March 18th, 2013, 03:56 PM | #1 |
ninjette.org member
Name: Mat
Location: Tasmania
Join Date: Nov 2012 Motorcycle(s): 2X GPX250'S Posts: 33
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coil question
do the coils have to be earthed on the frame to work? (noticed their metal where its screws to the frame) going to try starting the spare engine I got ages ago today but wasn't sure about that one, suppose I could just turn it over and find out but im assuming they do. thought id ask anyway:P
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March 19th, 2013, 07:12 AM | #2 |
Daily Ninjette rider
Name: Hernan
Location: Florida
Join Date: Mar 2011 Motorcycle(s): 2007 Ninja 250 Posts: A lot.
MOTY - 2016, MOTM - Dec '12, Jan '14, Jan '15, May '16
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No, they can work away from the frame.
See the schematic: http://faq.ninja250.org/wiki/Ignition_circuit_schematic
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March 19th, 2013, 09:24 AM | #3 |
wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
Blog Entries: 5
MOTM - Oct '12, Feb '14
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the bike shares a common ground. the engine is also grounded. so if your CDI is grounded (has to be to have power), then your coil charge will always have somewhere to go (so long as the plug is touching the engine-- or anything else grounded)
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March 19th, 2013, 03:09 PM | #4 |
ninjette.org member
Name: Mat
Location: Tasmania
Join Date: Nov 2012 Motorcycle(s): 2X GPX250'S Posts: 33
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thanks, makes sense to me, i ended going for a trip to a mates and grabbing a spare frame to put it in anyway and bolted it in and got it all wired up accept i have no throttle control or killswitch/starter. ive started them before by wiring it all so its turned on the second it touches a battery and then just touch the starter wires together, gonna give it a go today.
was going to yesterday but for some reason the dash wasnt working when i turned it on (but the temp guage moved slightly). there is alot more difference in wiring between a 89 and a 94 than i expected lol. |
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