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Stihl drive sprockets

Started by uplander, February 12, 2015, 02:26:48 PM

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uplander

 I noticed that the drive sprocket on my MS250 was getting noticeably grooved. When I went to order parts I saw where one can get 6 tooth or 7 tooth sprockets. Mine came with a 7 tooth.

Forgive my ignorance but what are the advantages one over the other?
Woodmizer lt40G28.  A kubota L4600 with loader and forks.
Various Stihl saws and not enough time to use them!
Finished my house finally. Completely sawn out on by band mill. It took me 7 years but was worth it. Hardest thing I have ever done.

so il logger

The 6 pin would slow the chain speed a little and give a little more pulling power. But not much. The 660 comes stock with a 7 pin and I put 8 pin on them for a little more chain speed.

SawTroll

Quote from: uplander on February 12, 2015, 02:26:48 PM
I noticed that the drive sprocket on my MS250 was getting noticeably grooved. When I went to order parts I saw where one can get 6 tooth or 7 tooth sprockets. Mine came with a 7 tooth.

Forgive my ignorance but what are the advantages one over the other?

Different chain pitches may also be involved, likely .325 and 3/8" Picco in this case.
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