The head looks OK as far as I can tell, but the photo is a little blurry.
Could have been caused by air leak makinig it run lean, either from carb or around head.
Not sure what you are refering to as to carb hook up.
The sleeves are press fit. You either have to take it to a shop and let them do it.........or, If you are the advertureous type, you can try and do it yourself. To do it yourself you need to pull everything off the top end and put the whole thing in an oven at around 400 degrees for 45 - 60 minutes. The sleeves will often drop out then, or come out fairly easily with a few taps on a wood block. Reverse the process to put the new sleeve back in, and be sure to align the ports.
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2008 Yamaha FX HO Cruiser
2010 Hurricane Sundeck 2100
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