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| Motorized Bicycle Trouble Shooting Use this area to post problems that may arise that you could use some help in figuring out what is wrong with their bicycle motor and what needs to be done to achieve top performance. |
No Spark
Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle Trouble Shooting forum. really getting frustrated, i have no spark at all what shall i do guys?? I took the plug out and ...  | | 
07-03-2008, 12:50 PM
| | Motorized Bicycle Member | | Join Date: Jun 2008
Posts: 42
| |  No Spark
really getting frustrated, i have no spark at all what shall i do guys?? I took the plug out and laid it in the head lifted the rear end of the bike and turned it over i saw no spark at all. The stock wire that came with the bike was to small for the tip of the plug NGK(B5H5) so I went to the auto part store and got a wire. screwed the wire onto the ignition unit and the other end to the plug still nothing. I dont know what to do. I even poured a little fuel/oil mix direclty in the cylinder and still no fire. What next????? |
07-03-2008, 12:55 PM
|  | LORD VADER Moderator | | Join Date: Jan 2008 Location: pampa texas
Posts: 2,094
| |  Re: No Spark
your wires all connected and tight at the cdi no bare wires shorting things out you also using a copper core sparkplug wire plug gapped at about 0.017 even though the instructions say 0.028
New clean plug?
last ditch effort hold on to the plug wire and turn over the engine if you have spark it will be a shocking experience. Don't do it if you have a bad heart get a kid to be the sucker/I mean tester. 
Norman |
07-03-2008, 01:02 PM
| | Motorized Bicycle Member | | Join Date: Jun 2008
Posts: 42
| | Re: No Spark
ok norman thanks but what kind if wire do you have cause the one that came with my kits sucks so i bought a automotive one and kinda rigged it. |
07-03-2008, 02:11 PM
|  | Godfather of Motorized Bicycles | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 7,121
| | Re: No Spark
7mm screws it into the CDI. Unhook your kill switch.
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If it ain't broke, and you mess with it long enough, it will be. |
07-03-2008, 04:54 PM
| | LORD VADER Moderator | | Join Date: Jan 2008 Location: pampa texas
Posts: 2,094
| | Re: No Spark
I run the stock china plug wire with no problems on 2 bikes. And one bike I do have a industrial copper core plug wire with a racing kart plug boot that does not require that the top tip of the plug unscrews.
Norman |
07-03-2008, 06:22 PM
| | Motorized Bicycle Member | | Join Date: Jun 2008
Posts: 42
| | Re: No Spark
Bike guy joe what do you mean 7mm screws?? |
07-03-2008, 08:01 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Treasure Coast, Florida
Posts: 747
| | Re: No Spark
7mm wire screws into the CDI unit, and into the stock plug cap.........
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"No such thing as a stupid question, just a stupid answer"
48cc Grubee Starfire Round Head......
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07-04-2008, 10:49 AM
| | Godfather of Motorized Bicycles | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 7,121
| | Re: No Spark
Thank you.
__________________
If it ain't broke, and you mess with it long enough, it will be. |
07-04-2008, 01:05 PM
| | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Treasure Coast, Florida
Posts: 747
| | Re: No Spark
Anytime.... 
__________________
"No such thing as a stupid question, just a stupid answer"
48cc Grubee Starfire Round Head......
|
07-13-2008, 11:38 PM
| | Motorized Bicycle Elite Member | | Join Date: Jun 2008
Posts: 139
| | Re: No Spark
what was the outcome? i have similar problem | | Thread Tools | | | | Display Modes |  Linear Mode | 
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