Chainsaw Repair

Somebody was asking about this info. Stihl MS361 oiler upgrade.

Replace the 361 oil pump with the full stihl 460R 3/4 wrap high capacity oil pump assembly. The Stihl part number is.

1128 640 3250 oil pump assembly

You can also use the 361 oil pump and  replace  the piston and control bolt with the 460R parts. The Stihl part numbers for these are.

1128 647 0602 oil pump piston
1128 647 4803 oil pump control bolt


Stock:
MS361 oil piston: 1135 647 0600
MS361 oil control bolt: 1128 647 4806
361 pump: 5.5 to 15cc/min at 10,500 rpm

Stock:
MS460 oil piston: 1135 647 0606
MS460 oil control bolt: 1128 647 4806
Standard 046/441/460 pump - 6 to 17cc/min at 10,500 rpm

Upgrade:
MS460R oil pump piston: 1128 647 0602
MS460R oil pump control bolt: 1128 647 4803
046/441/460R pump - 6 to 24cc/min at 10,500 rpm