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I have just rebuilt the Keihin carbs on my 1970 CB-750. I ordered and received rebuild kits. But the main jets I received were 150's. The jets I removed were 120's. Now I am having trouble tuning the carbs. I can get the idle about right. Although a little high at 1100. The engine runs...

That or the coil is shorted out. Check voltage at your points. if it is less that battery voltage. you have a short. My short turned out to be both coils and it was in my kill switch. Had to take it apart and solder it back together. Be careful it has these itty bitty cir-clips that are...

No Such Thing Lad. I had a really weird problem once. The engine on my 1970 CB-750 would shut down. I checked everything. But could find nothing. one time I was checking the fuse and saw what looked like a small blob of solder inside the fuse. It turned out that the fuse holder had some...

Good point. I live in Texas and it is hot. Even when its not.

Thank you Sir. I have ordered a new pressure switch cause I think that is the problem. Also, as I remember, running 40 or 50 weight might make a difference. Thanks again and hope I can return the favor dirt digger.

Good Morning. I have a 1970 CB750K0. I have recently done a total over-haul on the engine and have around 480 miles on the engine. It run's great ( though I am having a little trouble dialing the carb's in. But I think that is normal for old carbs.). I began to see the oil pressure light...