At the risk of being publicly humiliated/shamed/flamed let me share what I did in all it's ugly glory...
This was my son's bike. It was running rough, seemed to be firing on one piston. Weak spark on #1 so started by replacing plugs... with wrong plugs NGK CR8E instead of the correct CR8HSA! (Never trust the internet. Unfortunately I found this site too late.) Obviously the bike just turned over but could not run like that with holed pistons. So with that off my chest, some questions.
Should I be worried about the amount of carbon on the pistons, especially #1 on left? I have removed the engine and replaced the pistons with used using original rings. I'll be adjusting the valves and re-installing the engine hopefully this weekend. Engine has less than 5000 miles and bike is in great shape. Should I do anything with the carbs, or leave them be?
Thanks!
Last futzed with by oakleaf; October 16th, 2018 at 06:24 AM.
Reason: Trying to get image link to function.
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