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Spare piston quality???

Posted: Fri Dec 19, 2008 9:54 pm
by Grani
What is Your opinion of replacement pistons and other spareparts? Which manufacturer is to prefer and which to avoid?

Non genuine parts

Posted: Sat Dec 20, 2008 8:06 pm
by Matt 1944 N
I have used Vapormatic and Bepco and have had no problems with either of these manufacturers.

Posted: Sat Dec 20, 2008 9:54 pm
by Grani
I orded spareparts from a dealer here in Finland and when I got them I was disappointed, with the pistons. I got 5 pcs of one manufacturers and one of an other. I put them on a scale and the 5 was 1,780-1,785kg and the different one was 1,730kg so this is not what it should be. The old ones are 1,685kg-1,700kg and the diameter is exactly the same as the new ones except for the different one that has 0,1mm smaller diameter.
The different one is in the middle. I am conciderig to put the old pistons back with new rings. How mutch is an allowable change of piston weight from original and how big difference between the pistons is allowed?
http://i179.photobucket.com/albums/w315 ... 002-10.jpg
http://i179.photobucket.com/albums/w315 ... /003-6.jpg

Posted: Wed Dec 24, 2008 2:00 am
by JC
Grani,
I've bought pistons, rings, liners, bearings, gaskets, etc. from BareCo and they always seem to be good quality and reasonably priced. They ship fast, too.