G2 Ignitor

Justinmg · 03-10-2016, 12:14 PM

I have a g2 that i suspect the ignitor is bad. The cart runs it's just low on power and sometimes backfires through the carb. and sometimes it runs just like it should. I looked over all the wire connections and grounds replaced most of the vacuum lines. I was wondering if a g9 ignitor will work?

Spicyunicorn · 03-10-2016, 01:22 PM

check and make sure no leaks/cracks broken straps in air box sounds like similar symptoms

smallblock450sl · 03-10-2016, 08:16 PM

Sorry a G9 ignitor, will not interchange with a G2 ignitor.

cgtech · 03-11-2016, 01:40 AM

I have seen strange performance issues with a failing ignitor for sure. There is pretty much no interchange between models for ignitors that i can think of.

Justinmg · 03-11-2016, 11:55 AM

Quote:

Originally Posted by Spicyunicorn

check and make sure no leaks/cracks broken straps in air box sounds like similar symptoms

I removed air box cleaned it up and looked it over good. Put it back on and still runs the same.

ski-doo583 · 03-12-2016, 09:50 AM

Try putting a ground cable directly from the negative post of the battery to the engine. I've seen many Yamaha gas carts do weird things all because of a bad ground.

Sent from my iPhone using Tapatalk

CAMPERCART2013 · 03-12-2016, 10:04 AM

Get a spark tester

smallblock450sl · 03-12-2016, 11:46 AM

I use mine almost everyday at the shop

On a side note...Had a G9 yesterday with little spark, cranked over fine, but popping out of the carb. It was actually losing 12 volts positive to the ignitor. Found the fuse and holder correded. Repaced fuse holder and fuse...fired up with great spark! Good luck with your's.

sho305 · 03-12-2016, 05:41 PM

Sometimes they fail when hot, sometimes people squeeze them and they work (bad connection inside?), sometimes they work ok at high rpm because they stop retarding the timing at low rpm. Best thing to do is swap another cart to find out. Battery cable issues are something very common, also the small wire connections. I agree get a spark tester they are cheap, you can look at the spark and know what you have. Try a new plug the ngk bprs2es iirc, for newer yamaha carts.

I thought you could use a G9 ignitor in a G2 people were doing that to get rid of the limiter, but you had to change one wire its different.

cgtech · 03-13-2016, 09:06 AM

As far as hacking up the "plug area" to put a different ignitor in, that would work for G2 & G9. The plug is not similar, but the parts that make the spark timing different should work on G2 & G9.

03-10-2016, 12:14 PM	#1
Justinmg Not Yet Wild Join Date: Mar 2016 Posts: 4	G2 Ignitor I have a g2 that i suspect the ignitor is bad. The cart runs it's just low on power and sometimes backfires through the carb. and sometimes it runs just like it should. I looked over all the wire connections and grounds replaced most of the vacuum lines. I was wondering if a g9 ignitor will work?
Justinmg Not Yet Wild Join Date: Mar 2016 Posts: 4

03-10-2016, 01:22 PM	#2
Spicyunicorn Gone Wild Join Date: Jun 2015 Location: NW Iowa Posts: 1,669	Re: G2 Ignitor check and make sure no leaks/cracks broken straps in air box sounds like similar symptoms

03-10-2016, 08:16 PM	#3
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,875	Re: G2 Ignitor Sorry a G9 ignitor, will not interchange with a G2 ignitor.

03-11-2016, 01:40 AM	#4
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G2 Ignitor I have seen strange performance issues with a failing ignitor for sure. There is pretty much no interchange between models for ignitors that i can think of.

03-12-2016, 10:04 AM	#7
CAMPERCART2013 Gone Wild Join Date: Nov 2013 Posts: 1,088	Re: G2 Ignitor Get a spark tester

Today
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03-12-2016, 09:50 AM	#6
ski-doo583 Getting Wild Join Date: Oct 2010 Location: Michigan Posts: 117	Try putting a ground cable directly from the negative post of the battery to the engine. I've seen many Yamaha gas carts do weird things all because of a bad ground. Sent from my iPhone using Tapatalk

03-12-2016, 11:46 AM	#8
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,875	Re: G2 Ignitor I use mine almost everyday at the shop On a side note...Had a G9 yesterday with little spark, cranked over fine, but popping out of the carb. It was actually losing 12 volts positive to the ignitor. Found the fuse and holder correded. Repaced fuse holder and fuse...fired up with great spark! Good luck with your's.

03-12-2016, 05:41 PM	#9
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,445	Re: G2 Ignitor Sometimes they fail when hot, sometimes people squeeze them and they work (bad connection inside?), sometimes they work ok at high rpm because they stop retarding the timing at low rpm. Best thing to do is swap another cart to find out. Battery cable issues are something very common, also the small wire connections. I agree get a spark tester they are cheap, you can look at the spark and know what you have. Try a new plug the ngk bprs2es iirc, for newer yamaha carts. I thought you could use a G9 ignitor in a G2 people were doing that to get rid of the limiter, but you had to change one wire its different.

03-13-2016, 09:06 AM	#10
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G2 Ignitor As far as hacking up the "plug area" to put a different ignitor in, that would work for G2 & G9. The plug is not similar, but the parts that make the spark timing different should work on G2 & G9.

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