Zenith Carbs

Graham G · 2005-12-15T19:35:51+00:00

Brother got his IIa up and running today, however he tells me that its running like a bag of spanners!! He says that it ticks over fine, but under acceleration it misses and chuffs out black smoke. Has turned the mixture screw right in, and it will continue to run and accelerate with black smoke. Economy diaphram has a small tear in it, is this likely to be the cause?? He also seems to think ther is excessive wear around the hole through which the shaft holding the flutter valve sits (apparently petrol comes out rount here, but he thinks its a result of the huge amounts of fuel being dumped into the system).Should he get a repair kit? Is it something he's missing, or shoud he just throw it in the hedge and buy a new one?Any help is appreciated as he is baffled ATM.Cheers