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So I finally pulled all the guts out. And everything looks perfect. The fuel filter is gunky, so I'll change that, I don't think its ever been changed. But the lines themselves look perfect.
any other ideas?
Take a closer look at the fuel filter housing. There was an issue with it before where it would be out of round, and not sealing properly, which has been long-ago addressed by MOCO.
The hose pinholes that are being discussed were more common on the pre-6 gallon tanks.
Take a closer look at the fuel filter housing. There was an issue with it before where it would be out of round, and not sealing properly, which has been long-ago addressed by MOCO.
The hose pinholes that are being discussed were more common on the pre-6 gallon tanks.
took a look and seems to be ok. I couldn't find any pin holes. Flashed the ECM to a different tune. fired right up. Great..... shut her down, went to start again, and same problem persists.
I'm about to throw in the towel
Those pin holes are real small and almost to small to detect with the naked eye. You need to pressurize the system like I did.
Get yourself a Fuel line pressure gauge and install it. If the pressure drops more than a few pounds in a few minutes you have a problem in the tank. Mine will maintain pressure for a couple of days and still only drop to 20+ lbs.
If it is a pressure problem with the tank remove the guts from the bike.
Installe a long piece of hose to the outlet that the check valve connects to. Put the whole unit under water and force air pressure into the hose. It will show your leak.
Over 60 psi the regulator will exhaust the overflow. Under 60 psi the regulator should cease to purge the excess and the pressure will be maintained. If there is any leak anywhere it will show up as air bubbles in your water tank.
Those pin holes are real small and almost to small to detect with the naked eye. You need to pressurize the system like I did.
Get yourself a Fuel line pressure gauge and install it. If the pressure drops more than a few pounds in a few minutes you have a problem in the tank. Mine will maintain pressure for a couple of days and still only drop to 20+ lbs.
If it is a pressure problem with the tank remove the guts from the bike.
Installe a long piece of hose to the outlet that the check valve connects to. Put the whole unit under water and force air pressure into the hose. It will show your leak.
Over 60 psi the regulator will exhaust the overflow. Under 60 psi the regulator should cease to purge the excess and the pressure will be maintained. If there is any leak anywhere it will show up as air bubbles in your water tank.
thanks for that Rusty. Ill take a look again. *fingers crossed*
Just wanted to let everyone know, in case anyone encounters the same issues as I did.
The problem was the compensator eliminator. Apparently, the eliminator, with the EZ start 551 cams, didnt play nice. For whatever reason, it would spoin the engine too quic at start up and confuse the ignition as to when to send spark. I was getting spark as I let off the starter.
Just wanted to let everyone know, in case anyone encounters the same issues as I did.
The problem was the compensator eliminator. Apparently, the eliminator, with the EZ start 551 cams, didnt play nice. For whatever reason, it would spoin the engine too quic at start up and confuse the ignition as to when to send spark. I was getting spark as I let off the starter.
Swapped the compensator back in, problem solved.
thanks for this update. I am having same exact problem, that started after the comp eliminator install. I also have the 551 cams. I did the tank fix and it worked fine for a day, then back to hard starts. Maybe I will have to get a new compensator for it.
Well, that was unexpected and I learned something out of this one. I was going to say how my post about the tank stand was a bit out of place in this thread, but now it's even more so. I had that stuff on my mind for a while, and looking back it's not really relevant.
I had originally made it to polish the tank and found it useful to keep using. Any time the tank comes off it goes on there immediately, not on the floor or the bench. But yeah you don't have to take the tank off to do any internal work that I can think of, and I should have said so. Here's a picture of it.
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