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Piston JP made in Australia

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Piston JP made in Australia

Posted by francis_vidril at December 01. 2018

Do you know what is the clearance (play) piston - cylinder that it is necessary to put for piston JP made in Australia on one commando ? Thank you

Re: Piston JP made in Australia

Posted by colin_peterson at December 01. 2018

I believe standard clearance is 0.004" (0.1016mm).

Re: Piston JP made in Australia

Posted by john_holmes at December 01. 2018

You need to get JP's figures, only they know the alloy used in the piston and hence the expansion.

Re: Piston JP made in Australia

Posted by boo_cock at December 02. 2018

I once had a set of JP pistons for a Triumph T90. I had a wonderfull time sweeping a piston from crank cases. It went just like a grenade. Now I would never EVER use the crap again. Just thought I would let you know, that's all.    You would be much better off with either Gandini or Hepolites.

YOU HAVE BEEN WARNED!

Re: Piston JP made in Australia

Posted by ashley_cutler at December 02. 2018

Or modern Omegas. These are quite tough and have recently survived an engine failure intact.

Re: Piston JP made in Australia

Posted by francis_vidril at December 03. 2018

Yes, OMEGA must be good pistons, but they are expensive and I have not yet found the cause of the 400-kilometre tightening with the GPM.

Thanks alls.

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