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Author Topic: New utv reservoir shock ???  (Read 249 times)
mikeparker
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« on: October 28, 2017, 07:02:21 PM »

Bought some reservoir shock for my rhino. They are air style with adjustability. I have adjusted them 4 or 5 times trying to get them off the bump stops. They have 7ish inches of travel and currently sit at 1/2-1" off bump completely maxed out. Since they are a "small" shock how much air (psi) do I add. I read something about .2-.4psi but didnt understand what they were talking about. Also do I just add compressed air or nitrogen, as I am new to reservoir shocks.


These are what I have:   https://www.ebay.com/itm/15-75-400mm-Air-Shock-Absorbers-Yamaha-Rhino-660-2004-Piggyback-Shocks-Silver/112400049119?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649
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squeak12

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« Reply #1 on: October 28, 2017, 08:20:17 PM »

You will want to use nitrogen which requires a tank and regulator.  The eBay listing states a factory set air pressure of 0.4 MPa (58 psi) and a max pressure of 0.5 MPa (72 psi).  If you want to increase the ride height, you can also add preload to the springs with the spanners, but it will stiffen the suspension up as a side effect.
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Ultra4 UTV - #706 - Chris Armstrong
mikeparker
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« Reply #2 on: October 29, 2017, 11:26:11 AM »

Would a tire shop that puts nitrogen in the tires be able to fill the shocks?
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squeak12

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« Reply #3 on: October 29, 2017, 03:10:03 PM »

As long as they can provide you with the amount of pressure you want to add, the valve is typically a standard Schrader valve like the kind found in most wheels..
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Ultra4 UTV - #706 - Chris Armstrong
mikeparker
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« Reply #4 on: October 29, 2017, 06:06:57 PM »

As long as they can provide you with the amount of pressure you want to add, the valve is typically a standard Schrader valve like the kind found in most wheels..

It does have a Schrader valve. I will check and see what pressure they can provide. Thanks for all the help and advice, never been around air shocks before.
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mikeparker
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« Reply #5 on: October 30, 2017, 06:11:29 PM »

I put 65psi nitrogen from tire store in them and the shock is still riding almost on the bump stops. Rides super nice on the road and in the yard but is ruff as a cob on the mild trails.
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gottagofast
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« Reply #6 on: November 12, 2017, 10:13:06 AM »

Sounds like you need more spring
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Kevin
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