Universal O2 Sensor Size Conversion Adapter for Cygnus X, BW'S125, BW'S X

[KN Planning KN-OS2-1218 Universal O2 Sensor Size Conversion Adapter for Cygnus X BW'S125 BW'S X Motorcycle Parts]
This adapter allows you to convert an M12 O2 sensor boss, commonly found on aftermarket exhausts, to accommodate an M18 O2 sensor.
It can be used when your exhaust system is M12
and your O2 sensor is M18.
A washer is included in addition to the main unit.

Compatible Models
Universal
*Varies depending on the exhaust pipe installed.
[Reference Genuine O2 Sensor Size]
◎M18◎
Cygnus X 2nd Gen Taiwan Spec [4C63~・1CJ]
Cygnus X 3rd Gen Taiwan Spec [1MS]
BW'S125 1st Gen Taiwan Spec [5S9]
BW'S X 1st Gen Taiwan Spec [46P]
◎M12◎
Cygnus X 4th Gen Japan Spec [BF9]・Taiwan Spec [2UB]
Cygnus X 5th Gen Japan Spec [B8S]・Taiwan Spec [B2J]
BW'S 125 2nd Gen Japan Spec [BG1]
BW'S R 2nd Gen Taiwan Spec [2JS]

Specifications
Exhaust pipe side hole diameter: M12
Sensor side hole diameter: M18
Overall length: 45mm
Tip insertion part: 11mm
Protruding part: 34mm (excluding 0.5mm washer)
Protruding part including washer: 34.5mm
Maximum diameter: 25mm

■Notes on images
*Images are for illustration purposes only. Includes products with different sizes and colors. Product designs and specifications are subject to change without notice. Please understand.

Precautions
*Replacement should be performed by an experienced person.
*Due to the length of the adapter, normal exhaust systems may interfere. It is suitable for aftermarket exhaust systems, but please consider the size before purchasing.