M8 Collar Screw. Models: MS 341 MS 341-Z MS 361 MS 361 C-Q MS 361 C-Q Z MS 361-N MS 361-RZ MS 361-VW MS 361-VWZ Arctic MS 361-W MS 361-Z MS 362 MS 362 C-Q MS 362 C-Q Z MS 362-RVWZ MS 362-RZ MS 362-VW MS 362-VWZ MS 362-Z MS 381 MS 381-N MS 381-Z MS 382 MS 382 MS 440 MS 440-D MS 440-N MS 440-RZ Magnum MS 440-VWZ Magnum Arctic MS 440-W MS 440-Z MS 440-Z Magnum MS 441 MS 441 C-M MS 441 C-M RVWZ MS 441 C-M RZ MS 441 C-M VWZ MS 441 C-M W MS 441 C-M Z MS 441 C-MQ MS 441 C-MQ Z MS 441 C-Q MS 441 C-Q Z MS 441-RVWZ MS 441-RZ MS 441-VWZ MS 441-W MS 441-Z MS 460 MS 460 Magnum MS 460-D MS 460-R MS 460-RVWZ Magnum Arctic MS 460-RZ Magnum MS 460-VW Arctic MS 460-VWZ Magnum Arctic MS 460-W MS 460-Z Magnum MS 461 MS 461-R MS 461-RVWZ MS 461-RZ MS 461-RZ Rescue MS 461-VW MS 461-VWZ MS 461-Z MS 461-Z Magnum MS 650 MS 650 Magnum MS 650 Magnum BR MS 650-R Magnum MS 651-R MS 651-R MS 660 MS 660-Arctic MS 660-Magnum MS 660-Magnum BR MS 660-R Magnum MS 660-W Collar Screw left: previous collar screw 0000 953 6605 on the right: new collar screw 1138 664 2400 with extended shank and stepped thread connection Chain Sprocket Cover The 1125 640 1701 lid is replaced by the 1128 640 1706 version with flares. Previous covers without countersunk holes can only be combined with screws 0000 953 6605. For previous covers, the previous crankshaft cover remains available. The new covers with countersunk holes can be combined with both screws.