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Old 08-28-2021, 04:23 PM   #1
truetexan
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Default G9 has spark strong then very little

MY g9 when you get in and take off runs perfect stop . then very sluggish for a little bit then takes off great . I checked spark it has great spark when you first hit the gas then goes very weak still spark just weak . Any advice greatly needed its driving me crazy
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Old 08-29-2021, 08:47 AM   #2
slonomo
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Default Re: G9 has spark strong then very little

How are you checking spark?
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Old 08-29-2021, 10:56 PM   #3
truetexan
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Default Re: G9 has spark strong then very little

with spark tester i have replaced wiring harness checked coil ,starter ,ignition ,stop switch ,stator according to yamaha service manual everything ohms out in range i thought bad ground but everything seems fine . ordered ignitor last night . if you have any suggestions i would try anytihng at this point . oh yeah and new carb
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Old 08-30-2021, 05:35 AM   #4
slonomo
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Default Re: G9 has spark strong then very little

I was going to suggest a new ignitor, but you beat me to it. Regarding ignitors, the aftermarket ones can be a little iffy. Did you see if a Yamaha one is still available?
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Old 08-30-2021, 09:42 AM   #5
truetexan
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Angry Re: G9 has spark strong then very little

oh s... no i ordered a off brand because i didn't know for sure if that was the problem oh yeah and the price ...
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Old 08-30-2021, 08:53 PM   #6
slonomo
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Default Re: G9 has spark strong then very little

If you bought it from a reputable seller/dealer you might be ok, they usually will stand behind their stuff. If you bought it from joe blow seller, who knows, and good luck with that. I've found when it comes to ignition electronics, factory parts are far superior, this goes for all makes and models of all vehicles with an engine, but especially golf carts. Seems China likes to take advantage of people in the golf cart industry lol. Maybe they hate golf?
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Old 09-04-2021, 03:52 PM   #7
truetexan
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Default Re: G9 has spark strong then very little

It has great spark ran fine for a little while now it's like the carburetor is dirty maybe not enough air backfiring just low idle and backfiring I'm about ready to give up
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Old 09-04-2021, 03:56 PM   #8
slonomo
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Default Re: G9 has spark strong then very little

Have you taken the carb off to clean it?
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