Ok Guys, I was not keen on sanding that flat surface so a trip to the machine shop is how I fixed up my plastic manifold … I then treated the plastic with Loctite 770 and used Caster Epoxy (and two stainless steel rods) across (bridging) the gaps to ensure the mating surface stays flat in the...
That's all good but these are just lawnmower engines and many people working on them don't have such tools (yes I do). The problem is really with Brigg's choice of materials and not the guy just trying to get his mower going.
Anyway one Aluminium Manifold is now a quarter the cost of a whole...
I'm kinda surprised that no one here has tried to sandpaper the plastic manifold flat? ... I'm just trying to find out if that actually holds up over time?
Sorry, I'm not sure if I recalled this correctly, as this guy says the larger jet is on the "R" side.
Anyway, I know they're correct on my engine because I've checked the temperatures on the cylinders, and they are close to the same.
I'm working on a B&S 25HP, Nikki at the moment. So with a lots of magnification I read 111 and 114 ... 111 on the "R" Side (Cylinder 1) of the Carb .... Get these the wrong way round and Cylinder 1 runs a lot hotter than Cylinder 2