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1991 polaris trail deluxe
- bogging, wont go over 45-50 mph..
started by snowsled82
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January 12th 2009 at 7:26 PM
[ Modified January 12th 2009 at 7:30 PM
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snowsled82
New Member
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93 Posts 
Group: Members
Member Since: July 27th 2007
Location: northeast, pennsylvania
Current Sled: 2002 xc edge 600
2008-2009 Miles: 0
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I took the polaris out to my friends house for a test ride on a airplane feild. and the sled is very smooth, BUT from dead stop floor it, bogs and going slowly then revved up to like 40-45 fast then kinda stay right there. when im still flooring it, the rpm climbs fast to 7,200-7,300 rpms. then when it reaches 40-45 mph, i watch the rpm back off while im flooring it. 7000 rpms to 6200 rpms and stays right there. slowly climb to 50. The sled was done, no more power at all. kinda feels like its bogging on upper end too. I can watch the rpm kinda go from like 6200-6000 then 6200-6000 over n over while flooring it. so what can be wrong?
Clutch is clean, (by brake cleaner) carb is clean, new plugs, track is not tight, im stumped. Im currently am talking to madcow abt clutching thru pm, but what do u guys think? the dealership gave me br8es spark plugs and i put that in, looked at the hood tag it say br9es so im gonna buy that tmrw. air screw out 1 turn, i did that. so what else can i check?
Tomorrow im putting in all new filters, clean the carb again, check all bearings, buy a new belt (mine is old)
Im wanting to wake up the performance a little bit. I will be glad to hit 70 mph on trail so im not left in the snow dust too much. I know the sled is no powerhorse. im keeping her tho, for the daughters n wife.
so what can i do? gear down the top sprocket? by how much? mines a 133 track. anything else?
Thanks in advance. Rich
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January 12th 2009 at 8:48 PM
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kenv56
Starting Member
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28 Posts
Group: Members
Member Since: January 15th 2007
Location: Carman, Manitoba, Canada
Current Sled: 02 600 Edge X
2008-2009 Miles: 1100 miles
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Definitely replace the belt, you would be amazed how much difference that can make.
Also Both of the clutches should be inspected for worn bushings and other worn out parts.
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January 13th 2009 at 8:09 AM
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^^yep if you are having issues start with the basic maintenance first. belt, plugs, actually take the carbs apart and clean them. then if that is all good then inspect the primary spring to make sure its not broke, if the springs are more than a few years old and you are having running issues then I would replace the springs. start with a new primary spring and see what that does, dont buy a used spring.
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January 13th 2009 at 5:56 PM
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frdmustang92
Starting Member
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42 Posts
Group: Members
Member Since: December 27th 2008
Location: elmira, ny
Current Sled: 99 mxz 670 ho
2008-2009 Miles: 1100
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i would look into possibly crank seals my indy 500 ran like you describe aqnd my seals were shot now it runs like a raped ape top out on the frozen lake at about 95mph looked real quik
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January 13th 2009 at 7:13 PM
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snowsled82
New Member
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93 Posts
Group: Members
Member Since: July 27th 2007
Location: northeast, pennsylvania
Current Sled: 2002 xc edge 600
2008-2009 Miles: 0
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ok, will update the result next weekend since im busy traveling this weekend.
clutch work, belt is gonna happen. just dont know how soon with the clutch, but bought a new belt today, and didnt ride it yet.
frdmustang92. thanks! i totally forgot abt the crank seals. thanks for savin my neck, im gonna get em checked out. need the sled ready for a whole month of feb to ride. I doubt it will ever do 95. im not looking for this kind of speed. i think ur is a liquid? as i should have mentioned it. its a
1991 polaris trail deluxe with a 488 fan.
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January 17th 2009 at 6:09 PM
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snowsled82
New Member
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93 Posts
Group: Members
Member Since: July 27th 2007
Location: northeast, pennsylvania
Current Sled: 2002 xc edge 600
2008-2009 Miles: 0
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is this the right gasket kit for the 488 fanner?
http://cgi.ebay.com/ebaymotors/ws/eBayIS...&viewitem=
no work done to the sled yet. been too cold and i have no garage, gotta go to my dads shop soon to work on it. thanks.
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January 18th 2009 at 6:17 PM
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snowsled82
New Member
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93 Posts
Group: Members
Member Since: July 27th 2007
Location: northeast, pennsylvania
Current Sled: 2002 xc edge 600
2008-2009 Miles: 0
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anyone?? abt the ebay kit.
i cleaned the carbs, changed my gas, new plugs and belt, still runs the same, so its probably the clutch. i sprayed carb cleaner around the seals, and the engine didnt raise the rpms, so i assume the crank seals is good? im starting to get frusturated with this sled. maybe i should leave it alone til the title arrives to be sure.. hmm 
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