Machine went through a puddle. Nothing new for years, this puddle was minor compared to the many puddles for many years. So...?? what gives??
The machine would not start again after it was shut off. Ok, let's check fuel and spark. Well, simple took the plug out, with coil wire attached...put spark plug on motor to ground it. Got spark. Ok, let's check fuel...after the 4th crank fuel comes out the overflow due to the auto choke remaining closed.( auto choke does not open, the Mag is supposed to tell it to open, clue here?) (observation, the spark and arc....seems to be all the time as the key is turned and starter is cranking...seems to be very little break between spark at the tip...just something seems off here)(CDI timing is off?)
Tried machine again...put a little gas in plug hole before putting plug back in...still NOTHING!
Ok, took plug back out put it on ground....turned over....now I notice it sparks and arc's from both the tip and the ground part of the plug!! (back of my mind...I keep saying CDI BOX...CDI box..umm?)
But then my mind says...primary pulse coil in stater area? Then my mind says spark plug coil..??
Out of interest, I took off the spark plug boot...it's the kind that has a resistor in it. I test is...NO 5 ohms. I grab one from a small engine check that one...5ohms. umm? ok took out the screw and out drops a fuse looking resistor..I check that...by itself...no dice. then I put my meter probe way in and the other end without resistor in it...NO ohms... ?? in my life time I've NEVER had a "boot" or such be a major issue where the machine will not start or run.(any takers here?)
I then said, I should take the spark plug coil off the machine to run a check on that if can, and check the wire coming from the pulse coil.(or through the CDI box first?) Battery is already disconnected and the key is out ... white/blue stripe wire is off...I got a shock from removing the coil touching ground? or did my fat fingers in a cramped area touch ground and the flat prong? Regardless it was not a major shock, but unexpected. Ok, it's time to do some research and find what other's have learned that I may not have picked up on. My research brings me to different makes, models, forums and the such.
Here was what was said...
" The voltage on the green wire must be pulsating when cranking/starting the bike, not steady. Confirm by similarly testing the voltage on the black wire on the left ignition coil. If the green still reads a constant voltage, then the CDI is faulty; to be more specific, most likely that the switching transistor inside the CDI that drives the right ignition coil has shorted. "
I also thought this tread that happen to be in a Honda Forum was interesting...as I wanted to learn more about the AC/DC factor that feeds the CDI....https://lilhonda.com/index.php?threads/from-weak-to-no-spark-cdi-help-please.12079/
The above info seems to apply to a Honda, but the concept is similar? This is my question;;;;;...........
What I have on the CAT is a white wire with blue strip that goes to the spark plug coil, and of course black for ground and the other end were the spark plug goes in. I have a cluster of wires that go into the CDI box...I would like to figure out exactly what color wire is for what. Like... the voltage wire that must be "pulsating"-not steady... and so on.
Anyone know of where I can find a color chart of the wires and exactly what and where those wires pertain to? In my firm educated guess..I feel the CDI box is at fault.. but it would be nice to try and rule out a few things..after all the CDI box on this thing is NOT cheap...the other stuff is fairly priced. As the old man said....why buy the most expensive part first, when there's all the small things it uses to run off of .....that one might be the real issue. Give your thoughts...hey, I could be overlooking something ...or forgetting a simple task, test, check...etc....Thanks in Advance
The machine would not start again after it was shut off. Ok, let's check fuel and spark. Well, simple took the plug out, with coil wire attached...put spark plug on motor to ground it. Got spark. Ok, let's check fuel...after the 4th crank fuel comes out the overflow due to the auto choke remaining closed.( auto choke does not open, the Mag is supposed to tell it to open, clue here?) (observation, the spark and arc....seems to be all the time as the key is turned and starter is cranking...seems to be very little break between spark at the tip...just something seems off here)(CDI timing is off?)
Tried machine again...put a little gas in plug hole before putting plug back in...still NOTHING!
Ok, took plug back out put it on ground....turned over....now I notice it sparks and arc's from both the tip and the ground part of the plug!! (back of my mind...I keep saying CDI BOX...CDI box..umm?)
But then my mind says...primary pulse coil in stater area? Then my mind says spark plug coil..??
Out of interest, I took off the spark plug boot...it's the kind that has a resistor in it. I test is...NO 5 ohms. I grab one from a small engine check that one...5ohms. umm? ok took out the screw and out drops a fuse looking resistor..I check that...by itself...no dice. then I put my meter probe way in and the other end without resistor in it...NO ohms... ?? in my life time I've NEVER had a "boot" or such be a major issue where the machine will not start or run.(any takers here?)
I then said, I should take the spark plug coil off the machine to run a check on that if can, and check the wire coming from the pulse coil.(or through the CDI box first?) Battery is already disconnected and the key is out ... white/blue stripe wire is off...I got a shock from removing the coil touching ground? or did my fat fingers in a cramped area touch ground and the flat prong? Regardless it was not a major shock, but unexpected. Ok, it's time to do some research and find what other's have learned that I may not have picked up on. My research brings me to different makes, models, forums and the such.
Here was what was said...
" The voltage on the green wire must be pulsating when cranking/starting the bike, not steady. Confirm by similarly testing the voltage on the black wire on the left ignition coil. If the green still reads a constant voltage, then the CDI is faulty; to be more specific, most likely that the switching transistor inside the CDI that drives the right ignition coil has shorted. "
I also thought this tread that happen to be in a Honda Forum was interesting...as I wanted to learn more about the AC/DC factor that feeds the CDI....https://lilhonda.com/index.php?threads/from-weak-to-no-spark-cdi-help-please.12079/
The above info seems to apply to a Honda, but the concept is similar? This is my question;;;;;...........
What I have on the CAT is a white wire with blue strip that goes to the spark plug coil, and of course black for ground and the other end were the spark plug goes in. I have a cluster of wires that go into the CDI box...I would like to figure out exactly what color wire is for what. Like... the voltage wire that must be "pulsating"-not steady... and so on.
Anyone know of where I can find a color chart of the wires and exactly what and where those wires pertain to? In my firm educated guess..I feel the CDI box is at fault.. but it would be nice to try and rule out a few things..after all the CDI box on this thing is NOT cheap...the other stuff is fairly priced. As the old man said....why buy the most expensive part first, when there's all the small things it uses to run off of .....that one might be the real issue. Give your thoughts...hey, I could be overlooking something ...or forgetting a simple task, test, check...etc....Thanks in Advance
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