2004 550 Fan Trail Touring - 24XX miles - HCS Snowmobile Forums

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Old 01-17-2011, 02:30 PM   #1 (permalink)
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Current Sled(s): '04 Polaris Trail Touring 550F
10-11 Mileage: 500+ miles
Default 2004 550 Fan Trail Touring - 2800+ miles

I've got a low mileage 550 Fan Touring.... Lots of reports on the net about them having engine problems due to a lean condition in the 30-50mph range....

Of course, you don't necessarily believe everything you hear on the 'internets'.

I don't use the sled a whole lot. Almost 500miles the year I got it (2007?) and anywhere from a 1/2 - 2 tanks of gas the years following it. Last year was a miserable season locally. Without a trailer, I only managed 80miles.

I burn hardly any oil, I'm thinking about doing a 100:1 premix for weekends/ trips where I'll be going through a bunch of gas....

I can't see that being enough to significantly change the Air:Fuel ratio, but it might be just enough as to be insurance....

The local Polaris shop denied any problems with the 550 Fan engines when I went fishing for answers at the beginning of the season. He said, if there was a problem, it would have already happened.

Thoughts?

Yay or Nay on adding a bit of oil to my gas?

Last edited by petee_c; 01-25-2011 at 10:44 AM.
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Old 01-17-2011, 03:00 PM   #2 (permalink)
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I have a '01' 550 supersport that I bought new and now has only 1000 mies on it. Have read the same thing about the 550 fan engine and think about it when taking the sled out but hell bought the sled to enjoy the ride so if it happens that the engine takes a crap I guess it will be time to upgrade.

You never added oil to the gas before so why start now.
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Old 01-17-2011, 05:44 PM   #3 (permalink)
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Quote:
Originally Posted by petee_c View Post
I've got a low mileage 550 Fan Touring.... Lots of reports on the net about them having engine problems due to a lean condition in the 30-50mph range....

Of course, you don't necessarily believe everything you hear on the 'internets'.

I don't use the sled a whole lot. Almost 500miles the year I got it (2007?) and anywhere from a 1/2 - 2 tanks of gas the years following it. Last year was a miserable season locally. Without a trailer, I only managed 80miles.

I burn hardly any oil, I'm thinking about doing a 100:1 premix for weekends/ trips where I'll be going through a bunch of gas....

I can't see that being enough to significantly change the Air:Fuel ratio, but it might be just enough as to be insurance....

The local Polaris shop denied any problems with the 550 Fan engines when I went fishing for answers at the beginning of the season. He said, if there was a problem, it would have already happened.

Thoughts?

Yay or Nay on adding a bit of oil to my gas?
i have a pdf from the dealership on the tech tip related to the melt downs if you're interested.
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Old 01-17-2011, 07:56 PM   #4 (permalink)
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Current Sled(s): 13 Ski Doo GSX 600
Previous Sled(s): 11 Polaris/Yamaha/Ski Doo
Location: Fletcher
Favorite Riding Area: Averill
13-14 Mileage: 1625
12-13 Mileage: 1210
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When Polaris switched to the Edge chassis is when the issues surfaced with the 550's. I have 2 of them....the 2002 has been bullet proof, the 2005 (Edge) has been rebuilt twice. After the first rebuild by the dealer that didn't fix the problem I did some digging to find out how to fix the problem. I don't know if adding oil will help at all. Is the 2004 an Edge chassis?
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Old 01-17-2011, 11:18 PM   #5 (permalink)
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Quote:
Originally Posted by outlaw67 View Post
i have a pdf from the dealership on the tech tip related to the melt downs if you're interested.
Yeah, I'm interested. PM sent

I added a touch of oil to my tank tonight as a starting point.... mixed about 350mL in 20L and then added it to the fuel already in there.... Came up to about 7/8ths full, so almost a 100:1 ratio... probably about 125:1

I think the oil tank level dropped a wee bit. Probably only 200mL in 20L used (both amounts are rough guesses)

Did about 40miles tonight.... Feather the throttle anytime the speed was in the 30-45mile range.

P
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Old 01-17-2011, 11:21 PM   #6 (permalink)
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Current Sled(s): '04 Polaris Trail Touring 550F
10-11 Mileage: 500+ miles
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Quote:
Originally Posted by barnyardbanker View Post
When Polaris switched to the Edge chassis is when the issues surfaced with the 550's. I have 2 of them....the 2002 has been bullet proof, the 2005 (Edge) has been rebuilt twice. After the first rebuild by the dealer that didn't fix the problem I did some digging to find out how to fix the problem. I don't know if adding oil will help at all. Is the 2004 an Edge chassis?

Yeah my 2004 has an Edge sticker on it. BTW, it's got almost 2800 miles on it now....

Can you post pics of your fix?

Peter
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