300/440/550 ISO 550 mechanic

[Mangles]

Hey guys, I'm looking for someone who is good with these skis in the northeast. I posted the story in the general forum but didn't get any hits. I have a 550 with tons of AM parts that ran great and then just died suddenly. I can't get it running no matter what I do so I'm looking for someone in the northeast (I live in north PA) who is an expert on these skis and can fix it for me. Any help is appreciated, thanks


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[TaintlessEd]

Sudden death sounds electrical imo.
These engines are incredibly easy to work on although can be a pain.
There's three factors to it, spark, fuel, and air.
You're missing one or more.
If it were mine I would check the compression, test the cdi and the stator, ensure your carbs aren't full of sand or something crazy like that.

Don't pay for a mech unless you absolutely have to! I know my local shop is 60 an hour to diagnose and 110 an hour after that.
Become your own mechanic!!!!


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[Mangles]

I know it's more expensive but the ski has some sentimental value and I'd like it done right. Plus I've done every test and replaced every part possible, even rebuilt it with new seals and all. It seems like a timing/tuning issue but I've adjusted the timing every way possible


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[stixx925]

first check compression. second check the spark. those 2 are very easy DIY.