Rhino Snorkel

Badley · 2008-03-21 12:47:25

Promised some of you I would post some photos and details about the low budget snorkel I added to my 07' Sport. My intention was to reduce cab noise (intake). I found a thread on this forum

http://utilityoffroad.com/forum/topic.a … C_ID=14149

which referred to this thread

http://www.rc-trucks.org/yamaha-rhino-snorkel.htm

Seemed like a great idea to reduce cab noise - which increased after I added a RAIS Power Tube (increased intake size from something like 1 1/4" to 2 1/4").

I found the 2 1/2" ducting at a local hose supplier EVCO in Orem, UT. (Heavy duty - wire re-inforced)
Specifically LT-2 1/2, 10' cost $45.68 also bought a T-275 heavy dury hose clamp for $6.00 Ducting is rated for over 250 degrees, so hopefully it will hold up being close to the engine and coolant lines.

I used the RAIS with the top gasket removed, rotated it so it angled back and sealed the connection to the air box with duct tape. Attached the ducting (perfect fit on the RAIS) with the heavy clamp. Had to crush (oval) the ducting slightly where it crosses the carb and also down the side of the engine cylinder so the engine cover will fit - it is tight and a little tough to get on but I am hoping it will get "trained"

I had to route ducting differently than others have done it, there are differences in the air box between model years. It was tight getting the ducting under the exhaust cooling fan and housing and may make it harder to remove fan housing but I will cross that bridge later.

I routed the ducting thought the from drive line tunnel tying if off frequently. I did have to cut 2 of the support "fins" on the botom of the tunnel cover (sorry no photos). Then routed it between the coolant reseviour and and steering - comes fairly close to the steering knuckle so I tied it off well in that area.

Ran the end of the duct on the frame to just behind the grill and put a "panty hose pre-filter" on the end.

I also plugged the hole in the original intake on the engine cover.
My first time out was at the dunes. It was obviously running lean. Ended up turning the mixture screw out about 1 1/2 turns - I am getting more air than before! I was worried it might restrict air flow... I am still a little baffled. Overall this mod was well worth it! Cab is quiet and I can hear the exhaust and my tunes much better now

Fasttrax · 2008-03-28 06:41:55

Here I go.... I went to Evco and purchased everything yesterday. I might end up in your driveway if I have issues Brad.

Badley · 2008-03-28 07:53:29

Ryan, you are always welcome in my driveway Happy to help if needed. Is yours an 06'? If it is you might have it easy and can route it differently. I am curious if you will need to richen your mixture too.

Fasttrax · 2008-03-30 16:42:03

Routed mine the same way as yours Brad. Very impressed with the loss of cab noise and performance. I did end up adjusting the a/f screw and also went up a jet size to a 147.5. I think the force of air will outweigh the benefits of the carb trying to vacuum it in.

rhinoryder · 2008-04-08 19:00:00

so i tried your snorkel kit out. went down to evco in orem i had to go back and show them what i was looking for but they found it, good thing you posted the pictures or i would have been screwed. you are right its a tight fit but like you said hopefully it will train it self. have not had a chance to test it out. let me know if you still like the change.

Badley · 2008-04-08 19:51:18

I am surprised Evco couldn't find the hose. The number I listed above (LT-2 1/2) is right off their invoice You must have got a newb helping you :? . I very happy with the change. I am going to install a Dial-a-jet soon and will tweak the jetting then (I am only installing because I like to ride in the Mountains, going from 5000 to 10,000' - not because of the snorkel). So far with just a mixture screw adjustment it is running good. d I do not miss the intake noise! I can hear my stereo and the exhaust much better now

rhinoryder · 2008-04-08 20:30:42

i'm going to send it in to get the clutch done on it and they are going to dyno it, hopefully it they can jet it to the "T". i just put the two brothers exhaust on it so hopefully i will notice a big change after all the mods.

Badley · 2008-04-09 09:10:34

Sweet! You will hear the Two Brothers tone without the intake sucking noise What clutch are you going with? Who is doing your work?

rhinoryder · 2008-04-09 09:38:00

I can remember where the clutch is coming from, but south valley motorsports is going to put it in and do the dyno. I know the service manger up there and he recommended this clutch. He told me that he sees all sorts of clutch kit come in and none them work as good as this one. I know its from someone local and they fab it themselves. I will get back to you when i find out where its from.

ghostriderr6 · 2011-01-28 21:18:07

I like the snorkel but I don't see an air filter. Are you running one?

ghostriderr6 · 2011-01-28 21:19:46

Never mind, don't mind the ignorant Polaris guy here in the Rhino section. I just noticed the airbox. I was picturing a filter on the end of the snorkel for some reason.

Badley · 2011-01-30 17:14:41

It's OK ghostriderr6 - I am a ingnorant Polaris guy now too Simply moved the airbox (and filter) from the cab to underneath the front hood. Difference in cab noise was dramatic. After playing with dial-a-jet and different tuning, ended up back at stock jet and shimmed needle - so air flow was very similar to stock. Sold the Rhino last year, so those problems are over

Rubikon · 2011-08-31 13:56:33

What a great engine of the Yamaha Rhino

#1 2008-03-21 12:47:25

Re: Rhino Snorkel

#2 2008-03-28 06:41:55

Re: Rhino Snorkel

#3 2008-03-28 07:53:29

Re: Rhino Snorkel

#4 2008-03-30 16:42:03

Re: Rhino Snorkel

#5 2008-04-08 19:00:00

Re: Rhino Snorkel

#6 2008-04-08 19:51:18

Re: Rhino Snorkel

#7 2008-04-08 20:30:42

Re: Rhino Snorkel

#8 2008-04-09 09:10:34

Re: Rhino Snorkel

#9 2008-04-09 09:38:00

Re: Rhino Snorkel

#10 2011-01-28 21:18:07

Re: Rhino Snorkel

#11 2011-01-28 21:19:46

Re: Rhino Snorkel

#12 2011-01-30 17:14:41

Re: Rhino Snorkel

#13 2011-08-31 13:56:33

Re: Rhino Snorkel

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