Pistons
Posted by gasman on Apr 12, 2013; 8:37pm
URL: http://silk-motorcycles.221.s1.nabble.com/Pistons-tp5000789.html
Just a reminder to all who have bought new pistons, check the distance between the bottom of the piston and the crankcase when the piston is at BDC. Mine appeared ok but when the engine got hot I heard a slight tapping sound. When the better got me I stripped the barrels off again to find a lovely mark all the way round the crankcase. I have removed 40 thou from the bottom of each piston. Also while i'm at it I am converting to the 3/8 chain.
URL: http://silk-motorcycles.221.s1.nabble.com/Pistons-tp5000789.html
Just a reminder to all who have bought new pistons, check the distance between the bottom of the piston and the crankcase when the piston is at BDC. Mine appeared ok but when the engine got hot I heard a slight tapping sound. When the better got me I stripped the barrels off again to find a lovely mark all the way round the crankcase. I have removed 40 thou from the bottom of each piston. Also while i'm at it I am converting to the 3/8 chain.
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