troubleshooting

OK, so here goes, I bought a 1982 cb750sc nighthawk a few months ago, and have now gotten to working on it. The garage I bought it from had the bike running with starter fluid before I bought it and said it was sitting for about 3 years, so the carbs were plugged. I bought a carb kit off of...

On my 1972 CB750K1, cylinder #4 is running cool enough that I can wrap my hand around the exhaust pipe. All other cylinders and systems are running ok. I swapped out the spark plug and it is not the problem. Visually the spark looks normal. No carbon deposits are building up on the plug -- it...