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Old 11-30-2013, 02:57 PM   #1
Bronco85
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Default Need help with a 95 500 Summit

Anyone know much about them? I need to get mine looked at, but cant afford to take it to one of the dealers.

I don't have full throttle anymore it bogs down and holds around 5000 RPMS and will slow down till the matching stops still holding 5000 rpms. Then ones I let off the throttle it will die, then usually be a pain in the *** to start up.

It's just in general being a pain in my ***. Engine only has about 761 miles on it.

I had that stator replaced last fall at Alaska Snow machine salvage and it ran worse then it did before, but with a little more power.

I'll buy you beer if you can fix it for me
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Old 11-30-2013, 03:35 PM   #2
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Default Re: Need help with a 95 500 Summit

500 or 583?
Have you cleaned the carbs?
Checked fuel lines for cracks?
Sounds like a fuel problem, have you read your spark plugs to see of it's running rich?
Tested compression?
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Old 11-30-2013, 04:05 PM   #3
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Default Re: Need help with a 95 500 Summit

clean the carbs should fix that problem sounds like the needle valve is sticking, only about 2 hours worth of work
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Old 11-30-2013, 04:18 PM   #4
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Default Re: Need help with a 95 500 Summit

never dug into a carb before.. Anything to worry about as far as tuning or anything goes?


Fuel lines are all good cleaned them out as well as filters last fall. That helped a little but not much really.
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Old 12-01-2013, 12:01 AM   #5
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Default Re: Need help with a 95 500 Summit

Pretty simple carbs on the summits, I've cleaned them dozens of times they are really straight forward. You can download the summit repair manual online, if not I can send it to you.
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Old 12-01-2013, 09:22 AM   #6
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Default Re: Need help with a 95 500 Summit

Check your fuel pump and pulse line. Are they full of oil?

Choke adjusted properly?

Correct spark plugs? Fouled?

Carbs syncronized to each other?

Throttle kill switch not functioning properly? (Throttle cable too loose?)

Pickup line in fuel tank in good condition and reaching the bottom? Filter on the end of the line plugged?

Water in your fuel tank?

Compression readings?
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Old 12-01-2013, 11:05 AM   #7
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Default Re: Need help with a 95 500 Summit

If it's like my 670 summits, there isn't a choke, both of mine had primers.
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Old 12-01-2013, 08:50 PM   #8
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Default Re: Need help with a 95 500 Summit

Start with the basics before you dive into the carbs. Inspect and or check for the following:

-Fuel lines
-New spark plugs (gapped correctly)
-Spark plug boots in good shape with a solid connection?
-Bad fuel (how log has it been?) if its been a while, clean out the tank regardless.
-TPS (throttle position sensor), might be worth replacing regardless as they commonly act up. If I remember correctly, you can unplug them and see if that fixes the problem.
-Check all of your rubber boots, especially near the carbs, for leaks.
-I would then clean the carbs. You should be able to eat off of them. If you've run old/bad fuel, there's a good chance that they could be plugged up. Watch out when you remove the needles, and don't loose the Jesus clips. Pay attention to where they are set. Eyeball all of your jets.
-After that, if you still have issues, you may want to replace your coils if you haven't already, I've seen some issues there.
-Inspect the clutches, I've seen clutch issues cause major bogs and other issues.


Are your carbs mikuni's? Flat slide or round slide? (It's been a few years).
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Last edited by Full83size; 12-01-2013 at 08:52 PM.
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