Zenith 28 228

The Zenith 28, or 228 uses a check ball in the fuel intake. Does the check ball need to be...

CLEANING Soak all parts except rubber and electrical in a carburetor dip. You can use any parts store product. We...

Zenith put a round aluminum tag on most carburetors located on the top of the carburetor. The number is stamped...

2 hole idle system (idle discharge holes). The 2 holes are used depending on where the throttle valve is positioned....

MAKE YEAR MODEL CARB NUM PRIMARY JET SECONDARY JET METERING ROD SIZE CHECKER 1949-63 A9A, A10A, B2 W/CONT 13506 .070...

Zenith 28 & 228 exploded view and flange sizes. Which Direction Do The Throttle Valves Go? 28/228 throttle valve taper...

Engine Doesn’t IdleThis assumes the electrical system is up to par. Most idle problems will turn out to be electrical....

Idle Mixture Turn idle adjusting needle in lightly against its seat, then back out needle l 1/2 turns as a...