Ok, so I finally pulled the top end apart to check the state of play.
Head is original and unmarked, piston had some decent carbon buildup, I'm assuming due me running too lean trying to clear up the stutter at 1/4 throttle?
Initial solder squish measurements show 1.9mm at the outer edge and 2.6 at the limit of the solder being squashed (about 10mm in from the outside edge)
The barrel has a definite lip where the rings "finish" so I'm assuming a rebore and replate is in order?
My main questions are regarding the barrel, the need to send the head to be sorted is a given.
What is the plating used on the barrel and is there anything should know before handing it over to be rebored?
Head is original and unmarked, piston had some decent carbon buildup, I'm assuming due me running too lean trying to clear up the stutter at 1/4 throttle?
Initial solder squish measurements show 1.9mm at the outer edge and 2.6 at the limit of the solder being squashed (about 10mm in from the outside edge)
The barrel has a definite lip where the rings "finish" so I'm assuming a rebore and replate is in order?
My main questions are regarding the barrel, the need to send the head to be sorted is a given.
What is the plating used on the barrel and is there anything should know before handing it over to be rebored?