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Old 09-11-2017, 10:19 PM   #11
bembrey
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Default Re: 1994 Yamaha G9 exhaust

sformal... I'm a newb to the cart world... what is a TCI?
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Old 09-12-2017, 12:15 AM   #12
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Default Re: 1994 Yamaha G9 exhaust

Oops sorry, ignition coil (Transistor Controlled Ignition if I remember)...

I cannot see how your exhaust would be clogged, it would changed when the engine is cold or hot.
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Old 09-12-2017, 03:57 AM   #13
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Default Re: 1994 Yamaha G9 exhaust

Quote:
Originally Posted by CAMPERCART2013 View Post
For what it's worth one of the most common problems with these Carts is the ignitor goes bad. If you look at my first picture there is a little black box under The fuel pump both screwed to the fuel tank. Your symptoms may be due to the bad ignitor. sometimes malfunction when hot! If you have access to a spark tester you can eliminate the ignitor until you can get the exhaust off. parts store has spark tester for around$10
I agree totally with this! Sounds like failing ignitor (ignition box). As for the TCI suggestion, it's true, but only applies to G16 and newer carts, yours doesn't have a TCI. While checking the fins is a good idea, I bet the ignitor is failing, and reducing spark timing badly when hot. That "failing ignitor" causes fuel to be ignited a little late, and a super hot exhaust system. Seen it many times before. Can be detected with a timing light, if you want to make your own timing marks on clutch & engine block. (Removing clutch later for service ruins that "timing mark", clutch has moved).
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Old 09-12-2017, 04:23 AM   #14
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Default Re: 1994 Yamaha G9 exhaust

Quote:
Originally Posted by cgtech View Post
...As for the TCI suggestion, it's true, but only applies to G16 and newer carts...
Sorry, my G15-A is a mix of G9/11/16...
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Old 09-12-2017, 06:06 AM   #15
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Default Re: 1994 Yamaha G9 exhaust

Cgtech and sformal... thank you guys for the info. I have ordered a new igniter and it should be here Thursday. I'll get it installed Friday and we'll see if that does the trick. I really appreciate the quick and knowledgeable responses from everyone... it's a quarter mile from the parking lot to our boat, so the cart has made a huge difference and we're loving it. Want to ensure I keep her in top shape :)
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Old 09-21-2017, 11:08 AM   #16
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Default Re: 1994 Yamaha G9 exhaust

Update (and lesson learned) - Received the part on 9/20... apparently I was a little optimistic in my delivery time. Installed it last night, cart fired up and sounded great... took off down the dock, was running good but then started cutting out and died. Turned over but would not kick off. Pulled the plug to check for spark... had good spark - this told me must be fuel. Long story short - Check the gas tank! I had run out of gas!
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Old 09-21-2017, 11:18 AM   #17
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Default Re: 1994 Yamaha G9 exhaust

Quote:
Originally Posted by bembrey View Post
Check the gas tank! I had run out of gas!
You can check here:

https://www.ingenie.com/young-driver...ar-with-petrol

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Old 09-21-2017, 12:42 PM   #18
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Default Re: 1994 Yamaha G9 exhaust

Sformal - thank you for the link sir, I will refer to it often... what is even funnier is the link at the bottom of the article about what to do if you put the wrong fuel in... my youngest daughter (24) recently managed to get 6 gallons of diesel in her HHR... still trying to figure that one out.
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Old 09-21-2017, 01:05 PM   #19
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Default Re: 1994 Yamaha G9 exhaust



Have fun with your cart now !
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Old 09-21-2017, 06:53 PM   #20
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Default Re: 1994 Yamaha G9 exhaust

Glad you got it going have fun
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