06 Fusion not running right

**TWOTONECHEVY_600FUSION** · 01-25-2009, 05:29 PM

It is an 06 600 fusion. in the past week it has started to bogg down when you are idling and go to tack off with aggressive throttle. it will sound like the motor is getting choked out and almost dies. i didnt now if it could be bad gas because my buddy when up north and melted a piston and the tech said it was the ethonal in the gas. i am fairly new to this it is my first sled.

**TWOTONECHEVY_600FUSION** · 01-25-2009, 05:36 PM

it will also back fire and pop when you try to give it some throttle. i have had the sled for three weeks and has 1300 miles i put 100 miles on it and the previous owner was 60 and liked to cruise with it up north. so help me out want to go ride.

**2doo** · 01-25-2009, 05:42 PM

Almost sounds like a fouled plug

**TWOTONECHEVY_600FUSION** · 01-25-2009, 05:53 PM

already put new plugs in yesterday when i removed all of the gas out of the tank even went to and got gas with no ethonal in it.

**97xcr440** · 01-25-2009, 07:03 PM

clean the carbs, pay special attention to the pilot jets, they maybe particialy clogged. I highly doubt it was ethanol because we have been running it here in lower wi for a few years. I havn't seen any ethanol issues but alot of water and lack of proper storage issues.

If you arnt going to burn the gas up in 3-4 weeks use marine or regular stabil.

**TWOTONECHEVY_600FUSION** · 01-25-2009, 07:22 PM

I will have to try that this week. i just didnt think the carbs would be the problem because the dealer i got it from serviced it a week before i bought it and i have only burned maybe a tank and a half. it had to have been service around the first of the year. the dealer also did all of the maintance to it for the old owner since he had it

**snowbug** · 01-26-2009, 09:05 AM

I agree with 2doo sounds like a bad plug.
Do the simple stuff first Take compression test, its easy and conferms that your cylinders are ok.
Change plugs.
(even a brand new plug that gets oil fowled will continue to act up).
Check that the oil injection is in specs.
Some Dealers and mechanics set the oil injection to run on the rich side (thinking slightly richer is better) and this can cause a excess build up of injector oil in the crankcase especially on snow machines during periods of idling. (this happens because the case is cold and oil sticks and builds up on the cold crank case surface and collects at the bottom of the case)

The result is you hit the throttle and the high velocity of incoming air/ fuel mixture picks up the excess oil hanging around in the crank case and on the walls and sends it into the combustion chamber. periodicly, this can oil fowl a plug.

(Thats why guys racing at motocross events just seconds before they drop the flag, they bring there rpms up to like 6000 plus rpms to (clean out the crank case and get the flow rate up to acheive a great throttle response and reduce the possibility fowling of a spark plug during a race)
Poor quality fuel
Poor quality oil
too much oil,
Idle mixture scew set too rich.

**m_scott** · 01-26-2009, 09:47 PM

do those sleds have the same safty switch in the throtal as the old polaris do?? 1980 ish

kinda sounds like thats whats going on

**TWOTONECHEVY_600FUSION** · 01-27-2009, 04:54 PM

Don't know to much but will to much oil hurt the motor or anything else or is there going to. Be more problems if I don't turn it down such as the plugs and the valves or what else may go wrong with it please help

**2doo** · 01-27-2009, 05:34 PM

I don't think too much oil will hurt anything but your wallet. I would not advise turning the pump down. You have something else going on other than oil. Did you try a new set of plugs? Plugs may look good and spark good laying on the motor but not work so well under compression.