Mash / Mutt K157FMI 125 Inlet & Exhaust Valve Pair
Brand-new unbranded replacement inlet and exhaust valve pair for compatible motorcycles using the K157FMI 125cc engine family.
Valve Specifications
- Inlet valve head: 25.5 mm
- Exhaust valve head: 22.5 mm
- Stem diameter: 5 mm
- Overall length: approximately 94 mm
- K157FMI inlet reference: K157FMI02-22A
- K157FMI exhaust reference: K157FMI02-13A
Compatible Applications
| Make | Models | Fitment Basis |
|---|---|---|
| Mash / Mutt | Mash Seventy Five 125; Mutt Mongrel 125; Mutt Fat Sabbath | Direct K157FMI valve / valve-train compatibility catalogue |
Important Fitment Information
Model ranges can use more than one engine revision. Only use where the engine and original valve dimensions match K157FMI specifications.
Do not order by 125cc capacity alone. Some similar-looking 156/157FMI-family engines use different valve dimensions or cylinder heads.
What's Included
- 1 x inlet / intake valve
- 1 x exhaust valve