Genuine O.S. replacement parts
Slide carb design
One complete 11H carb w/pre-installed Thermo Insulator OSMG6247
and 5.5mm Black Carb Reducer OSMG2476
One rubber carb gasket OSMG6220
Installing on engine
Length: 0.87" (22mm) approx. including needle and idle stop screw
Width: 1.7" (44mm) approx. including needle and throttle arm
Height: 1.71" (43.6mm) approx. including needle
Diameter: 0.63" (16.1mm) OD of intake (throat)
0.51" (12.9mm)ID of intake (top) not including Carb Reducer
0.51" (12.96mm) OD of neck including thermo insulator
(the part that inserts into the crankcase)
0.26" (6.64mm) ID of neck @ narrowest point (top)
0.35" (8.88mm) ID of neck @ widest point (bottom)
Carb can be identified with an "11H" on the back side of carb body
Needle Valve (aka High Speed Needle):1¾ open from closed position
per page 18 of engine manual.
Mixture Control Screw (aka Low Speed Needle):The head of the mixture
control screw is flush with the carb body per page 25 of eng manual
Metering Needle: Head of metering needle screw is flush with the
ball link body per page 25 of engine manual.
Throttle Stop Screw: This is set so the rotor is still 0.5mm open
when closed per page 18 of engine manual.