Stihl 066 Parts list Manual

Stihl 066 Chainsaw Parts Identification

Stihl 066 Parts list which is suitable for identification of all component parts for the Stihl 066 chainsaw. The parts list is available as a full PDF download. The 066 chainsaw was rebranded and became the Stihl MS 660 (Stihl MS 661 C-M) which is still being used today. It has however gone through various updates over the years since its introduction in 1994.

Early 1994 – Thin cylinder base ( Red light etc) changed to “thick base”. Base screws changed from M6x20 to M6x25

Mid 1994 – Beefed up crank – Crankshaft BIG end changed from 12 to 13 roller pins from serial number 129 588 002. At the same time, the cylinder base gasket changed to rubber coated Steel.

Early 1995 – OHSA (NOT EPA) forced the discontinuation of the Dual port Magnum muffler from serial number 131 960 509. HP dropped to 7.2

Mid 1996 – decomp valve fitted on all 066 from serial number 131 960 509

Early 1996 – Poly flywheel installed and crankshaft bearing increased in size from 13.5 to 15mm from serial number 131 917 066

Early 1998 – shrouds and filter box changed from squared to “rounded ” type. Limiter caps on carbs and EPA labelling…

Early 2002 – Name changed from 066 to MS660.

This is a Parts list Manual for the Stihl 066 chainsaw.

It will give you clear diagrams and all the information you need to fix or maintain your chainsaw.

Contents of Stihl 066 Parts list Manual

Introduction, Specifications, Clutch, Engine, Ignition system, Rewind starter, Throttle control, Fuel system, carburetor,Av system, Shaft, Cutting tool drive, Support frame, Special servicing tools and aids

Stihl 066 Parts list Diagrams