Stihl 066 Chainsaw Service Manual
Stihl 066 Service Manual for the Stihl chainsaw. Repair the 066 (66 Magnum) chainsaw with this PDF workshop manual (SM). The manual has diagrams and accurate information as used by professional mechanics and repair shops to troubleshoot and repair the chainsaw.
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Stihl 066 Specifications
ENGINE DISPLACEMENT:91.6 ccm (5.58 cu. in.)
NUMBER OF CYLINDERS:1
CYLINDER BORE:54 mm
PISTON STROKE:40 mm
MANUFACTURER ADVERTISED H.P.:6.8 B.H.P.
MAXIMUM ENGINE RPM:13,000
The manuals have accurate service information and diagrams to make the entire repair process easy for you. Can be used as guides for other models as they may share key components such as motors. Parts List Manuals (IPL) and comprehensive carburetor Manuals also available on this website.
The Stihl 066 was rebranded and became the Stihl MS 660 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 MS 660.
This is full PDF workshop manual for the Stihl 066 chainsaw.
It will give you clear diagrams and all the information you need to repair or service your chainsaw.
Stihl 066 Service Manual Contents
Introduction, Specifications, Troubleshooting Attachments, Clutch, Engine, Ignition, Starter, Servicing, Controls, Fuel System, Special Tools.
The 066 PDF manual has very detailed diagrams and information as used by professional mechanics, technicians and repair workshops. The PDF manual is designed to get the information you need quickly and easily.