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Discussion Starter · #1 ·
Hello Guys,
I have two PW22 carbs, ostensibly suitable for my CD175 A4 motor, but each has a different throttle valve.
The first has a 2.5 cutaway and the second a 3.0 cutaway.
Anyone any idea which is correct for my engine? (main jet standard at no. 98 & pilot jet no. 38)
I know as a rule of thumb that the largest cutaway that the engine will accept is the way to go, but it would be handy to know which one is the correct fitment (irritatingly, none of my parts books refer to the cutaway number!)
Thanks & best wishes,
Jools
 
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