07 420 ignition timing. HELP - Honda ATV Forum
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post #1 of 9 (permalink) Old 03-24-2011, 04:26 PM Thread Starter
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07 420 ignition timing. HELP

how do i set the ignition timing? any help is much appreciated. thanks
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post #2 of 9 (permalink) Old 03-24-2011, 04:31 PM
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post #3 of 9 (permalink) Old 03-24-2011, 04:34 PM
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Welcome to the forums. There's no way to adjust the ignition timing as the timing advance is built into the function of the CDI. You can check the ignition timing, but you can't adjust it.

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.

Last edited by Helmut; 03-24-2011 at 04:37 PM.
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post #4 of 9 (permalink) Old 03-24-2011, 04:35 PM
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You can find a link to the service manual in the manuals/schematics section of this forum.

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 #5 of 9 (permalink) Old 03-24-2011, 04:38 PM Thread Starter
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see my drain plug threads broke off in my case. i took my engine out and the case ends off each side to remove the drain plug threads. so gears kept sliding out. i thought i had everything back the way it was but it wouldnt start. i got spark fuel air and compression. what am i doing wrong?
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post #6 of 9 (permalink) Old 03-24-2011, 08:59 PM
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Quote:
Originally Posted by 79andy79 View Post
see my drain plug threads broke off in my case. i took my engine out and the case ends off each side to remove the drain plug threads. so gears kept sliding out. i thought i had everything back the way it was but it wouldnt start. i got spark fuel air and compression. what am i doing wrong?
you some how didn't get your timming set right..by this..i mean you didn't set your crank..cam..valves for the bike to fire at the right time, this is where your timming chain..valves and crank come into play, if you don't get all of these set right..not only will you not get the motor to run..but you risk doing alot of motor damage to your engine..such as valves getting smacked by your piston..destroying your piston and valves.

'89 trx350D foreman 4x4...'85 vf700c magna, '83 cx650c , '03 trx450fm foreman 4x4 , 2015 Yamaha waverunner fx cruiser ho
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post #7 of 9 (permalink) Old 03-25-2011, 04:03 PM Thread Starter
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crank and cam wasnt ever out. it was trans gears that was sliding out. and it isnt a chain motor as far as i know. its gear to gear.
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post #8 of 9 (permalink) Old 03-25-2011, 04:27 PM
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crank and cam wasnt ever out. it was trans gears that was sliding out. and it isnt a chain motor as far as i know. its gear to gear.
Actually, it's not gear to gear, it does have a timing chain. The timing chain and cam are behind the front crankcase cover on the 420 Rancher.

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 #9 of 9 (permalink) Old 03-26-2011, 06:27 AM Thread Starter
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well i didnt have that off so thats shouldnt be out
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