Probably had the vacuum petcock removed they sucked. You should just take out the front mounting bolt remove throttle cable from top of the carb disconnect decomp cable if you still have one and lower the motor. Makes it easy to get to everything. While you have it down replace intake gaskets while looking at the reeds which might need replacing as long as you’ve gone this far. Also check the plastic ring in the carb where the intake goes. Those are prone to leaking if someone has been messing around with it.