13-06-2022, 09:29 PM
Hello fellas, I don't know what I've done, but the old box saloon is as flat as a witch's whatsit and I can't seem to fix it...please can I have some bright idea as to what to check?
I've fixed the sticking valves, put the motor back together, starts right away on the choke and that's it, it will only run on choke (very nicely actually!) and as soon as you touch the throttle it almost dies until you take your foot off the throttle and with the choke out it whizzes back up again.
I've had the carb to bits and cleaned it out very thoroughly including all the jets and the the one that's hiding underneath, triple checked for air leaks, plenty of new petrol getting through and it was running perfectly before I pulled it to bits, the only think I've changed is the plugs from NGKs to Champions, but its running great on choke.
I'm beginning to think I've missed something really obvious but I can't think what...if I had someone local to Brackley with a spare carb, I'd try that, but I only know of a few Chummies locally and a few others running on SUs!
What can I be missing?
I think I'm going to head for the cocktail cabinet...
I've fixed the sticking valves, put the motor back together, starts right away on the choke and that's it, it will only run on choke (very nicely actually!) and as soon as you touch the throttle it almost dies until you take your foot off the throttle and with the choke out it whizzes back up again.
I've had the carb to bits and cleaned it out very thoroughly including all the jets and the the one that's hiding underneath, triple checked for air leaks, plenty of new petrol getting through and it was running perfectly before I pulled it to bits, the only think I've changed is the plugs from NGKs to Champions, but its running great on choke.
I'm beginning to think I've missed something really obvious but I can't think what...if I had someone local to Brackley with a spare carb, I'd try that, but I only know of a few Chummies locally and a few others running on SUs!
What can I be missing?
I think I'm going to head for the cocktail cabinet...