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| gtr 35 backfiring under load http://mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=5366 |
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| Author: | ZEEOHHSIX [ Thu Oct 15, 2009 2:15 pm ] |
| Post subject: | gtr 35 backfiring under load |
Last night took the boat out and the port engine would back fire , have no power and die when the clutch was engaged. It did this twice over about 4 hours and it only did it for a few minutes. Start it back up after messing with it and it would run fine anyone have any ides |
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| Author: | quackconsumer [ Thu Oct 15, 2009 7:02 pm ] |
| Post subject: | Re: gtr 35 backfiring under load |
Dude you're still under warranty. Give da fine folks at GT a call and they will fix you up. |
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| Author: | cypress [ Mon Oct 19, 2009 8:31 pm ] |
| Post subject: | Re: gtr 35 backfiring under load |
My GT is brand new and is doing the same thing. Idling rough and kills when engaged. I'm sure it's the carb and i'm bringing it in tomorrow. Did you determine what the problem is with yours? |
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| Author: | WestEndAngler [ Mon Oct 19, 2009 9:05 pm ] |
| Post subject: | Re: gtr 35 backfiring under load |
Mine was doing this I found out that the wires behind the tilt up / down switch and forward / start button were not tucked all the way up in there and somehow had got pinched in the trim motor... I guarantee you that's your issue... Go pull that cover off and inspect the wires tape up any that may have had the covers exposed to bare metal cause its shorting out. |
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| Author: | ZEEOHHSIX [ Tue Oct 20, 2009 8:19 pm ] |
| Post subject: | Re: gtr 35 backfiring under load |
| Author: | cypress [ Tue Oct 20, 2009 8:29 pm ] |
| Post subject: | Re: gtr 35 backfiring under load |
I sent Westend's post (wires) to Hoyt and he replied that my issues were probably different, carb i suppose. They should be done by friday so i'll post the results. |
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| Author: | WestEndAngler [ Tue Oct 20, 2009 8:39 pm ] |
| Post subject: | Re: gtr 35 backfiring under load |
My issue arose after my trim up wire came lose after I was doing some maintenance. When I replaced the cover the wires were hanging down and one got pinched so 1/2 way into a shallow lake I start back firing... I knew that was the problem when I saw wire exposed. Popped the cover back off put some electrical tape around wire and tucked everything back up in there... Hope you get your problem worked out. Hoyt knows best 
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| Author: | ZEEOHHSIX [ Wed Oct 21, 2009 10:39 am ] |
| Post subject: | Re: gtr 35 backfiring under load |
| Author: | cypress [ Sun Oct 25, 2009 7:56 pm ] |
| Post subject: | Re: gtr 35 backfiring under load |
Got the boat back from GT. Cause of the problem was a piece of debris in sparkplug boot tween tip and connector. I didn't have my 5/8's with me at the landing so i never did/could check the plugs. I have one now. Hoyt said this is the third motor to have this issue. Runs good now...two people, full tank...28.2 mph. Boat's a 17/54 btw. |
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| Author: | ZEEOHHSIX [ Thu Oct 29, 2009 4:32 am ] |
| Post subject: | Re: gtr 35 backfiring under load |
Thanks for the infor cypress and congrats on the speeed |
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| Author: | Tulsa_Woody [ Mon Nov 02, 2009 10:00 am ] |
| Post subject: | Re: gtr 35 backfiring under load |
Well, i went out yesterday and took a fresh tank of gas with no ethanol and tried to crank up the motor...would not start...probably still bad gas in the line...checked the plugs and they looked great...sprayed a little "engine start" in the carb and she cranked right up...let the motor run for about 5-10 minutes and it would seem to idle good...but if i ran the rpms up to about 3,000 or so, i still get a surging sound, like it is bumping the governer. And then If I run up the rpms and then let off the throttle, i get a pretty good back-fire. Do ya'll think this is the same electrical thing that Westend was having, or something else? Thanks, Woody |
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