Stūmoklio kaištis STIHL FS490 C-EM, FS490 C-EM K, FS490 C-EM KW, FS490 C-EM L, FS490 C-EM W, FS490C, FS491 C-EM, FS491 C-EM L, FS510 C-EM, FS510C, FS511 C-EM, FS560 C-EM, FS560 C-EM Z, FS560C, FS561 C-EM, FS561 C-EM Z