Hal,
 
if the engine is out and cylinder off, carb clean is your best bet.  I'd pull
the crank seals and just keep pouring it throughflushing everything out, fill it
with two stroke oil to prelube everything.  I'd replace crankcase gaskets and
seals. Don Jones should chime in, he's the Sachs 340 guru.  I get my
replacement gaskets and seals from Central Snowmobile in Green Bay, WI., and
Tired Iron in NY.  Good Luck!
 
Dave V.
Shiftless in CT


--- On Thu, 7/2/09, hal kolding <bethalk@...> wrote:


From: hal kolding <bethalk@...>
Subject: [rokon] Another CT rokon
To: rokon@yahoogroups.com
Date: Thursday, July 2, 2009, 8:34 PM



Hello, I am in CT, and am a long time Trailbreaker rider. I finally bought a
nice low miles RT340. Unfortunately, it sat with fuel in the tank, which dripped
down into the engine. The cylinder is in excellent shape, piston too, but there
is dried brown goo on the flywheels, and the crank does not move. Dried out fuel
residue binding it up? I have the sump filled with WD40 now. I am thinking
something stronger. I know that I should take the crank out to truly clean it
the right way.....  About all I need besides that is a rear fender, mine got
shortened some time in its life. Hal in CT

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