Report Abuse. Honing out the cylinder is just taking the edge off if you will. your just cleaning it up abit. You shouldn't have to get a bigger piston. but what you might want to check is if that is the original piston or if it has been replaced.
A common cause of variegation is the masking of green pigment by other pigments, such as anthocyanins. This often extends to the whole leaf, causing it to be reddish or purplish. On some plants however, consistent zonal markings occur; such as on some clovers, bromeliads, certain Pelargonium and Oxalis species.
Or perhaps the soil drains poorly. Fungal diseases can strike azaleas and cause browning leaf margins and other symptoms. Dieback, a fungal disease triggered by stress, causes foliage to wilt and yellow and twigs and branches to die. If you see brown streaks on the cut stem, this is the problem.