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Old 11-11-2012, 06:11 PM   #1 (permalink)
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clutch issue NEED help

Hey everyone,

Im new to riding i just bought a 91 indy 650, the drive clutch was blown out on the outer pulley. I spun the machine and everything is spinning ok, but I believe that its and after market clutch. The gentleman gave me a diff clutch and said it was the original from the sled, I removed the broken one and the original one is too big on the crank stub.. Is there a way to check and see if its wrong clutch or maybe diff crank any ideas????
Also the clutch that was on it has blue spring, and i know that it came factory with a gold spring, if that helps with any answers you might have...

Thanks beginer in it for life now!!!

Last edited by squiggs650; 11-11-2012 at 06:48 PM.
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Old 11-11-2012, 07:02 PM   #2 (permalink)
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were are u in nh i do work on them and its hard to say unless u have pics or video of it umm does it just slide on all the way or does it start to get harder to put on the farther in u get it on
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Old 11-11-2012, 07:20 PM   #3 (permalink)
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i do live in souther NH, the cluch that he said was OE is about 1 1/2 inch hole and the one that came off and slid tight onto crank is about inch, so the supposed OE one is way to big, doesnt even touch the crank
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Old 11-11-2012, 07:45 PM   #4 (permalink)
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Post some pics of the crank end, both outside views of the clutches and views of the taper' side of both clutches. Be able to help you than. Something doesn't seem right


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Old 11-11-2012, 08:39 PM   #5 (permalink)
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i can do that tomm for you and thanks i am mechanical and dont really wanna go to dealer this is a life saver, but i have been looking at clutchs online and the one that was on there looks like the OE one, it had an open face the one he gave me was enclosed(the one that doesnt fit), now the next thing to find out is where is a good place to buy parts around here?
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Old 11-11-2012, 09:11 PM   #6 (permalink)
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I have purchased used clutches on ebay, you have to really look them over before bidding, it's easy to get taken. Check Craigslist as well as any other local on-line options.

When you are looking, be aware that not all Polaris P-85's are the same. Pretty much any clutch that came off a triple will fit your 650, but a lot of the twins use a different offset on the clutch, even though Polaris calls them all P-85's. If the offset is wrong, the clutch can rub against the crankcase seal.

Look for one from a 650, a 600 triple, any XLT, Ultra, or Storm. Those sleds all take a clutch with a 30mm/1:10 taper and should have the correct offset. There are probably others that will work, but only purchase if you can fit test before you buy.
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Old 11-11-2012, 09:14 PM   #7 (permalink)
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He gave you a old school closed face long bore/taper clutch for say a 83 Indy 600 or tx txl txc etc


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Old 11-11-2012, 09:15 PM   #8 (permalink)
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Bc Dan not all triple clutches will work. Some guys had open faces on the 83 Indy 600 and that was a long taper crank. Otherwise you are correct.
But any p85 from say 85 up in the wedge body style is the same clutch even for twins. Except the super sport or some fan cooled sleds that used the p 90. That funky sized clutch but for reference a Indy 500 clutch will fit right on just have to change over weights and spring. Ive ran twin clutches on our race sleds before. If you get real technical some casting is different like I have a special "hd" p 85 from Polaris that is supposed to have some different casting that makes it stronger. I personally can't tell anything different except in the spider but they say it's supposed to hold up a lot better.


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Old 11-11-2012, 10:35 PM   #9 (permalink)
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if have a clutch that is a p85 came off a 95 indy 500 l/c the issue is it needs the roller bushings replaced and new weights but if u got a clutch that has the parts u need i will sell it to u let me know send a pm to me i have a gold spring but it might need a heavyer spring like blue
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Old 11-11-2012, 10:36 PM   #10 (permalink)
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by the way i am in southern nh located in epping let me know
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Old 11-12-2012, 05:22 AM   #11 (permalink)
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i have a clutch trying to sell localy came of my 95 rxl was rebuilt a yr ago has blue spring and new weights as i now have a 98 xc600 twin and clutch wont fit it
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Old 11-12-2012, 08:54 AM   #12 (permalink)
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I need the whole drive clutch set up including inner and outter pullies and the crank bolt, i have been tring to find on new and cant but if anyone has one for sale i am more then happy to talk about a purchase just let me know!! just send me a message

thanks everyone been a great help, glad i joined
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Old 11-12-2012, 09:42 AM   #13 (permalink)
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You will spend 400+ on a new one. Buy a used one and get a new bolt. You want to buy the clutch as one whole unit as I doubt you have the tools to assemble the spyder and clutch sheaves etc.


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Old 11-12-2012, 11:49 AM   #14 (permalink)
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ive been trying to find a used one but with no luck, not a big fan of ebay either, ive even been looking for another sled to buy as a donor sled for this one or vise versa im trying to study up now on what sleds would be interchangeable with the one I have
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Old 11-12-2012, 03:19 PM   #15 (permalink)
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i have one that needs some replacing of some worn parts but it u have a other polaris clutch the parts from that will fit it and i have the bolt and sleeve for it as well let me know right hear in nh
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Old 11-12-2012, 06:01 PM   #16 (permalink)
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He's going to have to split the spyder to replace the rollers


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Old 11-12-2012, 07:10 PM   #17 (permalink)
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the spider is triangle in middle right and rollers are what the weights use to push the spider in or out correct.
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Old 11-12-2012, 07:16 PM   #18 (permalink)
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Correct. You have the inner sheave which is onwards motor. Than outer sheave towards belly pan, than the spyder that holds rollers. Than the outer cover that holds spring. If you weren't so far away I'd rebuild you one cheap as I have all the tools. Even made a tool to go in the hitch of my truck to split those really tight spyder's.....pulled the bench off my wall one day so had to come up with a different set up.


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Old 11-12-2012, 07:29 PM   #19 (permalink)
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i dont understand what needs so much work to get apart my spier was held on with jam nut, once jam nut is off pushed outer sheave toward inner sheive on crank and spider spins off atleast the guy that sold me the sled said so, but any info that i should know would be great so i dont wind up costing myself more money, i am technical just never on small engines, i got all the rollers out of the spider that came off sled using my old tools its was fairly easy, i havent heard anyone throw out suggestions about diff ways to do jobs is that not allowed on here???
But if im wrong about the spider how do you have to split it i dont know the terminoligy yet sorry, i dont have a owners manaual yet either tring to find things online but aint having much luck
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Old 11-12-2012, 09:35 PM   #20 (permalink)
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If you can hand spin your spyder off the inner sheave than that is bad and it has come loose. We usually use a 5 foot breaker bars to get ours apart. I have had a few though we're they we're hand tight. That jam nut is same way. There is a special tool for the nut. Spyder. And to hold the sheave. The guy you got the sled from seems to be a moron.


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