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I Have A 73 Ironheadz Sportster Not Firingon The Front Cylender


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Old Jul 12th, 2008, 12:06 AM   #1
ironheadz73
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I JUST REBUILT A 73 IRONHEAD N ITS NOT WANTING 2 FIRE ON THE FRONT CYLENDER I HAVE SWITCHED THE PLUG WIRES AROUND SWITCHED THE PLUGS, AND EVEN THE THE WIRES ON THE COIL I HAVE THE POINTS SET AT THE RITE ADJUSTMENT N NO MATTER WHAT I HAVE DONE SO FAR I STILL CANT GET IT TO FIRE ON THE FRONT CYLENDER SO IF U HAVE ANY SUGGESTIONS I HAVE NOT TRYED PLEASE LET ME KNOW...... THANK YOU
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Old Jul 12th, 2008, 01:59 AM   #2
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maybe the coil is bad, did you replace that. have you checked to see if you have juice coming from both wires from the coil, then full juice to the coil. are you getting gas to the front jug to get fire.
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Old Jul 12th, 2008, 03:35 PM   #3
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Might want to check your tuning adj again..make sure push rods are not to tight..also check timing again..dont forget to rotate advance cam to full adv. on the front cyl adv timing mark. when static timing. remember it take 3 things to make it run Spark,fuel,compression..good luck and i like that old school look you built
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Old Jul 13th, 2008, 09:42 PM   #4
ironheadz73
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It was out of time...i checked the compression n it had 160 in the rear cylender and nuthing in the front so i automaticaly figured it was out of time...i took the side cover off n check it with the timming mark it ended up bn way out the previous owner that put it back together had the main crank shaft 180 out so i readjusted it put it back together n walla it worked

Last edited by ironheadz73 : Jul 13th, 2008 at 09:48 PM.
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Old Jul 13th, 2008, 09:49 PM   #5
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glad it worked out for ya!!!!! have fun and stay safe!
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Old Jul 13th, 2008, 11:07 PM   #6
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NOW WE WANT A PICTURE
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Old Jul 14th, 2008, 02:38 AM   #7
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good job..always helps to check everything out ....
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Old Jul 14th, 2008, 03:01 AM   #8
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just wait a little bit n ill post some on here 4 yall 2 drule over when u c the paint job thats bn done 2 it by jack irwin a costum painter i happen 2 know u might have seen his work b 4 u never know.....
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Old Jul 14th, 2008, 07:55 AM   #9
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Glad you got it working

3 things are needed for it to run

Fuel
Fire
Compression

Usually if this happens I pull the plugs and check compression.
Figure if it's firing on the rear it's getting fuel still I check the carb float etc.
Then ignition which is the bugger , coils, wires, plugs, points(in your case) etc.
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