Need Help With Phazer II - Snowmobile Forum: Your #1 Snowmobile Forum

jaysun23 · 02-06-2013, 08:25 PM

sled is a 94 Phazer II. When I picked it up, it would only run with the choke on half. pulled and cleaned the carbs and now it starts up and idles fine without the choke. I can run it for about 10-15 seconds and it starts to sputter and will eventually die. When it sputters, I can flip the choke to half and then flip it back to off and it will run again for 10-15 seconds until it sputters again and again i have to flip the choke to half and off again. It does surge quite a bit right after I do that. After the carbs were cleaned, it ran fine for about 10 minutes, but now it's having this problem. Any ideas on where I should start looking?

yamadad4 · 02-06-2013, 08:34 PM

did you make sure the openings on the air box side of the carbs were clear? one is a direct feed to the main jet circuit, one leads to the pilot circuit, and the other leads somewhere unknown until i figure out where it goes.

been working on figuring it out and theres some good info in the "ask yamadad4" sticky.

from there, you may have some other underlying issues, but be sure you have addressed these areas.

jaysun23 · 02-06-2013, 09:19 PM

I didnt check. Guess that will be tomorrow's project

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Conda2 · 02-07-2013, 02:42 PM

Make sure the caps inside the carbs are in the right spot

sschwartz911 · 02-19-2013, 12:22 PM

I have the same snowmobile with the same problem. Did you figure out what was wrong? Mine was running fine two months ago and now when I'm ready to ride its screwing me up. Please help!!!

jaysun23 · 02-19-2013, 07:22 PM

Took it in to the shop and they said that the pilot jet was clear,but they couldn't get compressed air through the pilot circuit, so they soaked it overnight in cleaner and now they can get air through it. They were putting everything back together when I talked to them, but not sure if the problem is fixed for sure yet. I tried cleaning with spray cleaner, but looks like that was pretty ineffective.

sschwartz911 · 02-20-2013, 10:21 AM

I called the local yamaha dealer and they told me the carberator was probabably gummed up do to the ethanaol being added to fuel. He said that just sttting for a few weeks can cause this. They have to clean all the carbs in any new sled they sell just to prevent warranty calls. They suggest a full cleaning once a year regardless. at $100 a year I'm going to try it my self. Let me know how yours works out!

Phaze · 02-20-2013, 11:11 AM

Quote:

Originally Posted by sschwartz911

I called the local yamaha dealer and they told me the carberator was probabably gummed up do to the ethanaol being added to fuel.

One of the reasons why I use premium. It doesn't contain ethanol, at least not the gas stations I frequent.

**RJ Gleason** · 02-20-2013, 01:37 PM

Not always an option in many areas.
Best if you use a stabilizer in the fuel, my preference is Seafoam as it cleans and stabilizes.

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jaysun23 · 02-20-2013, 09:36 PM

got it back and the thing is running just AWESOME!! They had to completely strip and soak the carb and had to replace some fuel line. I'm planning on only running non-ethanol, which I can find pretty easily and some seafoam for cheap insurance. Hopefully this doesn't need to be done again, but for now I'm very happy. In hindsight, I could have maybe done it myself, but since this is my first sled, it gave them an opportunity to go over everything else to make sure all is good to go.

sschwartz911 · 02-21-2013, 10:01 AM

I took my carb off cleaned everything and replaced. Runs great too. The main jets were gunked up and was probably all I needed to do but hard to get to on the sled. No more regular gas for me.

sschwartz911 · 02-21-2013, 10:05 AM

Having trouble with the carb switch adjustment. Took it off but didn't need to and now I can't get it set right. Any ideas? Looks like it's only there to set idle rpm. Can i run with out it for now?

yamadad4 · 02-21-2013, 07:39 PM

those are a pain to remove, surprised you got it off. did you break it? most do.

you will need it to have an idle, but you can by pass the switch by plugging the two wires leading to it into themselves. under those springs is a left hand thread nut. 8mm or 10mm, cant remember. by holding that nut, you can back the idle bolt out to allow for replacing the tors switch.

sschwartz911 · 02-22-2013, 09:43 AM

I bypassed it and am running without it for now. Got it to idle at 2000 but tops out at 5000 40 mph and I know it can get to 70 mph. I think the adjustments I did to the carb to get the idle is affecting the top end. Any thoughts?

yamadad4 · 02-22-2013, 07:00 PM

check the butterflies and see if they are fully open and match each other at wide open throttle.