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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
05-01-2017, 12:38 AM
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Engine Won't Start No Spark Replaced Most Parts
So all of a sudden my gy6 150 engine died and won't start.
I replaced the stator setup I replaced the coil I replaced the cdi I replaced the stator I replaced the spark plug I checked the ground and its solid I charged the battery fully Still no spark. I tested the kill switch wire by grounding 4 and removing 5 pin as I have seen suggested, no success. What could be left.
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Buggy 1 150cc Buggy A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust. Guang Max 150 All stock but to be like Buggy 1 with all koso cvt. Roketa 150 Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats. |
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#2
05-01-2017, 11:06 AM
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Still no spark. I tested the kill switch wire by grounding 4 and removing 5 pin as I have seen suggested, no success.
Not sure what you have tested by description above. To test the kill switch you should have 2 wires going to it. One comes from the ignition the other goes to ground. when you make the switch you ground the ignition killing the engine. Just disconnect the wires from switch and see if you have spark. If you then get spark than switch is bad. If still no spark check the wire going to ignition to ground if grounded than the ignition switch is bad. |
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#3
05-02-2017, 11:53 AM
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I tried a different known good ignition switch and still not spark or run.
I pulled the wires from the kill switch. Again no success.
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Buggy 1 150cc Buggy A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust. Guang Max 150 All stock but to be like Buggy 1 with all koso cvt. Roketa 150 Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats. |
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#5
05-02-2017, 01:29 PM
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I believe so because the cdi green light is on the cdi box.
I was wondering if it could be a ground issue. However, the main ground looks good and well attached to the engine.
__________________
Buggy 1 150cc Buggy A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust. Guang Max 150 All stock but to be like Buggy 1 with all koso cvt. Roketa 150 Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats. |
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#7
05-06-2017, 04:40 PM
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Did you replace with the correct style cdi. Dc or a.c.?
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#8
05-07-2017, 09:48 PM
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Yep I have an AC cdi on it scjeep4.7HO. It is kind of odd because it is an ac system but the lights will work with just key on not running. Also the cdi where there are two wire slots have one wire. I know it is ac but defies the typical AC vs DC cdi wire diagram. If I pull wires off the battery while running it still runs too. When it is working that is.
I have a meter but not sure how to use it to test the system.
__________________
Buggy 1 150cc Buggy A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust. Guang Max 150 All stock but to be like Buggy 1 with all koso cvt. Roketa 150 Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats. |
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#9
05-07-2017, 11:10 PM
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Praise be to the Lord!
I got it running. It turned out that even though I replaced the stator, the new pickup coil that is part of the stator was not close to the stator housing pickup. It was like 3/16" away and did not allow for me to do any more adjustments. So solution was that I pressed the pickup down closest as possible to the housing picking as it could go and then bent it to where it was 17 thousands gap. I guess, the pickup bracket must have had an incorrect bend in it. Thanks
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Buggy 1 150cc Buggy A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust. Guang Max 150 All stock but to be like Buggy 1 with all koso cvt. Roketa 150 Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats. |
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#10
05-08-2017, 07:26 PM
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Good deal I'm glad you figured it out.
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#12
05-09-2017, 01:11 AM
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Thanks guys. I just happened to watch a youtube video and saw the guy say he sets it to 15 thousands or so and so I looked and figured out mine was so far out of tolerance.
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Buggy 1 150cc Buggy A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust. Guang Max 150 All stock but to be like Buggy 1 with all koso cvt. Roketa 150 Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats. |
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#14
05-09-2017, 10:32 AM
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That is what I thought too. This is why I never even suspected it as a problem until I saw the video where the guy adjusted it by pushing it down to 15 thousands and then tightening it. However, as mentioned, mine was so far off that I had know adjustment and ti was still like gigantic gap. I can only imagine it was bent or something.
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Buggy 1 150cc Buggy A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust. Guang Max 150 All stock but to be like Buggy 1 with all koso cvt. Roketa 150 Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats. |
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Good to hear.
