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Old 10-09-2010, 08:11 PM   #1 (permalink)
ELT
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XLT Pipes and clutch kit

I was given a 95 XLT 600 special SKS with the extra 12 suspension all the way around last year. It came with a 94 xllt special parts sled. I live on the edge of Tug Hill in northern NY. The unit ran less than 100 miles and lunched the motor. Crankshaft imagine that. Well I tore the 94 engine down because it was already out of the sled(it also had a bad crank) and now it's almost back togeather. I learned it's the 580 engine in the process. I have to say polaris wasted no time getting transfer ports to line up, but now they do and there are no more blunt transitions for the air flow. These sleds came with a set of triple pipes and a pipe clutch kit. If I decide to use this stuff do the clutch kits keep the rpms below 8200 so the crankshaft will last a while or is this stuff going to give radical rpms that are better off on a oval track. If I can set this up and stay reliable I am going to use it,but I'm a trail rider not a racer so I would rather get home at the end of the day than be first one out in the ding weeds. Also how much more jet do I need with those pipes?
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Old 10-09-2010, 08:31 PM   #2 (permalink)
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If I was you I would keep the whole sled stock. If you keep it stock it will last forever. That motor can't take the higher rpm's that those pipes made keep it stock. I have a 96 Polaris xlt sp 600 has 12,300 miles just had a new top end and new clutches and still going strong!! It's up too you bit I would put the stock single pipe back on it.
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Old 10-09-2010, 08:48 PM   #3 (permalink)
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If I was you I would keep the whole sled stock. If you keep it stock it will last forever. That motor can't take the higher rpm's that those pipes made keep it stock. I have a 96 Polaris xlt sp 600 has 12,300 miles just had a new top end and new clutches and still going strong!! It's up too you bit I would put the stock single pipe back on it.
You are thinking like me, but the pipes and clutch stuff is tempting. The guy that did my crank said he has seen stock xlt's with over 15000 miles and no teardowns. A good friend of mine and former polaris dealer says the main problem that kills the crank is too many rpms. That's why I asked the question on recluching to keep the rpms down with the pipes.
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Old 10-09-2010, 08:51 PM   #4 (permalink)
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The triple pipes add higher rpm's. I would keep it stock but its up to you good luck!!
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Old 10-10-2010, 10:19 AM   #5 (permalink)
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The pipes produced the most hp at high rpms, upwards of 9000 and the motors just couldn't continually rev that high. Sure you gained 25 horses but never knew if the motor was going to last. And yes, there are guys that have SLP pipes on the XLT for the last 10 years,have over 10 000 miles and maybe rebuilt the top end once on the weekend. The 580 was a better engine than the 597's though. Around 97' was the worst years... I had a 95 that gave me troubles with the crank. 3rd bearing in on the PTO went. Anywayyy hopefully you did the mods to the crank case for the oil jounal while you had everything split..

If I was to build one of these (and I'm still thinking on it 95 XCR with the XLT engine that my neighbor has) I would split the crank, drill the PTO oil journal the same size or a tad bigger, get a 4 line pump from a liberty and tap the 4th line directly over the PTO bearings. Then I'd slam the SLP pipes on. Atleast then you know the PTO bearings should be good to go...You'd have a sled with lots of hp and the nice sound of the tripple. And maybe even a reliable one!
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Old 10-10-2010, 10:42 AM   #6 (permalink)
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i had a 95 xcr with the set-up you are talking about. it was clutched to engage at 4800 ad turned out 8700rpm. but i only ran it like that for a season. the person i sold it to is still running that set-up 2 seasons later. to help sway your decision alittle, i would sell the set-up and make easy money on it. the pipes won't fit your sled. in the xtra-12 the shock tower is higher so the can would have to be extended to fit in your chassis. not alot of work, but maybe enough to help make a decision for you....
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Old 10-12-2010, 06:28 PM   #7 (permalink)
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i had a 95 xcr with the set-up you are talking about. it was clutched to engage at 4800 ad turned out 8700rpm. but i only ran it like that for a season. the person i sold it to is still running that set-up 2 seasons later. to help sway your decision alittle, i would sell the set-up and make easy money on it. the pipes won't fit your sled. in the xtra-12 the shock tower is higher so the can would have to be extended to fit in your chassis. not alot of work, but maybe enough to help make a decision for you....
Thanks for the info. I didn't realize those pipes wouldn't fit with the exta 12 suspension. I put the stock exaust back on and fired up the fresh motor tonight, sounds good. The pipes are hanging back in the rafters of the barn and the clutch kit is on the shelf. Between this 95 XLT and my 2000 Formula Z 600 Doo I should be good to go for sleds this winter. Do any of you guys ride Tug Hill?
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Old 10-12-2010, 08:43 PM   #8 (permalink)
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just so you know... if you ebay though pipes and the clutch kit you will probably get a decent price for them
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