"Wayne" wrote in message
...
I have a chainsaw where the chain wants to not stay in the bottom of
the blade. There were some notches (2 sets) in the drive gear/sprocket
(clutch hub) so I replaced that. I figured once it moves over to the
outboard notch, the chain wouldn't stay in the blade.
Once a motorcycle chain stretches, it will wear out the sprockets
faster. The chainsaw chain stretches like crazy compared to a
motorcycle. The chain is driven differently on the chainsaw though.
So like on a motorcycle should the chain be replace when the sprocket is
replaced?

The saw worked fine with the chain out of the blade. I do have a groove
in the plastic cover that holds down the blade.

Thanks,
Wayne D.

Are you calling the bar the blade? The bar is the grooved flat carrier of
the chain that has the slot all around to hold the chain in place. I would
think that the sprocket would be made of hardened steel, and last through
several chains. If you get excessive sprocket wear, something's not right.
Check to make sure your oiler is working and not plugged up. A lot of people
use their chainsaw and never blow it out with air, or disassemble slightly to
clean out the shavings, and they can become hard packed or freeze, and all
bets are off. Disassemble frequently, and blow it out, or at least brush it
out, and make sure the oiling channel is free flowing. When I use mine, I
have a scrench (T handled screwdriver with two sized hex sockets), and I
adjust the tension frequently as needed. Watch for any heating up and
burning or scorch marks on the bar, as that indicates a lack of lubrication
by the oiler.

Steve

Um, I meant bar... I knew that!

Wayne D.