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I recently had my Stihl 090 out on a 95 degree day and it vapor locked within 5 minutes. It took a long time to cool off in order to restart. My suspicions are that the high ethanol content, coupled with a slight vacuum in high temperatures made it ripe for the vapor lock. I'm using...

Thanks but the service manual doesn't have what I need. I need specifically to speak with someone who has done a complete 090 rebuild.

Anyone here knowledgeable? My questions are about the oiler adjuster mechanism. PM me if you're familiar. Thanks, woodshave

I rebuilt a stihl 090 a while back and I have hit a major snag. It seems that the impulse from the crankcase is drawing oil back into the crankcase and drowning my saw in bar oil such that it won't start. When I removed the oiler to examine I studied the parts diagrams and found that I am...

My flywheel has a timing mark but that means nothing. I need the light to tell me when the electronic trigger fires. I have no way to set the timing other than to run the saw and see if my flywheel mark is anywhere near the 3mm btdc mark that I will make on the chassis. How else would I do...

Can anyone tell me if a regular automotive timing light will work to set the timing on a chainsaw? I just got an electronic ignition module to convert my 090 from p&c but I don't know how to verify timing with the electronic unit.

Im in NY near Albany. If this rat is nearby, I'll put a stocking on my head and take a bat and..er..uh...I'll check it out for you. :smoking:

o.k. ultra, for those of us who just don't know, what's wrong with the port job you're showing us?

You've got to be smart as an Epay seller. Write up a good disclaimer that clearly states in large letters and small words "AS IS". Also include that if the buyer gases it, runs it, or runs it over, it's his responsibility. Make no claim of power or smoothness or any other subjective...

I've done that very thing and had the cops give me the shakedown for stealing. I pulled a log half buried in the mud from a construction site that had been sitting for weeks. Cop said if I didn't have written permission specifically about the log it's illegal. When I pointed out that it was...

Yeah, I'm confused too. How did the electrode get down to the piston? ...And maybe someone can explain those multiple point electrode plugs to me. Electricity will only arc across the path of LEAST resistance. There can't be two paths of least resistance. So, the spark is only going to be...

Maybe you should ask your pals why every man stares at big boobs. You sure don't need 'em that big. But they sure are fun to have around.:D

No, but if you lean the other way you should buy this guys fouled 088... http://albany.craigslist.org/grd/2060894911.html

How can the intake duration increase?

A fella locally has an (older? EXT700) EFCO chain grinder for $30; complete and functional except it has a broken plastic fan cover. Should I get it or would it be another project trying to get parts to make it even MORE complete?;)

I think that would just clog up the wheel but quick. What about a steady stream of air?

Yep, That's what worked. Thanks!

:bang: I need a bit of technical help in removing a clutch from my 028 Super AV. I've got the cylinder off and the piston braced with wood from below to prevent movement. I'm putting a socket on the hex center of the clutch carrier and torquing clockwise; everything is flexing and I'm...

Very cool animation spaaydog I think that clears up a lot. Still, hard to believe things could bounce around in there that fast but you can't argue with what works.

I thought the idea of a "tuned" pipe was similar to that of a pipe organ. The pipe is shaped to create a resonance or "standing wave" which will aid in quicker discharge of the exhaust gases. I can't conceive of how, at 10,000+ rpm, you could reflect anything back into the cylinder. Why go...