Fuel pump issue?

[Venture07]

I rode this sled two times last season, WOT it would seem to act like it is running out of fuel and lose power.
I decided to park it and not mess with it until now.
It wont start. I pulled both fuel lines that feed the carbs from the fuel pumps, cranked it over and no fuel comes out of the fuel pump.
I check the vent and blew into it and nothing, checked the fuel filters in the tank and appear to be good.
I tried two new fuel pumps and still no fuel from them as I crank it over. Thinking I need to have it running to get good pulse to the pumps so I was able to get the motor to run by squirting fuel into the carbs and still no fuel from the fuel pump.
I thought the pumps will flow fuel out of the fittings as it cranks over but maybe they don't.
Any ideas?
Thanks

 

[maim]

sounding like you are having a vaccum issue. all carbs firmly in their boots? can you suck fuel up the lines from in the tank to make sure filters are not plugged or the lines split? will it pick up fuel/run when using a different fuel supply (hanging bottle)?

 

[Metallicat]

Both of the fuel pumps went bad in my 2008 Vector a few years ago. It would starve for fuel above 3/4 throttle and then shut down. I bought a set from Barn of Parts for like $20 and that solved my problem.

 

[Metallicat]

Both of the fuel pumps went bad in my 2008 Vector a few years ago. It would starve for fuel above 3/4 throttle and then shut down. I bought a set from Barn of Parts for like $20 and that solved my problem.

Sorry, just noticed you already replaced the pumps!

 

[Venture07]

Finally got it started, had to prime the new pump in order for it to start.
It wont stay running with out the choke being on in full.
Going to remove the carbs and clean them.