I most likely corresponds to the chain's drive pitch or gauge or another special characteristic of that specific chain. First figure out who makes the chain, then consult a guide to their markings,...
Most chain saws have an automatic oiler the is run by mechanical means or engine vacuum. A few have only a manual oiler that must be pushed. Some have both. Necessary for all is the filling of the...
Chainsaw manufacturers recommend their own brand of chain for their chainsaws. However, you can use any brand as long as it fits or is made for your model.
Remove the clutch cover, loosen the bar and slide it back. Remove the old chain, install the new one and tighten it. Make sure you don't tighten it too much or you will wreck it. Too much tension on...
you will need a ratchet, extension, 1/2 inch socket & a flat head screwdriver. Loosen the bar tension screw until the chain is loose. Then remove the two nuts & remove the bar, slip the chain...