bypassing kill switch. - Honda ATV Forum
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post #1 of 10 (permalink) Old 05-12-2012, 10:05 AM Thread Starter
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Cool bypassing kill switch.

I have a 90 honda fourtraxx 300 and I need to know how to bypass the run/kill switch to see if it is the reason I am getting no spark. Someone said u can use a jumper wire, but how?
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post #2 of 10 (permalink) Old 05-12-2012, 10:22 AM
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If you jump it then you will close the circuit, therefore kiling the engine. Just trace the wires back from the switch and there should be a green wire and a black or black and white wire. Unplug one or both of the wires and you should be good.

-1986 Honda TRX 250
-1990 Yamaha YFM 250 Moto 4
-1991 Suzuki King Quad 4x4
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post #3 of 10 (permalink) Old 05-12-2012, 10:55 AM Thread Starter
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Ok I unplugged it. Still not starting. What should I move to next? I changed tje stator, rectifyer, cdi bix, and she won't start. There's actually a green and a black and yellow wire. And that goes to the cdi...

Last edited by belswick67; 05-12-2012 at 11:08 AM.
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post #4 of 10 (permalink) Old 05-12-2012, 08:59 PM
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I'm thinking the two wires going into the kill switch HAVE to be connected to eliminate the kill switch
You say you changed the stator, might want to check the gap at the pick-up coil and make sure all connections are good. If that does'nt help with spark at plug, check the wire, then check the two wires going to ignition coil

Last edited by all4honda; 05-12-2012 at 09:08 PM.
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post #5 of 10 (permalink) Old 05-12-2012, 09:35 PM
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X2, find the black wire and the black/white wire going into the kill switch and connect them. If they're not connected, it won't start.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #6 of 10 (permalink) Old 05-13-2012, 09:15 AM Thread Starter
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well, its not my kill switch. cause my engine has no compression. i seem to be the unlucky one here.
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post #7 of 10 (permalink) Old 05-13-2012, 10:58 AM
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No compression,and no fire are 2 non related different problems...Get it to fire first,then if it has sufficient compression which really isn't very much,it should run if it gets gas...Do you have a good,hot battery???Do you have a multi meter??? Does the starter work??? Is the plug any good,have you tried a known good plug instead yet???Is the wiring intact,or has it been cut n spliced anywhere???

FREE REPAIR MANUALS >>http://www.hondaatvforums.net/forums...all-years.html 1986-1992 trx350 parts for sale>>http://www.hondaatvforums.net/forums/atv-parts-sale/29225-complete-part-out-1986-fourtrax-350-a.html
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post #8 of 10 (permalink) Old 05-13-2012, 11:03 AM Thread Starter
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I know bro. what i am saying, is I found out that i have no compression. So i know that's my problem. I have full spark now, and the only problem is what a technician at FunForAll said, is that it sounds like my pistons seem to be ceized. So, off my engine goes. haha, and yes, the starter works. I got all my electrical stuff working perfect. Now i just gotta rebuild the heart of big red. lol
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post #9 of 10 (permalink) Old 05-13-2012, 11:14 AM
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Does the engine turn over??

FREE REPAIR MANUALS >>http://www.hondaatvforums.net/forums...all-years.html 1986-1992 trx350 parts for sale>>http://www.hondaatvforums.net/forums/atv-parts-sale/29225-complete-part-out-1986-fourtrax-350-a.html
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post #10 of 10 (permalink) Old 05-13-2012, 01:07 PM Thread Starter
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Yes it does, BUT he said that there could be a break in the piston, and that the crank is just free spinning, every time i turn it over. what do you think? i just want to get this thing started.. everyone has their opinion, what do you think i should do? i've saw that you are right in most of your helpings, so i want your opinion, to go by. here is what is happening:

I have perfect spark
Turn over engine with electrical start.
It doesn't even try to start.
I spray engine starting fluid in the breather
it tries to start, then makes a VERY loud pop, then won't try to start anymore
then every time i spray, it doesn't do anything, but crank over normally.

then my stepdad comes down (being a diesel mechanic)
puts gas in the breather, puts hand over breather,
says that it isn't sucking his hand, NOR the gas in,
thinks that it is low on compression

what is the next route to go?

Last edited by belswick67; 05-13-2012 at 01:12 PM.
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