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Cylinder head washers
Moderators: KeithZ1R, chrisu, paul doran, Taffus
Cylinder head washers
Am I right in thinking the cylinder head washers are copper and that I can use them again if I heat them up with a blow torch untill red then let them cool again?
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RALPHARAMA
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Correct 
Standard they are plated with nickle? When you cook 'em it will trash the plating but will anneal them, thereby making them malleable enough to seal nicely when torqued. I re-annealed mine successfully and reused them
Standard they are plated with nickle? When you cook 'em it will trash the plating but will anneal them, thereby making them malleable enough to seal nicely when torqued. I re-annealed mine successfully and reused them
Ralph Ferrand
Z1000A1 (1977), Z1300A5 (1983), Z900A4 (1976) GPZ1100 Unitrak (1983)(project), RD250B (1975)(project), ZRX1200R (2005) DT175MX (1981) YZF R6 (1999)
http://www.bikerstoolbox.co.uk
Z1000A1 (1977), Z1300A5 (1983), Z900A4 (1976) GPZ1100 Unitrak (1983)(project), RD250B (1975)(project), ZRX1200R (2005) DT175MX (1981) YZF R6 (1999)
http://www.bikerstoolbox.co.uk
Steve, agree with Vduk, however, I believe on the Z1 series and the Z900-A4, they were all raw copper (not plated) then later they were steel with only the four ouside washers raw copper.
Also, regarding the copper washers, when you say "let them cool" this gives the impression of slow cooling, where as the softing of copper process usually requires "cherry red" heating then the quick quenching in water. The steel washers will not crush as the copper and should not be subject to this process.
RegardZ.
Also, regarding the copper washers, when you say "let them cool" this gives the impression of slow cooling, where as the softing of copper process usually requires "cherry red" heating then the quick quenching in water. The steel washers will not crush as the copper and should not be subject to this process.
RegardZ.
Garn (Sydney) Z1, Z1A, Z1B and Z900-A4
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