G9 timing issue

grantspec · 12-23-2018, 04:11 PM

Hello all,

My g9 has this problem where it will run but will bog and not make much power until thoroughly warmed up. I checked the ignition timing with the light and it seems like it is not advancing at all when cold (firing right at TDC). I’m thinking this is probably a problem with the ignitor but it seems odd that it starts running normally after driving for a bit. Any ideas or other things to check?

Anyone have a spare ignitor that they would like to sell?

Thanks everyone and Merry Christmas!

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sho305 · 12-23-2018, 07:23 PM

They are not cheap. Usually when they fail they stay advanced all the time and do not retard at low rpm. They go full advance at 2800rpm iirc. They can get worse or do that when hot and be ok when cold....both weather temp and engine temp. Some of them short out inside and you move the plug around they work or not. There is not much you can do with them other than swapping it out with a good one to test them or checking the wiring. Its common to have bad grounds and connections on these carts. The grounds are all wired there is no frame ground other than the engine, its all wired to battery negative or the solenoid negative.

grantspec · 12-23-2018, 08:49 PM

Quote:

Originally Posted by sho305

They are not cheap. Usually when they fail they stay advanced all the time and do not retard at low rpm. They go full advance at 2800rpm iirc. They can get worse or do that when hot and be ok when cold....both weather temp and engine temp. Some of them short out inside and you move the plug around they work or not. There is not much you can do with them other than swapping it out with a good one to test them or checking the wiring. Its common to have bad grounds and connections on these carts. The grounds are all wired there is no frame ground other than the engine, its all wired to battery negative or the solenoid negative.

It looks like you can get a new aftermarket ignitor from a few places for ~$120. Do these work ok?

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CP241 · 12-23-2018, 09:47 PM

Quote:

Originally Posted by grantspec

It looks like you can get a new aftermarket ignitor from a few places for ~$120. Do these work ok?

Sent from my iPhone using Tapatalk

No!

Stay far, far, far away from those. They are complete JUNK. Trust me, I learned the hard way.

cgtech · 12-25-2018, 01:20 PM

Don't throw away your money on aftermarket ignitors!

12-23-2018, 04:11 PM	#1
grantspec Getting Wild Join Date: Mar 2018 Posts: 105	G9 timing issue Hello all, My g9 has this problem where it will run but will bog and not make much power until thoroughly warmed up. I checked the ignition timing with the light and it seems like it is not advancing at all when cold (firing right at TDC). I’m thinking this is probably a problem with the ignitor but it seems odd that it starts running normally after driving for a bit. Any ideas or other things to check? Anyone have a spare ignitor that they would like to sell? Thanks everyone and Merry Christmas! Sent from my iPhone using Tapatalk
grantspec Getting Wild Join Date: Mar 2018 Posts: 105

12-23-2018, 07:23 PM	#2
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,443	Re: G9 timing issue They are not cheap. Usually when they fail they stay advanced all the time and do not retard at low rpm. They go full advance at 2800rpm iirc. They can get worse or do that when hot and be ok when cold....both weather temp and engine temp. Some of them short out inside and you move the plug around they work or not. There is not much you can do with them other than swapping it out with a good one to test them or checking the wiring. Its common to have bad grounds and connections on these carts. The grounds are all wired there is no frame ground other than the engine, its all wired to battery negative or the solenoid negative.

12-25-2018, 01:20 PM	#5
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G9 timing issue Don't throw away your money on aftermarket ignitors!

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