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The old saying is run the thing like you stole it or flog it like a rented mule . The only thing I do after a rebuild is richen them up a tad for a few tanks .After that lean em out and drop the reins .

Perhaps some would do that .I would think however a climber working a tree would shut it off until he or she got into position .They do a lot of moving around stripping out a tree . As a logger I'd imagine you drop the tree .Limb it out and cut it into logs .You may just set the brake or not...

Yea I found that out on the 441 model .I think the problem might be is that small little trim saws usually run for about 15 seconds in the course of their intended usage .Where as a 441 or perhaps the new not yet running properly 661 might go at it for several minutes depending on the usage .As...

It would not run I imagine .The first portion of the transfer gets sucked in the air chute thing and goes through a window in the side of the piston from what I understand .It gets deposited in the forward portion of the crankcase some how and is first forced into the cylinder at the very first...

As I understand it the reason the charge of pure air is used is to lessen the amount of fuel enhanced mixture which under normal 2 cycle design would be blown out the exhaust . Think about it .Normally the air/fuel mixture would be sucked in through the crankcase and the heat of combustion...

More on this and it's old technoligy and simple as falling off a log .The older Caterpillars were relatively low compression and used a prechamber type of cylinder head .To assure the induction air on start up was warm enough the starting engine exhaust was directed through the intake manifold...

I just had a brain fart on this ,no kidding .That problem as I see it if it's that simple is the damned things use that cold induced air for the first portion of the transfer .Obviously it cools the cylinder ,doesn't react well . What would happen if somehow the induced air were warmed by the...

I see Bradley David about 2-3 times a year but I've never seen the infamous superduper 201 yet for some reason . Quite frankly I haven't a clue what to do with one .No doubt sooner or later I'll get my hot little hands on one and a 441 and see if I can figure the danged things out .

People either like them or they hate them,no middle ground it seems . The one Tom bought get banished to the shelf .He acquired a couple low hour 200's recently which do get used .