woodsman said:Is it when your saw is running just right? How do you adjust the carb for that?
12guns said:If your saw if "four stroking" it's running too lean, too much air, not enough gas. While adjusting the high speed jet, you'll notice when turning clockwise, your saw will run much faster rpm's, and sound smoother (four stroke).
Starting with the low speed needle out 1 turn and the high speed needle out one turn, run the saw wide open with the bar and chain on, no load, open the high speed needle by turning the screw counter-clockwise. When it stops screaming and has a slight burble-like noise in the exhaust, that is 4-stroking. This is where you want to leave the setting. Under load the fuel-air ratio will be really close. HiOctane was right on the money here. Cheers.HiOctane said:12Guns,i dont want to offend you,but the description you give is the reverse of the reality.When your saw is 4 stroking,it means you are running a too rich mixture,so the engine is blubbering running at lower rpm while running lean will give you more rpm and a better,smoother exhaust note.
Woodsman,be careful if you are not familiar with carb adjustment.The line between lean and rich condition is thin .
This part is ok.Slight blubber out of the cut,then in the cut the note should change to a smoother one.12guns said:if you're setting your h speed jet out of the cut, you didn't want it running smooth...in other words, you want some "blubber" . What I mean is to get the saw to the point of no blubbering...then back down to slight blubber. Right? .
If she was running with the sound changing back and forth as you say,it means you were running(condition in the cut)a BIT rich probably.The engine was going from "4 stroke to 2 stroke condtion" to explain it simply.woodsman said:Thanks 12guns and all. No I am not all that familiar with carb adjustment and I sure want it to be right. I just replaced the Walbro WT-239 on my Husky 41.
I have noticed in the past when cutting at full load that the sound would change back and forth. Kind of hard to put in to words, but the saw was runnin good.
It sounded like I was pumping the throttle a little,
Newfie said:Isn't four stroking what Gypo,Marky,Hoffman and Dan get up to at the GTG?
rahtreelimbs said:Only if you are the pivot man!
Newfie said:Isn't four stroking what Gypo,Marky,Hoffman and Dan get up to at the GTG?
rahtreelimbs said:Only if you are the pivot man!
Newfie said:I wouldn't want to steal dennis' job.
rahtreelimbs said:I am sure he would step aside since you a probably used to being in that position anyway!
Newfie said:People who live in glass hou... err or is it people who make windows... how does that old saying go again...
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