Posted by SillyQuestions on October 22, 2015 at 12:29:25 from (132.236.160.13):
Hi, Long time lurker, first time post. Thanks to all of you who have helped in the past and not known it.
I have a B414 petrol (Zenith VN carb) with poor idle, skipping and running very rich. Gas in the oil. I used a basic rebuild kit, but the carb still seems to be dumping gas into the system. I think it has to do with the accelerator pump/piston on the carb and the kit didn't seem to have a part to re-seat that or the retainer for that gasket which is worn and no longer seats properly. I am giving serious thought to buying either a professional rebuilt carb (275$) or the new OEM replacement carb from this site (Carburetor - DOWNDRAFT Part Number 1429N on this site (IHS377 on others), 500$) which sure seems a lot simpler design than the original zenith. Has anyone tried a direct replacement with this new carb and if it works better than the original zenith design I might go that way? The original fuel system has a metal fuel line from the lift pump ending with a banjo fitting to the existing Zenith. This new carb just has a 5/16 barb and in a different location. Can I just clip the banjo fitting end off the metal line and attach 2 or 3" of rubber fuel line from the end of the existing metal line to make it to the 5/16 hose barb on the carb. The fuel inlet on the new carb is just re positioned farther away enough that I don't think the existing line will reach it. Will there be a size mismatch there trying to go from a metal fuel line to a 5/16 hose?
Any experience in this would be appreciated. I'm not a mechanic but just need to get this thing running well again. and while it costs more the new carb style sure looks like it is a lot simpler (less to go wrong). THanks
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