Author Topic: Solo 603 Replacement Piston and Cylinder  (Read 3687 times)

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Offline Cut4fun .

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Re: Solo 603 Replacement Piston and Cylinder
« on: October 09, 2012, 12:32:20 pm »
The Stihl 066/660 big bore piston is not a match and cannot be made to match. It is too short overall and the pin to deck is also too short.

From the Bailey's website . . .

Stihl 066/MS 660 with Big Bore Kit
Bore 56mm
Height 39mm
Head Type Flat
Piston Pin 12mm x 7mm x 33mm
Rings 56mm x 1.2mm Ductile Split Groove
Circlips 12mm
Compression/Pin to top of Piston 15.25mm
Compression/Pin Center to top of Piston 21.25mm


I wonder question how accurate baileys info is on BB piston. I wonder why the info on their big bore differs from a 54mm 066 piston so much in length etc.  ???

stock 54mm 066 info

    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

 

 

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