Author Topic: Who makes good cylinder, piston rings, for 372 and 390xp's?  (Read 2328 times)

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Offline KilliansRedLeo

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Here are the specs for the Meteor replacement for the standard 372 Husqvarna piston:
 
Fits the following chainsaws:
Husqvarna 371, 372*
Jonsered 2071, 2171

Note This is a single ring piston, 372 EPA saws come with a pair of (50x1.2mm) rings. This piston will fit the the two ring models
Replaces Part Number 503 69 12 71

Bore 49.96mm
Height 42.5mm
Head Type Flat
Piston Pin 12mm x 36mm x 8mm
Ring 50mm x 1.5mm (Caber F-Cast GH.F)
Compression/Pin Top to top of Piston 16.5mm
Compression/Pin Center to top of Piston 22.5mm

Here are the specs for the Meteor replacement for the Stihl 064 piston

Fits the following chainsaws:
Stihl 064, MS 640

Replaces Part Number 1122 030 2001

Bore 51.96mm
Height 43mm
Head Type Flat
Piston Pin 12mm x 33mm x 8mm
Rings 52mm x 1.5mm (Caber F-Cast GH.F)
Compression/Pin Top to top of Piston 17mm
Compression/Pin Center to top of Piston 23mm

Depending on your numbers your may be able to get optimal squish and not have to use a base gasket.
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