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Author Topic: Echo cs670 Porting for Work  (Read 870 times)

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Offline Cut4fun .

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Re: Echo cs670 Porting for Work
« Reply #10 on: January 16, 2015, 10:47:37 pm »
Quote from: awol on January 15, 2015, 10:08:21 pm
   Here are the measurements of the stock Echo piston:

   Pin boss width    17mm     .667"
   Pin diameter        12mm    .472"
   Comp height         22.2m    .871"
   Total ht.                40.4mm  1.586"
   Dome ht.             2.29mm    .090"

Good deal.

Here is what I found on meteor 268 piston. I dont know which one though.

Meteor Piston Assembly 50mm for Husqvarna 266, 268 Jonsered 670 Chainsaws Replaces 501 65 88 03

Bore 49.96mm
Height 40.5mm
Head Type Flat
Piston Pin 12mm x 33mm x 8mm
Ring 50mm x 1.5mm (Caber F-Cast GH.F)
Compression/Pin Top to top of Piston 18mm
Compression/Pin Center to top of Piston 24mm
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