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  View original topic: 6mm vs. 8mm
kafer53 Tue May 06, 2008 5:08 pm

Here is a question that I have always been confused about. I get a lot of mixed info on this one:

What is the correct fuel pump and carb set up for my early 53 25hp engine rebuild? I'm really looking for info on the size of the fuel line. I've heard 6mm vs. 8mm although I thought 8 mm ones were for the earlier 25hp engines. My engine is correct for 53 zwitter production dates. I have a solex 28 PIC carb. Would this work for my engine? Any ideas? Thanks in advance
Paul

Splitdog Tue May 06, 2008 5:41 pm

It started with the Zwitter. October 1st, '52. Both the 6mm line and the 28 PCI carb. Not sure about the pump.

billmetric Tue May 06, 2008 9:28 pm

28 PCI carb for a zwitter doesnt have the vacuum line port, the fuel pump looks like a flat top 8mm but its 6mm, they are both uncommon, rare? depends on who you ask, only hard to find if you really need one



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