Chainsaw Repair

066 Evolution

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 (so quit using the junk aftermarket gaskets!).


Early 1995 - OHSA (NOT EPA) forced the dicontinuation 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 labling...


Early 2002 - Name changed from 066 to MS660.