How was the reliability of the 2001-2002 RMK 800's? - HCS Snowmobile Forums

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Old 03-06-2011, 10:32 AM   #1 (permalink)
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Thumbs down How was the reliability of the 2001-2002 RMK 800's?

The title of this thread basically says it all- Ive heard theyre pretty nice machines as far as a guy's first mountain sled goes, but just wondering if they have a good reputation for being on the right side of the tow rope or not-

thanks alot everyone
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Old 03-06-2011, 10:44 AM   #2 (permalink)
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800 twins in the mountains are usually their weak spot. Seems like the flatlanders have better luck with them. The Non-VES motors from 00and 01 in my experience seem to be more reliable. Friend had a 00 800 RMK. Seemed like a really heavy sled compared to most of the other stuff at the time to me. Xtra-lite rear suspension is useless on trails. You will break it in no time unless you are very gentle on it. There is a pinned thread or 2 on the 800's in the XC forum I believe. Good reading.
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Old 03-06-2011, 02:16 PM   #3 (permalink)
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I had a 2001 RMK 800 with 151 that I extended to 156. Bought it with about 3500 miles on her. Guy I bought it from had a fair amount invested as far as performance parts and chassis upgrades. Lots of carbon fiber, entire front end Fabcraft with Simmons FlexiSkis. I did regular maintenance and added a couple more goodies for HP and rode it like I stole it. Gave me EXCELLENT performance AND reliability over about 1800 miles. After I piled er into a tree at about 40 mph the performance started to really suffer :-) The rails held up for me tho. Rode all around CO where trails can develop 2 foot deep whoops for miles on end. I would just hammer through for miles. My roomates 08 REV XP 800 couldn't hold a candle in any way shape or form including handling. Just sayin....
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Old 03-06-2011, 08:57 PM   #4 (permalink)
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Two totally different chassis and two engines that make power very differently. The 02 would be in the edge chassis with the first year of the VES 800 which in my opinion was the best out of all of them power wise.
The 01 Would be a Gen 2 chassis with a non VES 800. It also makes good power but doesnt have the low end that the VES 800 does.

The edge is more of a strait up mountain sled than the Gen 2 is and the front end is definitely better. The rear skids are fairly close to the same performance wise. Most will say go with the edge, I say dont write off the Gen 2 if you have a little money to spend you can have a heck of a sled. You cant beat the attack angle the Gen 2 offers or its ability to get up and on the snow. There is a reason they used Mountain Mod gen 2's to race hill climb for years.
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Old 03-06-2011, 10:12 PM   #5 (permalink)
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I have had a few of each year...
the edge 02 is a better ride than the 01.
800's had a bad crank issue.
never had a problem with a 700 of any year.

there are a few little things u can do to the sled to make it perform better in the mountains....


where u at in the koots?
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Old 03-06-2011, 10:22 PM   #6 (permalink)
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Quote:
Originally Posted by shoobear View Post
I have had a few of each year...
the edge 02 is a better ride than the 01.
800's had a bad crank issue.
never had a problem with a 700 of any year.

there are a few little things u can do to the sled to make it perform better in the mountains....


where u at in the koots?
700's and 800's use the exact same crank shaft and crank case... just with different connecting rods.
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Old 03-07-2011, 05:40 AM   #7 (permalink)
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Quote:
Originally Posted by MTNCATMOD View Post
700's and 800's use the exact same crank shaft and crank case... just with different connecting rods.
wrong..
800 crank has longer stroke, 70mm vs 68mm.
And 700 cases would need some slight machining to accept 800 jugs.
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Old 03-07-2011, 04:56 PM   #8 (permalink)
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Quote:
Originally Posted by ivar View Post
wrong..
800 crank has longer stroke, 70mm vs 68mm.
And 700 cases would need some slight machining to accept 800 jugs.

Ivar, tell me where does the stroke difference come from? The longer connecting rods just like I said.

Yes the upper case on the 700 might need to be machined some to clear the 800 rods and pistons but the basis of the case is the same. I wasnt suggesting to swap pistons and cylinders on to the crank case. I was suggesting the the setup 700 vs 800 has one inherit flaw in the mix. My whole point being the reason you see so many 800 crank failures over 700 failures isnt because of the crank. is because of the longer stroke and the larger pistons putting more stress on the crank.

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Old 03-07-2011, 07:15 PM   #9 (permalink)
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Quote:
Originally Posted by MTNCATMOD View Post
Ivar, tell me where does the stroke difference come from? The longer connecting rods just like I said.
think again
longer rods does not affect the stroke at all
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Old 03-08-2011, 04:06 PM   #10 (permalink)
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Quote:
Originally Posted by ivar View Post
think again
longer rods does not affect the stroke at all
All these years, all these idiots were dropping big dollars on stroker cranks for their chevies when they could have been just getting them some LONGER CONNECTING RODS!

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