O.S. Carburetor 21J3 Speed 21XZ-B Spec III

Tower Stock# OSMG2478  •  Manufacturer Stock# 2AN81000
Notes from our tech department:
This is the 21J3 (B) R6.5 Carburetor for the
O.S. Engines Speed 21XZ-B Spec III Buggy Engine, OSMG2060.

FEATURES

Assembled and ready to install

INCLUDES

21J3 (B) R6.5 Carburetor with 6.5mm Restrictor
Carb to crankcase O-Ring

SPECIFICATIONS

Carburetor Settings, NOTE carburetor is preset at factory and
requires only very small adjustments
Needle Valve: Approximately 3.5 turns open from fully closed
Throttle: Approximately 0.5mm open from factory setting with
reducer removed
Metering Needle: Rotate until slotted head is 1.5mm away from ball
link body
Mixture Control Valve: Rotate until slotted head is flush with
carb body

jxs 01/16/17
ir/jxs

Resources

References

Manufacturer Contact Information