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Post by manwithabike on Feb 15, 2011 6:41:01 GMT -5
thank you for that link i dowloaded it that will come in realy handy when this bloody rain stops lol |
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Post by manwithabike on Feb 15, 2011 10:00:01 GMT -5
the lower screw is the af screw the upper is the throttle stop i would set the af to 1.5 turns out the spec is 1+- but less then 1 and more then 2 needs a pilot jet adjusment right i have cleaned the filter and carb  took reeds out cant see anything wrong with them like new  done adjustments on carb put it all back together wont start on the button  but starts first time with a kick  now back to square one  |
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Post by Rebel on Feb 15, 2011 12:46:14 GMT -5
So what is it doing when you hit the start button. Does it do nothing at all?
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Feb 15, 2011 16:08:17 GMT -5
ok well its not bakc to square one because you are starting know on the first kick this is another little bug
like reble says does it do anything at all when you hit the starter
first thing i would do is check your voltage on the battery if you have been working on it and cranking your battery may just be dead or weak and not spinning the motor fast enough
if the voltage is good check your fuse and ensure the brake light is coming on when you squeeze the brakes
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Post by manwithabike on Feb 16, 2011 6:54:33 GMT -5
ok its looking a little better now it is starting on the button runs for a few secs then dies so it now must be fuel ? but have petrol going to the carb and the battery is fully charged, i went to it today after leaving it stood overnight and it went on the button but then dies |
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Post by manwithabike on Feb 16, 2011 10:47:41 GMT -5
ok i have been working on the thing again today;) just remembered one day last week i was riding the bike then all of a sudden the thing conked out wouldnt start at all pushed the dam thing home kicked it and it started? i had it running today but only for a short while then it would conk out leave it for half hour try it again and it would do the same thing so when it stoped i put a spark plug on the lead and no spark put anothe spark plug on and it sparked a couple of times then stoped sparking so is this another problem or is it part of the first problem how can i test the coil to see if it is faulty
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Post by Rebel on Feb 16, 2011 12:13:54 GMT -5
That manual probably has a procedure for checking out the coil. Coil problems can be a real pain and honestly I'd consider just replacing the coil and the CDI just to have a fresh ignition system.
You said that it starts right up when you kick start it, does it keep running then too? It would be very strange if it only died after using the starter button.
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Post by manwithabike on Feb 16, 2011 12:31:50 GMT -5
That manual probably has a procedure for checking out the coil. Coil problems can be a real pain and honestly I'd consider just replacing the coil and the CDI just to have a fresh ignition system. You said that it starts right up when you kick start it, does it keep running then too? It would be very strange if it only died after using the starter button. it dont matter if i kick it or start it on button it will run for short while then conk out now it wont start at all no spark it says somthin about the coil but i dont understand a word of it lol |
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Post by Rebel on Feb 16, 2011 14:15:11 GMT -5
If the spark is going away after it runs for a little, I think you need to change out the CDI and/or the coil. The one that fails to most is the CDI, so you might want to start there, but the fact that it runs for a little makes me wonder if your coil is bad. A wire within the coil may be broken and makes a contact when it is cold, after warming up the contact breaks and stops it from working, it happens.
So I suggest changing those and hopefully it will solve the problem, the other thing to do if you want before you spend money is to take all the body panels off and go looking for a poor connection in the wiring, bad ground, corroded connections, loose wires. Fix all those and coat them with silicone or electrical grease.
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Feb 16, 2011 18:06:35 GMT -5
yeah intermitent no spark issues are a nightmare
like reble said start with a coil and cdi
if its a direct plug in i sugest the lc super 9 cdi its not restricted you may have to ask on a kymco board to know if its a direct swap or talk to the guy that runs scooterinvasion he is a whizz with kymcos
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Post by manwithabike on Feb 16, 2011 20:02:09 GMT -5
thanks guys will look into it in the next day or so and will get back to you thanks once again
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Post by Rebel on Feb 17, 2011 0:12:03 GMT -5
I just hope you find the problem. Like Jmkjr72 says, intermittent spark problems can be a real pain in the rear to fix. The problem is that it can be one of many things and you just have to start from one end and go to the other to find it.
Check out the wiring diagram in that manual and isolate the ignition/starting system and look at those wires most closely.
I once had a pick up truck that would run great and then sometimes absolutely nothing at all, wouldn't start, wouldn't turn over, no power or it was fine. Turned out that the ground off the battery was not tight. I had just rebuilt the motor and didn't get the battery cable attached properly, I felt pretty stupid for that, especially when a buddy of mine saw me working on it and he just went over and moved the cable then said "Hey stupid, tighten this down" problem was fixed.
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jmkjr72
contributing staff
Commander 132nd Northern Cav. Division
Posts: 2,779
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Post by jmkjr72 on Feb 17, 2011 15:45:25 GMT -5
yeah i had a intermitent spark issue on my stella or should say poor spark
the shop tested the coil and it tested good swaped out the cdi thought that was it
2 days later same issue again spark would cut out every now i temporarly dissabled the kill switch still had the issue
turns out the rivit that holds the ground from the coil to the part that bolts to the engine was loose
so yeah it can be hard to trace down
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Post by manwithabike on Feb 21, 2011 9:39:37 GMT -5
well took the scoot to the garage turns out cdi gone so fault found for £25 so i need a cdi for my kymco zx 50 wheres the best and cheepest place to get one the guy in the garage wanted £90 for one
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Post by Rebel on Feb 21, 2011 12:36:31 GMT -5
I'm not positive the CDI from a regular Chinese GY6 will work on a Kymco, but try our two advertisers at the top left hand side of the screen, McDonough and Scappydog. One issue might be shipping from the USA to your side of the ocean. You can go to their web pages and check them out. After that I'd go look on EBay.
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took reeds out cant see anything wrong with them like new 
done adjustments on carb put it all back together wont start on the button 
but starts first time with a kick 
now back to square one 
