Stihl MS 660

51MS 650, MS 660
English / USA
Installing spur sprocket /
rim sprocket
: Clean the crankshaft stub and
needle cage, and lubricate with
STlHL grease (“Special
Accessories”).
: push needle cage on to crankshaft
: After fitting clutch drum or spur
sprocket, rotate it about one turn to
engage oil pump drive.
: Fit rim sprocket with cavities facing
outward.
: Refit washer and E-clip on the
crankshaft.