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Post by scootnwinn on Jun 7, 2013 12:35:42 GMT -5
Man I was looking for that picture glad you have it at the ready
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Post by dystopias on Jun 7, 2013 16:09:15 GMT -5
I forgot to post this earlier. this is what my CDI looks like, and I wasn't sure what the orange goo that is coming out of the seems is, I didn't know if it was just excess glue or a sign of a problem . . . thanks. Attachments:
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Post by dystopias on Jun 7, 2013 17:17:53 GMT -5
I don't know, looks like it is all lined up to me . . what should the valves be gapped to? Attachments:
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Post by dystopias on Jun 7, 2013 17:18:47 GMT -5
here's the other picture Attachments:
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Post by scootnwinn on Jun 7, 2013 18:55:32 GMT -5
Looks right. In inches the gap is .004 intake .005 exhaust
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Post by alleyoop on Jun 7, 2013 19:05:29 GMT -5
I forgot to post this earlier. this is what my CDI looks like, and I wasn't sure what the orange goo that is coming out of the seems is, I didn't know if it was just excess glue or a sign of a problem . . . thanks. That CDI overheated it is toast get a new CDI. Alleyoop |
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Post by dystopias on Jun 7, 2013 19:54:42 GMT -5
[replyingto=scootnwinn]scootnwinn[/replyingto]the valves were more or less correct - the exhaust may have been off by a tenth of an inch, but i adjusted them both, still nothing.
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Post by dystopias on Jun 7, 2013 19:55:14 GMT -5
[replyingto=alleyoop]alleyoop[/replyingto]okay, i'll try to get a new one tomorrow. will let you know how it goes.
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Post by dystopias on Jun 8, 2013 13:19:11 GMT -5
[replyingto=dystopias]dystopias[/replyingto]Okay, just spent $50 on a new cdi, plugged it in, tried to start . . . and . . . still nothing.
I assume there is nothing special i need to do other than just plugging it in . ..
what should i try next?
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Post by scootnwinn on Jun 8, 2013 15:04:50 GMT -5
Does it have spark?
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Post by dystopias on Jun 8, 2013 20:18:48 GMT -5
[replyingto=scootnwinn]scootnwinn[/replyingto]yes, when i take out the plug and hold it against the engine and press the starter, it sparks.
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Post by indymoped on Jun 8, 2013 21:39:30 GMT -5
If you have it timed correctly and the engine has compression then there are only 2 things left that could be causing it not to start. 1) You may have spark out in the open air but that does not mean that it is good enough to ignite the fuel mixture when it is compressed inside the cylinder. It takes about 9 times more voltage. So first check your spark plug gap. It should be at .027" If it still doesnt start then you need to check how big of a gap the spark can jump. It should be able to jump a gap of at least 1/4" preferably more. You can either improvise a tool to test this or go buy a spark/ignition tester. Oreillys Sells them. www.oreillyauto.com/site/c/detail/LIS0/50850.oap?ck=Search_50850_-1_1454&keyword=508502) You have a fuel delivery issue. (Check your plug gap first and get back to us before we have you check on this) |
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Post by dystopias on Jun 13, 2013 15:50:44 GMT -5
Okay, finally gave up and took it to shop. Guy says the compression is 60psi, which is low enough that it won't start - so it looks like i need to take it all apart to see where the problem is. while i'm doing that, what should i do to make sure i dont' have problems in the future. when i added the 100cc BBK, i did not do anything to the jet sizes, should I? my mechanic said that it is possible that i didn't break it in properly after the upgrade, which he said can lead to problems . . . how exactly does one break in a BBK? Once i get it apart I'll know what I need to fix - can you fix just the piston, say, or the rings, or do i need to buy a whole new kit? this is the one i put on originally: www.ebay.com/itm/100cc-Big-Bore-Kit-139QMB-GY6-50cc-scooter-parts-gasket-/330459445932?pt=Other_Vehicle_Parts&hash=item4cf0eafaac&vxp=mtrthanks! |
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..BAD TO THE BONE..
