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Post by riseandrun on Jun 22, 2015 20:37:43 GMT -5
HI everybody,
There is a package deal on craigslist not too far for me, and one of the saws is an XL500 automatic. Green handle and side cover, S/N 19895415. I was texting back and forth with the seller and he mentioned that "the big one doesn't seem to have compression but the 2 others do." Other than rings, piston, cylinder, is there something "easy" that might cause a no compression on the saw? Is there a compression release on this saw? All I can do is drool over the picture.....
Thanks
R&R
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Post by Clasec on Jun 22, 2015 21:22:18 GMT -5
My XL 500 doesn't have a release. Possible a broken reed could cause low compression. Best to remove the muffler and inspect the piston.
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Post by sawnami on Jun 22, 2015 23:32:13 GMT -5
I had a guy tell me that a saw that that he had didn't have any compression because the recoil wouldn't engage the flywheel. I'd ask the guy how he determined that it didn't have any compression.
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Post by riseandrun on Jun 23, 2015 7:15:18 GMT -5
Thanks guys. You might have something there Sawnami because in the picture of the saw the recoil rope is hanging out a little like there is an issue there.
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Post by sweepleader on Jun 23, 2015 9:49:40 GMT -5
I have 3 XL500's, none has a release. Someone on this list suggested using 50% acetone and ATF mix in the cylinder to free up stuck rings, sorry but I don't remember who. Anyway I have used that method on several saws and it works like a charm. Squirt some in the plug hole or exhaust port, turn the motor over a little and wait. Repeat a couple of times. The acetone dissolves the crud sticking the rings, the ATF lubes the parts I guess. Anyway, that may just fix the problem. Of course you cannot try this until you own the saw and it falls into the "rings, piston, cylinder" comment you made above.
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Post by riseandrun on Jun 23, 2015 20:32:20 GMT -5
All great ideas guys. All for nought however. I texted the owner and he told me it was sold. The original listing mentioned he didn't want to seperate the 3. I think he might have gotten a bit perturbed when I asked him if the recoil was connecting and he was sure the piston was going up and down. Honest question I thought. Probably someone I wouldn't want to deal with anyway. :-) LOL. At least that helps the CAD syptoms...
By the way you guys have some very enviable collections....
R&R
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Post by sawnami on Jun 23, 2015 23:26:01 GMT -5
I always ask if a saw pulls over if the seller doesn't state it clearly in the description.
I keep a pump-up sprayer on hand with a 50/50 mix of ATF and acetone. The ultimate solvent wintergreen oil.
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