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Post by sterling150 on Sept 27, 2015 18:04:10 GMT -5
It seems like the black and red wire going into the two prong of the cdi is grounding out. The kill wire above it seems to be working.
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Post by tvnacman on Sept 27, 2015 18:16:01 GMT -5
so when everything is in the run position , is the black/white wire making ground? (on the cdi two pin plug)
John
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Post by sterling150 on Sept 27, 2015 19:22:52 GMT -5
No, not the black/white wire. I just clipped that wire to make sure it wasn't grounding with no luck. I'm not getting any power from the stator black/red wire. I'm thinking I need to order a new stator and cdi. I'm not sure if its a 6 or 8 coil as I can't get the flywheel off until I get that damn puller. Should I just order the 8?
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Post by lain on Sept 28, 2015 0:00:54 GMT -5
No, not the black/white wire. I just clipped that wire to make sure it wasn't grounding with no luck. I'm not getting any power from the stator black/red wire. I'm thinking I need to order a new stator and cdi. I'm not sure if its a 6 or 8 coil as I can't get the flywheel off until I get that damn puller. Should I just order the 8? Didn't you say you had power to the coil? The 8 and 6 pole are interchangeable, the 8 pole is considered an upgrade from 6. Make sure to get one with the same wires and connector. |
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Post by dollartwentyfive on Sept 28, 2015 3:57:06 GMT -5
It has been sitting a while. I got it without a key so I took the ignition apart and am turning the rear part plastic ignition, but all the lights work and motor turns over good with the starter. Both coils I've tried have same resistance reading, all well as anther one I tested. I've tried three different plug wires, 3 spark plugs. Cleaned the ground s on the frame and valve cover. I don't understand what could be causing the issue. the problem could be the ignition switch itself. part of the job of the ingition switch is to act as a kill switch for the pulse pickup in the off position. since color codes aren't standardized on chinese scoots i can only offer a suggestion. there should be a stripped wire running to the switch. cut this wire in such a way that you can re attach it if needed. the wire on my bike was red/yellow stripped. the ignition switch grounds this wire to kill the motor. if you go this route, remember that you must ground this wire manually to kill the engine. if the above works, then the problem is definitely the switch. let us know. |
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Post by dyoung1167 on Sept 29, 2015 10:16:01 GMT -5
i saw stated that your cdi charging voltage (from the stator) should be 17.5vac? that is way too low and sounds more like the lighting voltage and may have been a mistype. this should be much closer to 80 - 100 vac and even as high as the 120's, although i seem to remember someone saying the lowest of around 50v would still allow a weak but workable spark. that said i don't know if these cdi's do any form of stepping up the voltage (i don't think so) but it should at least be the same only dc when the pulse from the cdi is sent to the coil where it is stepped up considerably (somewhere around 10,000vdc or higher and unfortunately i doubt there any regular meters that have a range high enough to test this) in order for it to "jump" the gap in the plug.
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Post by tvnacman on Sept 29, 2015 15:43:33 GMT -5
pictures of the stator plug and the od measurements will tell the story. If you have a 6 pole stator you will need to replace the magneto if you want to in stall an 8 pole.
John
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Post by sterling150 on Sept 30, 2015 23:18:16 GMT -5
Took the stator out and it smelt burnt. Don't know if that means anything. Put in new stator and "racing" cdi and I now have a strong spark, so obviously one or both of those were bad. Got it to start on starting fluid, cleaned carb, and hopefully it should be running in the next 1/2 hour.
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Post by sterling150 on Oct 13, 2015 20:18:10 GMT -5
Update:
So I got the scooter running, have been riding it since Friday. I don't think I got the flywheel all the way back on. I tightened the but as much as I could but I have no way to hold keep the flywheel from spinning. Anyways the whit plastic fan came into contact with the outside housing and broke it. Now I am rolling with no fan on the flywheel. Seems to be OK, I don't think anything is going to get crazy hot. Thoughts?
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Post by JoeyBee on Oct 13, 2015 20:36:15 GMT -5
Do not ride without the fan!! These are air-cooled engines, and that fan is the source of the air. You are going to cause major problems running without it and overheat your engine.
Park it and wait for a new fan.
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Post by sterling150 on Oct 13, 2015 22:37:23 GMT -5
Well my shroud is all busted and gone as is the fan. I can't park it, have to get to work so need to figure out something at least temporaryly. What about cigarette light fan set on high blowing over the engine? I feel like that would move a lot of air.
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Post by steve on Oct 16, 2015 5:26:07 GMT -5
There should be a woodruff key on the shaft that the flywheel goes on. There is a notch in the flywheel that fits over this woodruff key. You may have either
1) just put the flywheel back on without lining it up, or
2) Knocked the woodruff key out of the shaft when removing the flywheel. You can order the woodruff keys on Scrappydog's, or ebay.
You are going to do 2 things, both very bad, by continuing to run it as is.
The flywheel is off balance, and is going to ruin the crankshaft bearings.
And, you are going to burn your engine up without the fan.
If you are going to run it without a fan, you are better off removing the plastic engine shroud(the black plastic that covers the engine) altogether. If it is cool outside, it will cool it while you are moving. If you idle it for any amount of time, or are not moving above 15 mph, you can burn it up very quickly. I would turn the engine off if you have to idle it for more than 15 seconds.
You need to get a new fan, and engine shroud.
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Post by tvnacman on Oct 17, 2015 7:14:39 GMT -5
when you will need to rebuild the engine start a new thread.
John
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Post by lain on Oct 17, 2015 9:43:14 GMT -5
Go back and reinstall the flywheel properly. I use a $20 electric emergency impact wrench from harbor freight and kobalt impact sockets from lowes, works great for everything scooter. If your flywheel fan came in contact with the shroud your flywheel must not be tightened down all the way or the fan. Use some loctite for installation, I use red on things like the flywheel since you do not plan to service it often.
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