O.S. Carburetor Body 18TM

Tower Stock# OSMG3410  •  Manufacturer Stock# 21982100
O.S. Carburetor Body 18TM (large view)
Notes from our tech department:
This is the Carb Body for the 11K Carb OSMG3665 that is used on the
O.S. .18TM engines.


Natural aluminum construction


One carb body w/preinstalled thermo insulator OSMG6245


All other carb parts:
OSMG6762 Mixture Control Valve Slide Valve
OSMG7167 Needle Valve Assy OSMG7295 Metering Needle Assy
OSMG9099 Throttle Stop Screw OSMG5645 Dust Cover
OSMG9066 Ball (Throttle) Link OSMG6220 Rubber Gasket (O-Ring)


Length: 20.8mm front to back
Width: 34.25mm side to side
Height: 36.4mm top to bottom including throat & neck
Diameter: 15.98mm OD of intake (throat)
11.81mm ID of intake @ widest point (top)
6.55mm ID of intake @ narrowest point (bottom)
12.96mm OD of neck including thermo insulator (the part
that inserts into the crankcase)
6.55mm ID of neck @ narrowest point (top)
8.69mm ID of neck @ widest point (bottom)


Carb can be identified with an "11K" marking just below the throttle
stop screw

tjt 020105



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