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Old 02-19-2007, 05:17 PM   #1 (permalink)
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Smile Rmk 800

I was looking through the want adds in my area and came across a '01 Polaris RMK 800. It has reverse and says it's in mint condition. They listed the price as 2600. From what the add said, is that a good deal? I'm looking to upgrade the Yami for something bigger with a nice long track for powder and better trail riding. Any help would be great, thanks guys!
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Old 02-19-2007, 10:17 PM   #2 (permalink)
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Old 02-20-2007, 12:50 AM   #3 (permalink)
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That should be an Edge with the non-ves engine, lots of power. The earlier ones had more problems with crank failure than the later ones. Get the crank runout checked when you buy it, especially if it has more than 2500-3000 miles. If you plan on riding hard, get the upgraded PTO bearing, torque stop, push stop, maybe an engine plate, and get the clutch balanced.. those have helped a lot in keeping the crank together...

I love my 800's, you won't be disappointed in the power or the ride, on or off the trail.
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Old 02-20-2007, 04:12 AM   #4 (permalink)
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Awesome thanks BC_Dan. I'm gonna call the guy today and ask about everything. I'm hoping it's at least the 144, but I would prefer the 151. Anyways, thanks for the help and I'll keep you updated today on what the dealer has to say.
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Old 02-20-2007, 10:51 AM   #5 (permalink)
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My 2002 has the 144" x 2", it's probably my favorite length. I enjoy going through the trees and the shorter track allows you to turn a bit easier. My 2004 has the 151", it doesn't climb that much better than the 144". Both of 'em will outclimb me
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Old 02-20-2007, 11:34 PM   #6 (permalink)
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I dont think that is that great of a deal. Its an ok sled but its in the gen 2 chassis and dosent have power valves, I also think that has a 136 not a 144 so i guess thats all i can say. Also ive heard and have personaly experianced a older 800 burn down about every 3000 miles due to the crank. I guess its up to you but if it was me i would wait for atleast an 02 when they changed to the edge chassis, but the 03 had alot of improvements over the 02.
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Old 02-21-2007, 04:14 AM   #7 (permalink)
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Thanks plyr2k, that helps because now I HAVE been looking at '02's. They're not that much more money and they have less milage which is nice. I think I'm gonna wait because I've been hearing a few things about them that I don't exactly like. But I appriciate the help from both of you guys. It's good to know there's people out there that have these sleds that can help out!
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Old 02-21-2007, 10:50 PM   #8 (permalink)
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Please let me know what you've heard about the 02's. I ask because i have a 02 700 rmk with over 4350 miles on it and have replaced the pistons/rings only because i noticed a slight drop in conmpression and after changing them seen little stress cracks in the skirts. MY sled has also has had a slp single pipe on it for over 2000 of those miles. In my mind this ves 700is one of the most reliable engines out there.
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Old 02-22-2007, 04:39 AM   #9 (permalink)
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A guy I ride with is the Polaris dealer, last night while riding he said don't bother with the 800's. Too many problems. He said the GEN I Edge chassis with the 700 Liberty are the best sled you can buy, no matter what model. He said the 800's tend to eat valves, blow cranks and other things. He said out of 100 motor jobs he might have to do one that is a 700cc Liberty in a season. So to sum it up his advice was to stick with the 700's, for those years anyways.
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Old 03-05-2007, 11:43 PM   #10 (permalink)
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I have about 4000 miles on my 2002 800, it has an SLP single pipe on it, SLP airbox, also added the torque stop and push stop as well as an engine plate; had SLP do a big bearing on the crank, and it has never had a problem. Balancing the clutch seems to help some guys as well. it's faster than my 700 and has a higher top end, even though the 700 has a 136 and the 800 has a 144...
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Old 03-16-2007, 03:15 PM   #11 (permalink)
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Rmk 800

Whats the scoop? I'M looking at a 2003 800 151 with 800 miles, as new, stock, will the crank or bearings fail, should I tear it down now or what?
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Old 03-17-2007, 11:16 AM   #12 (permalink)
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To give yourself some peace of mind, have the crank runout checked. If it's within specs, it should be safe for a while. The problem with the 800 isn't entirely the crank; the crankcase is very pourous and the amount of torque the engine has eventually starts wallowing out the PTO end of the crankcase. The case eventually gets big enough and sloppy enough that the crankshaft breaks.

The large bearing kit increases the surface area in the crankcase so there is more area in the crankcase to absorb the energy. An engine plate also stiffens things up and minimizes any flex in the engine. The additional torque stop and push stop stabilize the engine. Going to harder durometer motor mounts keeps things lined up, but you will have more vibration in the handlebars, as the harder motor mounts transfer the vibration more than the stock.

Most problems with the crankshaft come on at about 1500-2000 miles, so if yours has 800 miles on it, you probably still have time. My 2004 has about 1400, this summer's project will include all the things mentioned above with the exception of the motor mounts; I dont' like the extra vibration.

Some 800's have gone 5-6000 miles with NO problems, perhaps they got a good crankcase that was a bit more dense in the PTO area.
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Old 03-18-2007, 11:46 AM   #13 (permalink)
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Thanks for the good advice, a bit more on the run out check, can you do this by removing the primary and dialing it in just by hand rotation, or doe the engine have to be running?
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Old 02-07-2008, 05:07 PM   #14 (permalink)
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I've got a 2001 800 rmk, I was lucky with the crankshaft (so far) and the pickup on it is awesome. My neighbour and I constantly drag race eachother up one of the ski runs on the mountain we live on and I consistently beat his modified 05 900 right on take off and easily by 100ft everytime. I've also heard some horror stories about these sleds and everything comes back to the crankshaft or the belt setup for the oil pump. Personally, I'd never buy a sled with a reversible gearbox, they're heavy, weak and blow themselves up. It's the reason why most manufacturers have gone with electronic reverse on their 2 strokes. Reversible gearboxes suck, I've rebuilt three at the hill I work in the last 2 months and I'd rather dig myself out and manhandle my sled around than have the gearbox blow.
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