17-09-2020, 04:27 PM
The 405 has a little 'vacuum' capsule and spring loaded plunger to the rear of the pump, that is adjusted on a screw thread in a similar manner to the throttle rest stop or full throttle stop. I've adjusted this right back, it still stops the throttle snapping shut, but only just. The zx does indeed have a damper like a mini boot strut., and it's working as intended.
My musings are that as I have increased the fuel level, my reindexing of the throttle arm (I turned it further away from the pump to 'cure' some dead movement) is now holding a part of the pump open somewhere, or slowing its return to idle somewhat. The idle has increased very slightly since turning the fuel up. I've not gone mental with it mind, a max of 3/4 of a turn in total.
I'm wondering if all I needed was to turn the fuel up, and should have left the throttle lever where it was. Could it be possible that the fuel screw was turned out so much, that the first 1/4 of the throttle wasn't even injecting enough fuel to rev the engine?
Cheers for all the replies by the way
My musings are that as I have increased the fuel level, my reindexing of the throttle arm (I turned it further away from the pump to 'cure' some dead movement) is now holding a part of the pump open somewhere, or slowing its return to idle somewhat. The idle has increased very slightly since turning the fuel up. I've not gone mental with it mind, a max of 3/4 of a turn in total.
I'm wondering if all I needed was to turn the fuel up, and should have left the throttle lever where it was. Could it be possible that the fuel screw was turned out so much, that the first 1/4 of the throttle wasn't even injecting enough fuel to rev the engine?
Cheers for all the replies by the way