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Old 06-10-2009, 12:14 AM   #1 (permalink)
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1983 Polaris Indy Trail 440cc

Hi, I have quite a few questions regarding problems or general concern to my 1983 Polaris Indy Trail. This sled has been in my family since it was new and I recently inherited it.

The easiest question I have is studding, last winter while riding I got stuck trying to get up this monster of hill it was icy and steep but I have no idea how to properly stud or if I should (the hill is the only thing keeping me from getting home lol).

Second question, last winter a few weeks after the hill incident (I got towed up the hill) I trailered my sled a few spots down the trail and started my journey with a friend. I stopped at the gas station filled up my tank (slightly lower than full) and went to grab a bite to eat. It has never had a problem with starting until today It would not start I tried and many other people tried for about 2 hours to get it to start. We had to walk to the truck and trailer it home. It would not start until I randomly tried yesterday with no problems what so ever it fired on the first pull. Here are the symptoms I experienced on the day it would not fire.

-The sleds power seemed bogged down, it usually flies this time it took a little to go.

-It would not idle it would sputter out if I left it.

-When I went to start it after filling up the gas whenever I would go to pull I couldn't pull it was as if someone was holding the cord inside the engine.

-I pulled off the spark plugs and it would allow me to pull again but foamy gas came shooting up and continuously did so.

-While running the engine smelled unusual such as it smelled to rich I believe (really smokey)

All symptoms never experienced before my friend said something about a pan under my engine needing to be drained that catches unused gas or something.

Thank you and sorry about the lengthy post.
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Old 06-10-2009, 12:16 AM   #2 (permalink)
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The engine is 440cc by the way with 2up seat and brand new belt.
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Old 06-10-2009, 06:42 AM   #3 (permalink)
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If it that rich, running as you say,Then it is probably a hung up needle valve in your carb. There is a bolt right under the manifold pipe on Polaris to drain the excess gas from crankcase. You need to pull the carbs, clean them, and replace the needle valve or free up the floats.
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Old 06-10-2009, 10:56 PM   #4 (permalink)
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Thanks but..

I opened up the carbs and they look brand new I mean completely shining silver and gold but the sparkplugs are all black. and also I replaced the fuel filter and its dirty again.
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Old 06-10-2009, 11:00 PM   #5 (permalink)
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Check that the choke slugs are not hanging up or not sealing completely. The rubber on the bottom of the can get hard and not seal or crack, allowing too much fuel. This will cause low end bogging and plug fouling.
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1980 Indy Trail 440 (for sale)
1980 AC Pantera (donor engine to the 90 wildcat)


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Old 06-17-2009, 12:38 AM   #6 (permalink)
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I took it to a mechanic and he said its my needles and jets and that I just need to clean them out and he let me off with he advice for free. However I have no idea how to disassemble is it simple I am somewhat mechanically stable so if I'm pointed in the right direction I will have no trouble. Thank you all so much by the way!
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Old 06-17-2009, 08:33 AM   #7 (permalink)
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Old Cat Rider
'93 Wildcat 700EFI
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/


Worshipful Master; F&AM Dryden Lodge# 472
http://www.masonicdryden472.org/

Rules of this forum are strictly enforced!
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