3872 - OREGON REPLACEMENT RIMS 3/8" PITCH - 7 TOOTHOregon Replacement Rim Sprockets For ChainSaws.Â 3/8" PITCHÂ Â -Â 7 TOOTHStandard Splined Rims have a sprocket bore of approximatelyÂ 7/8".Please have saw model and sprocket type available when ordering.Choose From: Part # Description 387 3/8" pitch - 7 Tooth 388 3/8" pitch - 8 Tooth 3257 .325 pitch - 7 Tooth 3258 .325 pitch - 8 Tooth 4047 .404 pitch - 7 Tooth 4048 .404 pitch - 8 ToothComstock Logging Supplies stresses the importance of regular maintenance. This does not stop at the sprocket; aÂ misused sprocket will cause patterns of chain wear which can damage the guide bar and reduce the life of chain, bar, and sprocket. Proper maintenance includes:â€¢ Proper chain tension; loose chain tension is a leading cause of sprocket problems.â€¢ Clean all build-up from splined hub so the rim can float freely.â€¢ Never run an old chain on a sprocket.â€¢ Apply grease to the clutch drumâ€™s bearings each time the sprocket is removed.
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- 387 - OREGON REPLACEMENT RIMS 3/8" PITCH - 7 TOOTH