Re: 750 Carbs (Again)

Posted by RCOBill on Apr 16, 2013; 11:00pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/750-Carbs-Again-tp4038640p4039533.html

Sorry, for the edit in a hurry here at work.

OK, checked idle jets, not clogged all four carbs. rechecked all the jets and found nothing clogged. Reset and checked everything per the book. Used clean fuel from clean gas can and not the tank and still no joy. It's not getting fuel for some reason, plenty of fuel in the bowls, floats are not the adjustable type. It will rev and sounds great with spray, stop the spray and it falls off sounds like fuel starve.  Pump the gas and it comes back up but dies again and will not hold the RPMs. I can see the pistons lift with the spray as it revs up and it still looks like a carb problem. I have checked the boots, yes they need to be replaced, old and hard but no visible cracks and if there was a vacuum leak it should still run just badly. Must be useable spark as it runs on spray so, what did I miss here.  Ready to move on to a different set of Carbs and give up on the VB42 A set.. What can I replace them with ??  (1980/ 81 bike)

Will trade carbs my VB42 A with good partsm rebuild kit and old CB 650 carbs. will also toss in a set of Mikuni fuel injection bike carbs in excellent shape for something that will work on a CB 750, must be ready to bolt on, I’m done cleaning..

Anybody interested ???