Non-contractual photo
Prox Forged Piston kit
Compatibility
Check that this part fits your motorcycle
Estimating delivery…
Features
PROX Forged Piston – Manufacturer Ref. 01.2419.B
PROX forged piston, designed for the Cross environment. Made of aluminum, this oversize B piston has a diameter of Ø 91.96 mm (official mention: 91.960 mm) and a standard compression configuration. Supplied as a kit with replacement rings (ref. 260126), it is intended for the 400 cm³ displacements listed below.
- Brand: PROX
- Reference: 01.2419.B
- Material: Forged aluminum
- Diameter: Ø 91.96 mm (oversize B)
- Compression: Standard
- Number of rings: Supplied as a kit (ref. 260126)
- Category: Piston – Cross Environment
Main compatibilities: YAMAHA WR 400 F (CH04) 2000, YAMAHA YZ 400 F (CH03) 1999, YAMAHA YZ 400 F (CH01) 1998. Always check the bore and reference of your engine before installation to ensure a precise fit.
This product is intended for off-road enthusiasts looking for an original PROX part. Professional installation is recommended to ensure correct clearances and tolerances during replacement.
| Feature | Value |
|---|---|
| Reference | PRO00297A / 1095580002 |
| Oversize | +0,01 |
| Rings Quantity | Set |
| Diameter Ø (mm) | 91,96 |
| Engine | 4T |
| Diameter | 91.96 |
| Piston diameter | Ø 91,960 mm |
| Material | Aluminum |
| Specific | Hollow Piston / 5 Valve Pockets |
| Piston type | Forged |
| Compression piston | Standard |
| Surcote | +0,01 |
| Use | All-terrain |
4 compatible models
- YAMAHA 400 WR 400 F (CH02)1998
- YAMAHA 400 WR 400 F (CH04)1999 - 2000
- YAMAHA 400 YZ 400 F (CH01)1998
- YAMAHA 400 YZ 400 F (CH03)1999
