Yup. Extended use too lean resulting in a slow, imminent death. IMO.
Was runnin like never before real crisp!They normally do have lots of power when they run lean up top as long as they don't lean out such as from a seal or boot leak where the leak gets worse with speed/load. Idle is affected by the idle circuit...so you had a good idle tune and probably no leaks...but the high side was a bit lean
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How about the carb settings, proper amount of turns out?I will do a pressure/vac test this weekend and see what happens.thanks for the input. I wiil post with results.
Spec was 1.25, the hi side was about an 1/8 less.How about the carb settings, proper amount of turns out?
I get your drift. That being said, i have learned a lot.Trying to build an engine off the internet with 20 different advisers sometimes works............sometimes doesn't.
Trying to build with aftermarket, inexpensive parts sometimes works...............sometimes doesn't.
Trying to gain knowledge enough for a complicated task, without prior experience sometimes works.......well you know
Personally i don't go by spec turns out or in except as a base setting to get it running...then i set my idle speed, turn base idle in until the saw takes off some...add L screw until it slows...fine tune it so it doesn't load up at idle. Then wind it up for the high speed...i go rich...smoke and low revs...then turn it in until it hits peak..then back out til it burbles.Spec was 1.25, the hi side was about an 1/8 less.
Meaning it was leaner on the tune right that could do it.A Tach would be a good idea to set it up next time to factory recommended RPM.Spec was 1.25, the hi side was about an 1/8 less.
Ill see about getting one.Meaning it was leaner on the tune right that could do it.A Tach would be a good idea to set it up next time to factory recommended RPM.
Im screen capturing this, itll go in my chainsaw filePersonally i don't go by spec turns out or in except as a base setting to get it running...then i set my idle speed, turn base idle in until the saw takes off some...add L screw until it slows...fine tune it so it doesn't load up at idle. Then wind it up for the high speed...i go rich...smoke and low revs...then turn it in until it hits peak..then back out til it burbles.
Then back to idle...rip it full throttle...if it drops revs on tip in, give it a bit more idle fuel...if it sputters rich on tip in..take some idle fuel away. Once it accelerates clean off idle...set base idle where you like it. Punch it wide open again...should accelerate smoothly up to the 4 stroking high setting...then finish off the high speed tune in wood. Sounds complicated...takes about a minute.
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Im too deaf!Or just listen to it and "feel" it..
I have occaisionaly. Not a lot because its usually harder to start.What does the plug look like ??? It may give you a clue as to what was going on inside the engine. I remember this rebuild and I would say you covered all the bases but things happen . Kind of a crap shoot sometimes rebuilding these old saws . It is defiantly lean seized .
Just one question . When your out cutting wood do you run the saw completely out of fuel at WOT before refilling the tank. This can cause a lean running condition.
I'll take a pic tomorrow.I have occaisionaly. Not a lot because its usually harder to start.
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