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Okay, so update on my bike... I have a broken valve cover bolt. Yes, it's broken in the thread. No, it is not sticking out of the thread. Also, to make my day just that much more awesome, it's the middle upper right one. It looks impossible to even try to drill out without removing the coils or...

Got em all set up right! My lowest clearance is .0045", on just on intake valve, and my highest is .007". I figure the intake valve running a little tight is not as big of a deal since it's the exhausts that tend to run hotter. Now on to carbs...

Thanks amc! I read what you said in the other thread I posted, and it seems I was the one who got it mixed up. That's great news. So my target is .005", but what is a good upper limit spec? I know one of my valves was closer to .03mm so I'll have to loosen it up. Checking clearances at tdc...

So I'm measuring my valve clearance and I'm getting some wayyyyy wide readings. It looks like whoever did it last confused the .05mm spec with .005 inches. I'm getting readings ranging from .100mm to .150mm. This is safe for the valves, but surely would decrease performance, right? I may not...

Thanks for the info. I've had an experienced mechanic (runs a shop focused on vintage japanese bikes) take a look at the bike, and he's the one who told me the carbs needed a cleaning. He is also the one who told me to do the dynojet upgrade. With the carbs working well, valves in spec (.005 as...

Thanks! I'm sure I'll need one for the rebuild.

Hi guys! I recently purchased a Nighthawk 750Sc. It's got ~35,000 miles, and aside from the MAC looking 4-1 exhaust, it looks pretty stock. The PO told me he had rebuilt the front brakes, cleaned the carbs, and changed the oil and filter. After that it sat for two years. The owner before him...