O.S. Carburetor 21JN 25XZ

Tower Stock# OSMG2409  •  Manufacturer Stock# 22848030
Notes from our tech department:
This is the 21JN Complete Carburetor for the O.S. 25XZ Engine.

FEATURES

Slide valve design insures greater response at the beginning and end
of the power band for on-road racing
Three needle set-up, needle valve, mixture control screw, and
throttle stop screw
Cast aluminum body with steel adjustment screws

INCLUDES

One Complete 21JN Carburetor
One Rubber O-ring

REQUIREMENTS

Installation on the engine and connecting throttle linkage

SPECIFICATIONS

Throat Outer Diameter: 15mm (0.56") including insulator
Throat Inner Diameter: 11mm (0.43")
Neck Outer Diameter: 15.5mm (0.61")

lmm 05.04.10
ir/jxs

Resources

References

Manufacturer Contact Information