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Discussion Starter #1
My good friend brought his brand new Viking to the deer lease this weekend. I rode around with him for approximately one hour. At anything more than half throttle, sitting in the cab, the engine noise was so loud we could not carry on a conversation even if we shouted as loud as we could. It actually hurt my ears. Sitting inside of it, I would say it is roughly 2 or 3 times as loud as my 2008 Rhino at the same rpms. Sounded like a mix of exhaust and engine mechanical. A visual inspection revealed no obvious problem. I told him it had to be some kind of exhaust leak as I can't believe Yamaha would design something that loud. He hauled it back to Houston to take it to the dealer and now is waiting to hear from them. I am curious. Have any of you found the Viking engine noise level to be excessive when sitting in the cab? Thanks.
 

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They are LOUD, one member described it as "Ear plug loud".
When me and my dad ride, we cant hear a word each other is saying either, unless you lean over next to one another and hollar at one another.

It bugged me alot when i first got it, but ive got more used to it.

I plan on getting a stealth exhaust system as soon as one comes out for the Viking.

I had a 2010 Ranger 500, and the Viking for sure is louder than it, we could talk in it pretty easy.
I
 

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Put a bed mat in it. It makes a huge difference. Anything you put in the bed really helps.

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Sometime soon i hope to put the Bed coating in the bed of mine, and then a mat on top of it, hope that helps.
 

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Yeah, its really not a big issue if your by yourself, it does sound good. I just crank my overhead tunes up, and roll
 

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They are noisy for sure. Between the cvt whine and the engine noise, it is impossible to hold a conversation while cruising around. We use ear plugs when driving the thing:eek:. Almost bought a Honda Big Red or Pioneer or a Polaris xp900 because of the racket the Viking produces. A bed Matt along with stuff in the bed does seem to help in muffing some of the noise. I gotta do a bed liner to see if that helps also. But other than the noise, we really like the Viking.
 

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You want to hear loud try a Commander esp. with a cab. Between the engine, cvt and rear diff whine on a lot of the older models at higher speeds you can't even hear a stereo playing if you have one. I guess your not suppose to be talking and driving at the same time. lol
 

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How can you hear anyone talking anyway with a proper helmet on?
 

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ive read of a few owners mentioning the noise to be higher than what they are use to.

wonder how this can be fixed.
 

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ive read of a few owners mentioning the noise to be higher than what they are use to.

wonder how this can be fixed.
they might just have to get used to it, you also have to question if this is their first UTV. maybe it is, maybe it isn't. I haven't noticed some more experienced UTV guys complaining about the noise.
 

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instead of waiting for Yami or one of the other aftermarket jobbers to get around to Viking spec silencers why not try a moto silencer? Most of them are just slip on's anyways...

something like this...especially if you're the DIY type...

 

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What's interesting is that the reviews say it should be quieter by engineering design:

"There is also a unique twist to the new engine as the minds at Yamaha have developed a new air injection system that burns un-combusted vapors in the exhaust, which will reduce emissions even more. Yamaha took the engine and moved it backward under the dump bed. This makes the engine easy to service and should help keep the noise down in the cab."

Guessing someone at atv.com was wearing earplugs that day :confused:
 

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Ok guys try this. Put something in the bed and try it again. It makes a huge difference. We had a whole round bale in mine and it made a huge difference. But just my bed mat was a huge difference to. Give it a try and report back if you would.

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earplugs with a helmet most likely.
 

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Discussion Starter #17
feedback on my question about excessive noise

Thanks for all the feedback. Great to see such an active network in such a short time. My friend and I have been driving Suzuki, Polaris, and Kawasaki and Yamaha 4-wheelers for over 20 years. Never heard anything as loud as his Viking. He had a professional bed liner sprayed in it, and when we were out for our drive there was three hundred pounds of corn in the back and 3 or 4 tool bags (it is a nice big bed). I don't think an exhaust silencer would help much for the occupants since the sound seems to be coming from the engine/CVT as much as exhaust. I can see how a thick bed liner might help, and maybe some sound deadening material strategically placed. Some of the Rhino forums have threads where folks did all sorts of things to quiet their ride. I will help him sort out the noise. I am glad most of you guys are OK with it, but for folks who haven't bought yet, I strongly suggest you give it a test drive where you spend some time with the RPM's up there to see what you think about the noise.
 

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I suspect we will find many little things that add up to the increased noise... thus, we might be able to pick them off.

The CVT now has two intake ports and a large vanes (fan) built into the driven clutch...this keeps things cool, but makes more noise. I'm sure we can muffle the system w/o decreasing flow.... the intake is huge and sits right behind the driver.

While the engine is advertised as having a better, quieter position behind the passengers, it is wide open to our ears. The Rhino engine is enclosed...

More power, more noise.
 

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I have an idea for all with sensitive ears. Purchase some sound and heat insulation that is intended for vehicle hoods. Not only does it take 800F but it would absorb the sound. My idea was to apply it to the under side of the bed and possibly some how put some towards the front side of the engine between our seats and the engine. Something like this 1 Sheet of Thermal Block - Second Skin Audio
 
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