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 Post subject: 700 topend time
PostPosted: Mon Apr 10, 2017 8:21 am 
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Ive started gathering parts for a topend job on my 700 rhino. Im torn as to what to do though. Most jugs/cylinders have a metal sleeve pressed in but the 700s have a nickel sylicon (nickasil) plating. Trying to decide if I want to get a new factory style cylinder or bore my cylinder to put a sleeve in to make it like the old style. What is the best option? The rhino costs way to much to make it a big bore due to everything that has to be changed, so that is not an option.

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 Post subject: Re: 700 topend time
PostPosted: Mon Apr 10, 2017 10:12 am 
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I would put a sleeve in. If you score the bore you can hone it out for the most part and rering it.
Cant do that with nikasil.

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 Post subject: Re: 700 topend time
PostPosted: Mon Apr 10, 2017 6:27 pm 
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I can't help with your question, but we just did my buddy's 2004 660 Rhino last year. It smoked something fierce. Would go thru 1/2 qt of oil about every ride. Had it bored and we put in a new piston kit. I kinda wished he had gotten a fresh cylinder. It had been bored once before (under warranty we're told). It's running good, no smoke, but can smell it when running behind it. We're not sure if it's jetted right, though. I think he had about $500 all told when it was done (that's everything, parts, gaskets, yamalube, oil, filter, etc, etc).

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 Post subject: Re: 700 topend time
PostPosted: Tue Apr 11, 2017 7:17 am 
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You may wait till you open it up and see just how bad it is. From what I have read if the hone pattern is still good you can just re-ring and be good. It seems that the cylinder coating is pretty tough and that the rings are the part that goes bad before the cylinder does. Now keep in mind this is what I have read and have no first hand experience in this as yet.

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 Post subject: Re: 700 topend time
PostPosted: Wed Apr 12, 2017 12:20 pm 
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Funnyman wrote:
I would put a sleeve in. If you score the bore you can hone it out for the most part and rering it.
Cant do that with nikasil.



Thats what I really want to do but im concerned about reliability and longevity. Read some that have done it with no problems but dont have many miles on it. The ones that have had trouble either didnt have good parts/mechanic or they are the ones that tear up anvils with feathers.

Papa Rich wrote:
You may wait till you open it up and see just how bad it is. From what I have read if the hone pattern is still good you can just re-ring and be good. It seems that the cylinder coating is pretty tough and that the rings are the part that goes bad before the cylinder does. Now keep in mind this is what I have read and have no first hand experience in this as yet.


Thats was a thought I had but dont want it down for an extended time. New cylinder is about $200 and thats all I need to finish having parts, less than $350 total. If I get a core cylinder and sleeve its $140 then I have to get the sleeve put in (bore jug and press in $??). The core, sleeve, and machining maybe a little more but if it makes it as reliable with the potential for upgrades that is the way I want to go. The main things is longevity and reliability.

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 Post subject: Re: 700 topend time
PostPosted: Tue May 09, 2017 10:33 pm 
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Finally got the rhino tore down. The cylinder walls has 3 distinct ring grooves on top and bottom also has a worn spot that looks as if the nykasil plating is missing/worn out. I picked up a used jug online for cheap. It has a knick on the bottom edge, well below the rings so I am giving it a whirl. Took the head to machine shop to get valve seals replaced since I dont have the tools. Looks like $150 or less for everything.

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97 jeep wrangler 4.0 automatic on 35s with rollcage


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