Starter cord very difficult to pull. Is there a decompression control? Saw runs fine once started but almost seems as if piston bumps into something inside when I pull the cord.
Might have a broken ring on piston
SOURCE: pull cord difficult to pull..removed from saw it
Make sure someone hasn't run this saw without the oil in the fuel mixture. It is possible it is dry and some galling is happening. Or - if this saw is equipped with a compression bleeder (for easier starting), this could be not functioning and you're pulling through the normal compression (which can be a bit feisty!). Check for misalignment of some type having to do with the pull starter - check that the cord spool isn't rubbing on the housing when you pull. Good luck.
SOURCE: Ryobi 40cc CHAINSAW .... pulled out cord too far
It is usually just jammed, when you go out too far. Ifyou take the recoil starter off or loose , sometimes it goes back in on it own. If not ,carefully disassemble it and see if the recoil spring is broken.
SOURCE: Homelite 16'' chain saw runs rough and backfires
One of two things is wrong. This saw is so old I doubt it has electronic ignition. Pull the flywheel off and clean the points with carb cleaner and sand the contacts very, very lightly with super fine sandpaper or a little file. Second option, the coil is bad, take it to the shop and they should be able to test it for you.
SOURCE: homelite super xl ao runs for a short time, then
Inspect your cylinder and piston as follows:
A written diagnosis by a good independent saw shop ($10-20 I recommend Stihl) might be a good idea at this point.
1. Remove the starter housing. Does the starter operate smoothly? If yes, reinstall the cover and continue with 2, if no repair starter.
2. Is the saw equipped with a decompression valve? Yes continue, no proceed with 3.
· Leave the ignition off, set the valve and pull the starter.
· Pull gently to release the valve. Is there a difference in the effort required?
· If yes continue with 3, if no repair or replace the decompression valve.
3. Was this saw perhaps operated in a lean condition (metal transfer from the piston to cylinder wall)? This may be caused by many things including; leaky intake connections at the engine or carburetor; leaky crankcase seals; or running on gasoline containing no 2-cycle oil.
· Remove the spark plug wire and plug. Remove the muffler, hold a light at the plug hole and inspect the cylinder through the exhaust port. Is it smooth and shiny or does it appear speckled with dull gray spots or smears?
· Pull the starter slowly, inspect the piston as it rises and falls. Is it a dull gray without scratches and gouges?
· Hold the light at the exhaust port and look through the spark plug hole, inspect the cylinder above the exhaust port. Is it shiny and smooth or speckled with gray spots or smears?
Any spots or smears on the cylinder or deep scratches and gouges in the piston indicate the saw was operated in a lean condition. Repair of this on a home owner quality saw often exceeds replacement cost. A repair estimate by an independent saw shop should be considered.
4. The last likely possibility is the saw has jumped timing. This problem or any not discussed is usually beyond the ability of the operator to repair. Please take it to a good local saw seller/mechanic for a written diagnosis before authorizing any repair. HTH
Lou
A short block R² is the usual repair homeowner grade saws. You may find some additional help here:
ArboristSite.com Chainsaw thread (free to join)
http://www.arboristsite.com/forumdisplay.php?f=9
Please do a search for your saw before posting any question.
SOURCE: Can't pull the starter cord,
Hi and welcome to FixYa, I am Kelly
Remove the muffler and clean out the exhaust port and screen. You will have to disassemble the muffler and clean off or replace the screen item 8 of this link:
http://www.partstree.com/parts/?lc=echo&mn=CS-330T++S%2FN%3A+C08611001001+-+C08611999999&dn=7946
Before taking the muffler apart... unhook the spark plug and just pull it though with the muffler removed. If it pulls normally you know you have found the problem.
If it still pulls hard...check the exhaust port of the cylinder head for 2 tiny holes (not screw holes) Some have them some don't depending upon the year of the saw. If you do find 2 small holes that appear clogged with carbon... do your best to clean them out.
Thanks for choosing FixYa,
Kelly
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