I just got my new 2012 Rhino, went out in the hills for a ride. Everytime I coast down a hill with my foot off the gas it starts backfiring. Not continuosly, but about every 30 or 40 yards, pow like a rifle shot. Called the dealer and they seemed really puzzled. That worries heck out of me if they don't have a clew. So tomorrow I'll take it back to them. If anyone has any ideas that I can relay to the mechanic I would sure be thankful to you.
2012 Rhino backfiring
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5,892 Posts
take it back. shouldn't backfire. it's probably a EFI issue, sensor, or possibly but highly doub loose exhaust. did you make sure it has an air filter in it?
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5,892 Posts
gotta be a sensor unplugged or something
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647 Posts
That's ridiculous. Mine MIGHT pop once in a blue moon after a high speed burst followed by downhill deceleration, but if it's backfiring at idle, something is totally wrong.
Plugged fuel injector? Kinked fuel hose/return/vent line?
Plugged fuel injector? Kinked fuel hose/return/vent line?
Mine only does it after a high speed run (and not really loud), not any other time.
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74 Posts
the honda 420 did this alottttttt , the temp sending unit is defected on them , even though honda said it was normal, some dealers replaced them and ppl stop having problems
Talked with dealer today. Told them I would bring it in at the 20 hour service and they can fix it then. I just have to brake going down hill instead of engine braking. I am afraid if I take it back before it is broken in they would be hotrodding around trying to duplicate the problem. Thanks for responses. I'll let you know what happens in a week or so!!!
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Mike, I just took my 2012 700 Grizzly ATV out (first time) and it is backfiring going down a hill. I had to go down 5 miles and it was backfiring all the way every 30 or 40 yards. Same as your Rhino I was breaking the Grizzly in. I was not on throttle so the machine was engine breaking. Let me know what your Dealer going to do for you.
Got my Rhino back this afternoon. Seems to be okay but am not going to get too exited until I drive it for a couple of days. They did all the diagnostics on it and they all checked out. Then I guess they called Yamaha, because the paperwork says "ISC calibration
per Yamaha". That's all the info I have so we will see if it really is fixed over the next few days....Mike
per Yamaha". That's all the info I have so we will see if it really is fixed over the next few days....Mike
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323 Posts
run premium fuel, mine was doing the same thing after i put the billet tip on the exhaust. now that it is well broken in i can run regular with no problems but i still run premium when ever possible.
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6 Posts
I just bought a 2012 Rhino and it has started backfiring a lot when going down hill with no throttle. It also quits a lot after coming to a stop after going downhill? Anyone have any suggestions?
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357 Posts
Hey buddy, did ya read the previous posts !?! Take it to the dealer!!:Eyecrazy:
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Hey buddy yeah I did read the previous posts. I've took it to them already and they claim to have fixed it but they didn't. I was hoping to get some real info from somebody whos had the same problem. Don't reply if you're just gonna be a prick.
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357 Posts
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