Originally Posted by England-Kev
Piston + Barrel upgrade...
You guys who have done the upgrade to new Gilardoni Barrel sets, I wonder, did you feel the need to change the big end bearings at the same time? Also, is there any way of telling if your bike has already had the cylinders changed to Gilardoni?
Here you go Kev. If they are Gilardoni they are stamped right at the base of the cylinder between the lower two fins. The easiest way to check if you have iron bores is the put a stick magnet down the plug hole. If it sticks like crazy: iron sleeves. Barely at all: nikisil. Not at all: chrome.