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I'll be brief. The motor I was having trouble with, it would crank but not start, is installed and running. I am somewhat embarrassed to say I believe I wasn't giving it enough fuel to fire initially. I would pump the throttle 5-6 times but that apparently wasn't enough. To get it to fire I had to pump the throttle about 10-15 times. After it warmed up and ran for a few minutes it would start right up without pumping the throttle at all.
Sorry it took so long to resolve and I appreciate all the input, but as usual it was something pretty basic. I may have never figured it out if I hadn't taken it to the dyno. It was hard to start there also initially. He assured me he just needed to give it more fuel and sure enough it started. I did alot of work when all I had to do was pump the accelerator a few more times. :bb
I'm guessing you have no choke? But still 10-15 pumps seems like a lot, did you make sure the bowls were full before you tried to fire it up? 10 of those 15 pumps might have been squirting in air.
I'm guessing you have no choke? But still 10-15 pumps seems like a lot, did you make sure the bowls were full before you tried to fire it up? 10 of those 15 pumps might have been squirting in air.
I have an electric fuel pump that primes when the key is turned on. I'd do that 3-4 times and the bowls would fill up midway of the sight glasses. Then I'd pump several times. It has a choke. Evidently the excessive pumping was necessary because the motor had been sitting for a couple of months. After it fired subsequent starts only reqired one or no pumps of the accelerator.
congrats on finding the problem. I assume you mean it only needs a few pumps or none even when cold, right? wouldn't want to get caught on the power tour having a problem.