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  #1  
Old 03-04-2011, 11:46 AM
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LeGaCyGiAnT124 LeGaCyGiAnT124 is offline
Brandon
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Default 05 450r No Spark

Alright guys, I have an 05 450r that I completely tore down this past fall and started to rebuild. I got a different frame and got it powdercoated and got my motor completely overhauled ( piston, rings, updated crank, head, valves, ect) due to a hole in my inner crankcase halve by the shifter and I cannot get the bike to spark. I have my headlights, tailight, and the old on/off switch eliminated from the bike. So heres how my setup is. I have all 3 of the stator plugs connected properly, the condenser, the CDI Box, the fan is hotwired to run all the time which is the blue plug, then I have a killswitch and it is grounded out the frame and the frame is rubbed down to bare metal, and then the coil is also grounded out to bare frame with another ground behind where it mounts at and then the little slider piece that slides onto the coil and then the thermostat plug. I also have a keyswitch and then the 2 plugs coming from the carb plugged in and then the rectifier. What could I be doing wrong here? Everything worked last year and now I cannot get anything. I even put a spark plug in the spark plug cap to see if that would work but still nothing. I seem to have electrical issues every year with this thing! I doubt it can be the stator because I bought a brand new one last year. I changed CDI Boxes out last May, the fan is newer.

I swapped out cdi boxes, rectifier, and spark plug cap and coil with a buddy of mine and still no spark. The fan spins for a moment when I kick the bike but no spark. I also removed the killswitch and still nothing. Any ideas to try and help me get it together to race sunday?
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  #2  
Old 03-04-2011, 12:28 PM
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check the wires going to the stator i know someone who had a broken wire right at the stator swaped all sorts of elcectrical parts out and that was the problem. hope it helps.
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  #3  
Old 03-04-2011, 12:31 PM
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Quote:
Originally Posted by LeGaCyGiAnT124 View Post
Alright guys, I have an 05 450r that I completely tore down this past fall and started to rebuild. I got a different frame and got it powdercoated and got my motor completely overhauled ( piston, rings, updated crank, head, valves, ect) due to a hole in my inner crankcase halve by the shifter and I cannot get the bike to spark. I have my headlights, tailight, and the old on/off switch eliminated from the bike. So heres how my setup is. I have all 3 of the stator plugs connected properly, the condenser, the CDI Box, the fan is hotwired to run all the time which is the blue plug, then I have a killswitch and it is grounded out the frame and the frame is rubbed down to bare metal, and then the coil is also grounded out to bare frame with another ground behind where it mounts at and then the little slider piece that slides onto the coil and then the thermostat plug. I also have a keyswitch and then the 2 plugs coming from the carb plugged in and then the rectifier. What could I be doing wrong here? Everything worked last year and now I cannot get anything. I even put a spark plug in the spark plug cap to see if that would work but still nothing. I seem to have electrical issues every year with this thing! I doubt it can be the stator because I bought a brand new one last year. I changed CDI Boxes out last May, the fan is newer.

I swapped out cdi boxes, rectifier, and spark plug cap and coil with a buddy of mine and still no spark. The fan spins for a moment when I kick the bike but no spark. I also removed the killswitch and still nothing. Any ideas to try and help me get it together to race sunday?
I don't want to insult your intelligence, but when you were checking for spark, was the base of the spark plug resting on bare metal to ground it"?
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  #4  
Old 03-04-2011, 12:31 PM
duke416ex duke416ex is offline
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I would check the stator again, see if it is within specs in the manual. The fan runs off a different part of the stator than the coil. Have you tried removing the kill switch and making sure it was wired right or that it isn't bad, I have had a couple go out on me before. You might unhook all the elec conn and put some dielectrical grease in them to make sure they are getting good connections.
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  #5  
Old 03-04-2011, 01:28 PM
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Yes, Duke, I removed the killswitch completely. I am going to try a spare stator today just to see if it maybe got damaged when my chain broke the crankcase halve
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  #6  
Old 03-04-2011, 01:36 PM
duke416ex duke416ex is offline
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I just ordered a new stator for a guy a while back who had thrown a chain. Part of the stator that ran the acc. was fine, but it cracked the side cover and ripped a wire off the pickup coil so it had no spark. God luck.
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  #7  
Old 03-04-2011, 04:07 PM
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Brandon
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Whats the easiest way to check to see if the stator is good? I swapped an old stator I had and put it in and still nothing. I just talked to a buddy of mine about that too and he said check and see if something happened to it. I couldn't see any visible damage on it from what I saw but it's possible. I just want to know if the stator is any good instead of swapping things in and out.
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  #8  
Old 03-04-2011, 05:11 PM
duke416ex duke416ex is offline
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If you have a manual it shows steps in there on how to test the stator. You check the voltage while kicking the engine to be sure you are getting enough volts. If you do not have a manual I think you can download one on trx450r.org.
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  #9  
Old 03-08-2011, 10:47 PM
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How exactly do you check a stator with a digital meter? I printed out the wiring diagram and checked where each wire went to and everything checked out good with the meter, meaning no broken wires. The only thing left is the stator but the only one I know how to check is the 3P one with the 3 yellow wires coming from it. How do you check the ignition pulse generator and the exciter coil from the stator? The way I was reading the 3P connecter, which is the charging coil, is reading anywhere from 0.1 to 1.0 Ohms throughout each of the wires. How do you check the others?

I know this sounds really complicated, but would it work if I plugged my stator that is currently in my bike into another running bike to see if then that bike runs with my stator? I could have a buddy come over to do so if needed.

Duke when do I need to kick the bike to get the readings? I am confused on the stator part.
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  #10  
Old 03-08-2011, 10:58 PM
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ill be over tommmorrrowww
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