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Old 12-30-2012, 08:58 PM   #1 (permalink)
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2002 Summit 700

Good day ladies and gents I have a 2002 summit 700 which was running great until today. I took it out for a quick ride and shortly after it warmed up it started bogging out in low to mid range throttle??????? slow pretty good and all out seems to work great. Can someone please tell me whats wrong with my machine. It will idle all day starts easy seems to run great accept for this. Seems to be around 4-5500 rpm range.
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Old 12-31-2012, 07:01 PM   #2 (permalink)
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Well that seems odd I am the only one to run into these symptoms with a skidoo engine. Forums don't seem to work to well these days everybody reads and nobody replies.
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Old 01-01-2013, 05:25 AM   #3 (permalink)
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Have you cleaned the RAVE?
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Old 01-01-2013, 07:42 AM   #4 (permalink)
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There are 1000000 threads on this. Clean the carbs.
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Old 01-01-2013, 02:43 PM   #5 (permalink)
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Guess I should have stated I am new to sledding and very unfamiliar to the mechanics of the new ones my last sled was an ELAN 12 early 70,s. I will try carbs first. Not sure how to clean or even what the rave is. I looked at lots of threads pretty much all of them still open with no resolution this is why I posed the question again. Even if you run premium fuel they still gum up and get dirty ah?
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Old 01-01-2013, 05:04 PM   #6 (permalink)
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Yep, and some oils are better at helping them stay clean longer too.
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'90 Wildcat Project in progress.

Vintage (sorta)
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1980 AC Pantera (donor engine to the 90 wildcat)


http://www.dcdrifters.net/


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Old 01-01-2013, 05:59 PM   #7 (permalink)
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There is a carb cleaning and RAVE cleaning tutorial in the how-to's section of this forum. Very easy to do. Just take your time. Spray carb cleaner and compressed air are a must though!
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Old 01-01-2013, 06:10 PM   #8 (permalink)
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Thanks for the advice guys I will try those ideas and I will report back as to what it actually was in the end.
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Old 01-03-2013, 09:38 PM   #9 (permalink)
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So did a bunch of stuff like cleaned carb ect ran out of things to check so I had a dealer check it out and as I figured they came back with inconclusive but thinking its the DPM? Great fn 700 part. they say now its bypassing the DPM any body see a issue with this? They said it better but not right just the answer you want from a dealer. I am planning on taking it out this weekend to see what they say is better. I am so frustrated. One thing I noticed before it started acting up is temp was less than half and after i noticed the issue temp does not register a temp at all which is weird because it always did. Does this ring a bell with anyone as being a part of the issue. What is the consequences of bypassing the DPM and do I need it at all. Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Old 01-04-2013, 06:00 AM   #10 (permalink)
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Maybe the temp sensor has failed and that is causing a default rich condition.
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w/ Comet 108 Pro-4 clutch & 01 ZR skid

'90 Wildcat Project in progress.

Vintage (sorta)
1980 Indy Trail 440 (for sale)
1980 AC Pantera (donor engine to the 90 wildcat)


http://www.dcdrifters.net/


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http://www.masonicdryden472.org/

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Old 07-08-2013, 11:11 PM   #11 (permalink)
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Sounds like a bad clutch
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Old 08-21-2013, 10:12 AM   #12 (permalink)
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I was thinking clutch as well but I know its not the DPM. The solenoid on the DPM only kicks in when you at at an elevation of a few thousand feet. I think it's 3000ft or 8000ft. Cant remember which. So unless you riding in these elevations the solenoid isn't going to activate and if he disconnected and it still does it, then obviously that wasn't the issue

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Old 08-21-2013, 03:16 PM   #13 (permalink)
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Is this being riddin' on snow? Just curious, it is only August.

When it bogs, does it sound more like a drag on the engine or does it sound like it is losing power. I suppose that takes a trained ear to hear, but clutch/belt issues can cause it to bog down.

If it is engine, I would suspect it is not getting enough fuel. Check filters, screens (inside tank), carbs. Is it possible you have water in the fuel? Maybe a can of iso-heat.
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Old 08-21-2013, 06:57 PM   #14 (permalink)
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Thread started in December of last year, the OP has not checked it since 1-3-13. Probably not going to get much more info on this problem
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Old 08-21-2013, 07:09 PM   #15 (permalink)
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LOL, noticed that after I posted. Just following Pattyboy7's lead.
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Old 08-21-2013, 07:35 PM   #16 (permalink)
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I was following...............derp derp. I got nothin.

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Old 08-21-2013, 10:06 PM   #17 (permalink)
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Shoot, at least we know someone is thinking about snowmobiles this time of year
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Old 08-21-2013, 10:17 PM   #18 (permalink)
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Quote:
Originally Posted by BC_Dan View Post
Shoot, at least we know someone is thinking about snowmobiles this time of year
Why, is there something else to think about?

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