Harley only one cylinder firing
WebApr 23, 2010 · Switch the plug wires AT THE COIL and see if that makes a difference. If it does, then you have a bad wire, or a bad coil. Test the coil. http://www.harley … WebJul 21, 2011 · Fire it up and wiggle injector wires. Might find that rear cylinder might come back, or come and go. Easy enough to beep out (with an ohm meter), once you gain access to injector wires, and ECM plug. Note: one wire to each injector does not come from ECM, but from 12V supply. You will need a schematic for your scoot. Enjoy, Rich P
Harley only one cylinder firing
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WebApr 17, 2005 · The super was sputtering and running on one cylinder! What's weird is that it would run on one then both then one.. I limped it home like that. At times it would clear up and run great and I thought it was all better, we stopped and got some food and when we left to finish home it was bad again. WebOct 21, 2024 · Must confirm spark to bad cylinder and make sure it is in fact not firing at all. It's possible it is firing but poorly. Compression looks good. Probably an electrical issue. Replace both plugs with new. Replace air cleaner with new. Swap parts around to see if they work on the other cylinder.
WebHarley’s sound different from other motorcycles due to its 45 degree V-twin layout. With both pistons sharing one crankpin journal, the engine fires at 315 and 405 degrees resulting in a “pop pop pause” rhythm. The crank rotates slightly slower after the 405 degree rotation resulting in incomplete combustion on some rotations. WebIt runs like its only hitting on one Evo cylinder sometime. Need Help. My 1988 Springer Softail has had a problem over 5 years, always the same thing. It runs like its only hitting on one Evo cylinder sometime. ...
WebJul 30, 2013 · When it would start it only ran on one cylinder, the front one. The back cylinder is firing, checked by removing the plug and cranking over. Sometimes it will … WebJan 9, 2007 · As mentioned, most engines have a crankpin for each piston, a Harley as only one crankpin, shared by both pistons. That means the pistons go up and down …
WebJul 14, 2005 · With dual fire both plugs fire together, so switch the plugs and see if the problem goes to the to the rear cylinder. If no change, then switch the plug wires at the …
Web200 Shovelhead rear cylinder not firing right.. Checked timing, intake leaks, new plugs. Rear plugs black front plugs still silver with a little buildup. Checked pushrods all finger spin with no slop. When its cold both cylinders fire good once warm the rear seems to die off. tfc stock discussionWebJan 7, 2024 · Rule Out Fueling Issues When you first notice your bike is only running on one cylinder or afterfiring badly from one cylinder , you will want to make sure that the … sygic iconApr 22, 2008 · tfc soccer newsWebMay 27, 2010 · The S50, like all Intruders, need a good carburetor sync, even from the factory. Before it gets too hot, you can feel the cylinder heads, opposite the header side, … sygic helpWebApr 22, 2008 · If it's only running on one cylinder than it could be an intake leak, a hung open or stuck closed valve, a fouled plug, or low compression on that cylinder. If it's electrical it could be a bad ground, a bad coil, any one of the wires in the ignition system, the ignition itself or other compounded issues. tfc stadiums.comWebDec 9, 2013 · Check out coiled spark plug connector wires inside the rubber boots that connect the coil with the spark plug. Sometimes they can move in the boot and not make contact with the connection on either end. Easy fix is to use needle nosed pliers and stretch the coil out on each end. Sent from the Arizona desert. tfc stc 01WebRear cylinder not firing This is an intermittant problem but is occurring more regularly now. Happens when engine is hot and when engine is cold. 96 Harley FXDL, Crane hi 4 single fire ignition, 12.53 volts measured at battery terminals, all electrical connections checked for tightness and cleaned. tfc sojorun wmv