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Old 11-19-2011, 01:30 AM   #1 (permalink)
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'99 Indy 500 XC

I guess this is an introduction of sorts. I just picked up my first sled, a 99 Indy 500 xc... for free. Its in decent shape, but the motor is blown. as far as i can tell, the connecting rod snapped, and spit the crank case. seems like a lot of work, but i couldn't beat the price nor the challenge. If anyone has any advice or resources for me i would be very grateful! Any diagrams or specific information on the engine would be very helpful!

Indy 500 XC
Model # 099SB5AS

Thanks in advance!
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Old 11-19-2011, 03:19 AM   #2 (permalink)
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Welcome to the forum. Advise is to go buy a new engine. You should be out the door right at anywhere from $500 to $1000. Depending if you do it yourself and how frugal you are in your parts scrounging. Best of luck. That can be a great machine.
When I was a child, I used to talk as a child, think as a child, reason as a child; when I became a man, I put aside childish things.
1 Corinthians Chapter 13 - 11

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Old 11-19-2011, 09:34 AM   #3 (permalink)
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No such thing as a free sled

Welcome to the forum! You sometimes can find engines on ebay for pretty cheap. Al's Snowmobile Parts Warehouse - Snowmobile Parts, Snowmobile Parts, and More Snowmobile Parts is another place to buy used parts. Al's is a used part warehouse and is good to work with.

Good luck on your project!
2007 Dragon RMK 700 155", 2008 RMK 600 155", 95 Prowler 550 2-up, Really OLD AC Cheetah

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Old 11-19-2011, 10:46 AM   #4 (permalink)
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Don't hear of a lot of snapped connecting rods. Usually see cooked pistons or crankshaft bearing damage. Replacing the engine is probably your easiest and cheapest route. Ebay, CraigsList, or salvage yards are your best resources depending on where your located. Regardless, I suggest you also rebuild the carbs and make sure the jets and primary clutch weights and springs are stock if you expect it to last. Many people exchange longevity for performance and end up with engine damage.
Welcome to the forum...and the snowmobiling addiction.
94 Polaris XLT - XTRA 10, Ski Skins, 3" riser
97 Polaris Ultra
96 Ski Doo Formula III 600 (sold)
97 Polaris XLT Limited - XTRA 12 (My Son's)
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Old 11-19-2011, 01:40 PM   #5 (permalink)
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where you from?
97 ultra spx slp can geared clutch and 144 studs.(mine)
96 XLT studded with reverse(12y/o son)
98 xcf 440 (wifes sled)
96 puma 340 elec start(kids sled)
96 cougar 550 2up bone stock (sold)
96 XCR 440 clutched (sold)
92 indy 500 bored,clutched. piped(sold)
85 indy 400 (11 y/o son's sled)(sold)
87 yamaha excel 340 (parting out)(sold)

2011/2012 miles :00000000
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Old 11-19-2011, 11:01 PM   #6 (permalink)
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Fuji 488's

If this sled has the Fuji 488 liquid cooled engine in it, Polaris put these in a million different sleds, so look for one that was wrecked on Craiglist or ebay. The 440 liquid cooled motor will most likely work too, just not as much power (obviously). The cranks are the same on the 440 LC & 488 fan motors. I have 3 of these sleds and they're great, as long as they get oil. I rebuilt 2 of these. One was an oil pump went bad and the other the crank bearings rusted when a guy stored the sled outside.

Good luck!
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Old 11-08-2012, 02:10 PM   #7 (permalink)
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Its wierd that the connecting shaft is broke. Usually a piston arm goes or a baked cylinder. Thats what happened to my sled in my profile pic. But if your not familiar with snowmobile engines or engines in general buy the liquid cooled 500 non-fuji engine. More reliable
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