Honda CG125 1978–2001 CB125J/S/RS XL125 XL185 Exhaust Flange Collet Kit
Brand new aftermarket exhaust flange, collet, stud, nut and gasket fitting kit for selected Honda CG, CB and XL motorcycles using the matching exhaust-header mounting arrangement.
This 10-piece kit is suitable for replacing worn, corroded, damaged or missing exhaust mounting hardware during exhaust replacement, restoration or general repair.
Fitment
- Honda CG125: 1978–2001 (standard and Brazil-market applications using the matching exhaust mounting arrangement)
- Honda CB125J: 1978–1979
- Honda CB125S: 1975–1979
- Honda CB125RS: 1983–1986
- Honda XL125: 1978–1987
- Honda XL185: 1979–1984
Important: Honda exhaust fittings can vary by model year, market and engine version. Please compare the flange dimensions, mounting-hole spacing, collar depth, stud size and exhaust-header diameter with your original parts before ordering.
Kit Includes
- 1 x exhaust flange / joint plate
- 2 x 18 mm exhaust collars / collets
- 2 x 26 mm exhaust collars / collets
- 2 x M6 x 35 mm exhaust studs
- 2 x M6 domed cap nuts
- 1 x compressible copper exhaust gasket, approximately 40 mm OD
The kit is supplied with two collar depths to cover the listed applications. Use the collar pair that matches the original exhaust mounting arrangement on your motorcycle.
Approximate Dimensions
- Exhaust flange centre hole: 40–41 mm
- Mounting-hole centres: 54–55 mm
- Exhaust studs: M6 x 35 mm
- Domed nuts: M6, approximately 21 mm long
- Copper exhaust gasket: approximately 39–40 mm OD
Reference Numbers
Common Honda references associated with this exhaust mounting arrangement include:
- 18231-365-670 – exhaust pipe joint / flange
- 18233-330-000 – exhaust pipe joint collar
- 18233-KE2-900 – earlier reference superseded by 18233-330-000
- 18291-MN5-650 – exhaust pipe gasket
- 92700-060-353E – M6 x 35 exhaust stud
- 90304-438-000 – M6 cap nut
Reference numbers are provided for identification and compatibility comparison only. This is an aftermarket replacement kit and is not represented as a Genuine Honda product.
Condition
Brand New aftermarket replacement components.
Installation
Correct exhaust alignment and sealing are essential. Fit the collar pair that matches the original setup, tighten the mounting nuts evenly and check for exhaust leaks after installation. Professional installation is recommended if you are unsure of compatibility or fitting procedure.