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View Poll Results: What should i keep my Indy 500 or Prowler 440...They are both 1991 and run good
Prowler 440 0 0%
Indy 500 4 100.00%
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Old 12-20-2010, 10:06 PM   #1 (permalink)
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91 indy 500!

Hey im new to snowmobiling and i just bought two sleds a 91 indy 500 and a 91 prowler. i was just wondering things i should do before i go out and ride i dont want to break down...and how fast are these sleds?
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Old 12-20-2010, 10:28 PM   #2 (permalink)
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75-85mph on the indy for sure... make sure to clean the carbs. check fuel filter. check oil filter. check oil level. check coolant on liquid sleds. change chaincase oil. look at spark plugs, replace/ regap if neccesarry. check track tension/ alignment. other than that just cosmetics and making sure you got spare plugs and tools
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RIP 91 Polaris Indy Trail,
85 Polaris Indy Trail... 488 motor from ^
74 Polaris Colt... custom 440 motor from ^
89 Ski-doo Formula Plus (521)
92 Ski-doo Safari L (377)... still in diagnostics phase

praying for snow and for the packers
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Old 12-21-2010, 04:49 AM   #3 (permalink)
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Grease all the fittings also and some spray lube on the tie rods and steering components that dont have grease zerks.
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Old 12-21-2010, 12:17 PM   #4 (permalink)
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The Indy 500's are great little sleds and can easily hit 80 MPH. I bought 3 of them that were wrecked and engines were smoked. Each one had over 3300 miles on them. Once I put fresh top-ends in them, lubed everything, with fresh crankcase oil, fuel, 2-cycle, and coolant, these things rip. Ensure you run good 2-cycle oil. Even though they are oil injected, I always put about an ounce of 2-cycle oil per gallon of fuel to the tank. And of course, always have extra plugs....2-sets (4 total extra).
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2005 SKI-DOO GTX 550F
2000 POLARIS 700 RMK 159"
1994 POLARIS INDY 500 SKS EFI (Converted to carb)
1992 POLARIS INDY 500 SKS EFI (Converted to carb)
1991 POLARIS INDY 500 121" (Carb)
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Old 12-21-2010, 12:45 PM   #5 (permalink)
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how much chain case oil do they take? bc i dont think it has a dip stick. But my friends 94 xlt does
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Old 12-21-2010, 12:55 PM   #6 (permalink)
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Some sleds have dipsticks, some dont. On my Indy....If I remember correctly, there are two holes/plugs on the chain case cover. Pull both plugs, the top one is the filler hole. Fill until oil seeps/drips out of the lower hole.

Chain case oil is some really snotty stuff...take your time and do not over fill.
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SLED ALASKA!!!

2005 SKI-DOO GTX 550F
2000 POLARIS 700 RMK 159"
1994 POLARIS INDY 500 SKS EFI (Converted to carb)
1992 POLARIS INDY 500 SKS EFI (Converted to carb)
1991 POLARIS INDY 500 121" (Carb)
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Old 12-21-2010, 01:41 PM   #7 (permalink)
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i think its around 7 to 9 ounces of chaincase oil... you have to take the cover off to drain it then fill from the top hole till it comes out the bottom. then check the chaincase tension
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RIP 91 Polaris Indy Trail,
85 Polaris Indy Trail... 488 motor from ^
74 Polaris Colt... custom 440 motor from ^
89 Ski-doo Formula Plus (521)
92 Ski-doo Safari L (377)... still in diagnostics phase

praying for snow and for the packers
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Old 12-21-2010, 07:28 PM   #8 (permalink)
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how do i check the tension?
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Old 12-21-2010, 08:12 PM   #9 (permalink)
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alright thanks everyone ill do all of that...and what oil do you guys run? how much a gallon? bc for my dirtbike i run belray and its like 13 a quart
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Old 12-21-2010, 09:04 PM   #10 (permalink)
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I run Amsoil synthetic gear lube. I think it was 10 bucks for 355ml. Some guys run 80/90..some run just 10W40 motoroil. heck I drained a junk machine I bought a month ago and they had automatic transmission fluid in it. hahaha.
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Old 12-21-2010, 09:08 PM   #11 (permalink)
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haha alright figured so ill just fun the 80w belray stuff i have...what about 2 stroke oil lol i have expenive stuff but not enough to fill the oil resivor and it would be expensive tryin to keep it full
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Old 12-22-2010, 11:27 AM   #12 (permalink)
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I run Amsoil HP. I run quality oil because it is cheaper than engine parts. When you start replacing a crank and 2 pistons etc...gets expensive. I think its $12 for a quart and I can burn probably 60 litres of gas to it. Somebody said "The cheapest part of snowmobiling is buying the snowmobile!" Its the rest that is expensive!
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1995 Polaris Indy 500

White EPI primary spring with 10 weights
Purple EPI secondary spring, 45/36 HRP helix
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Old 12-22-2010, 11:40 AM   #13 (permalink)
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2-cycle oil...I run quality stuff. And like I said, I add additional 2-cycle oil to the actual fuel tank....nothing wrong with a little extra oil.

As for the chain case, you CAN I use gear lube depending on temperatures where you live. It can hit -50 below where I live in Alaska....I could probably get away with using 10/30W or even ATF.
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SLED ALASKA!!!

2005 SKI-DOO GTX 550F
2000 POLARIS 700 RMK 159"
1994 POLARIS INDY 500 SKS EFI (Converted to carb)
1992 POLARIS INDY 500 SKS EFI (Converted to carb)
1991 POLARIS INDY 500 121" (Carb)
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Old 12-22-2010, 11:53 AM   #14 (permalink)
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Do any of you guys Know how I could put reverse on my 1989 Indy classic? I can't find a kit. I know there was one once,but there was something else I had to do to the chine case,to work, can't remember!!Is there another way? Like, changing out the whole chine case with a another one off a 94-98 indy or something like that ???
Thanks Sport
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Old 12-22-2010, 11:59 AM   #15 (permalink)
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As for the reverse...not sure.

I do know that most 89-94 reverse chain cases are interchangeable.

RJ Gleason is the man to ask.
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SLED ALASKA!!!

2005 SKI-DOO GTX 550F
2000 POLARIS 700 RMK 159"
1994 POLARIS INDY 500 SKS EFI (Converted to carb)
1992 POLARIS INDY 500 SKS EFI (Converted to carb)
1991 POLARIS INDY 500 121" (Carb)
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Old 12-22-2010, 11:59 AM   #16 (permalink)
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probably would just be easier to sell the sled and buy one with reverse
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Old 12-22-2010, 02:35 PM   #17 (permalink)
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Thanks That's what I was thinking of doing, selling mine . I will look up RJ Gleason just to make sure, cause I've rebuilt everything on the sled!!!
Thanks
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Old 12-22-2010, 02:51 PM   #18 (permalink)
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I have a complete reverse kit. Came on a '91 Indy..You need the inner and outer case...along with the bottom sprocket and 2 smaller gears that go in the middle of the case.. I'd sell it but I would need the inner case off of one with out reverse and a regular 39 tooth sprocket..
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1995 Polaris Indy 500

White EPI primary spring with 10 weights
Purple EPI secondary spring, 45/36 HRP helix
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Old 12-22-2010, 06:46 PM   #19 (permalink)
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I'm interested in your reverse kit. I think the gear in my case is 39. its stock, and its been a little while since I had it apart. I can take a look and get some picks!! what would you want for your kit?
sport96
PS you can reach me at sport96@comcast.net
or the above address
Also you can tell I'm new to the forom!!!!
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Old 12-22-2010, 09:31 PM   #20 (permalink)
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you are right about replacing parts...ive talked to people that have been running walmart supertech 2 stroke oil in their machines for at least 5 years and they have never had a promblem..and it sells for like 10 bucks a gallon
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