This is the complete 11M Rotary Carb used on the OS .12TZ-T3
and the .12TZ(S)-T3.
FEATURES: Genuine O.S. replacement parts
INCLUDES: One complete 11M carb w/pre-installed Thermo Insulator OSMG6247
One rubber carb gasket OSMG6220
REQUIRES: Installing on engine
SPECS: Length: 1.1" (29mm) approx. including needle and idle stop screw
Width: 1.7" (43mm) approx. including needle and arm nut
Height: 1.6" (40mm) approx. including needle
Diameter: 0.64" (16.2mm) OD of intake (throat)
0.44" (11.3mm) ID of intake @ widest point (top)
0.24" (6.06mm) ID of intake @ narrowest point (bottom)
0.51" (12.96mm) OD of neck including thermo insulator
(the part that inserts into the crankcase)
0.24" (6.05mm) ID of neck @ narrowest point (top)
0.30" (7.77mm) ID of neck @ widest point (bottom)
COMMENTS: Carb can be identified with an "11M" on the back side of carb body
Needle Settings:
(aka High Speed Needle):1¾ open from closed position
per page 19 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.
Stop Screw: This is set so the rotor is still 1mm open
when closed per page 19 of engine manual.
tjt 052605
ir/jxs
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