Chainsaw Repair

Save some specs from past threads here

Meteor
    Stihl 066, MS 660
    Replaces Part Number 1122 030 2005
    Bore 53.96mm
    Height 43mm
    Head Type Flat
    Piston Pin 12mm x 8mm x 33mm
    Rings 54mm x 1.2mm (Caber F-Cast GH.F)
    Compression/Pin Top to top of Piston 17mm
    Compression/Pin Center to top of Piston 23mm

out of ole threads
Stihl 066 660    54mm
Piston Pin 12mm x 8mm x 33mm
Pin top to top of Piston 17mm
Height 43mm

Stihl 066, MS 660 piston 
Replaces Part Number 1122 030 2005
Bore 54mm
Rings 54mm x 1.0mm
Height 42.75mm
Head Type Flat
Piston Pin 12mm x 36mm x 7.75mm
Compression/Pin to top of Piston 17.0mm

pop up around measuring across 33.30mm

bore 53.96  (53.96)

height to squish outer  42.85mm (43mm) and to top of pop up 43.75

pin top to top of pop up 17.60  (17mm)