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Product description
The Prox Engine Valve For Yamaha WR400F 1998-2000 Intake is part of the latest collection from Prox.
Features:
- Manufactured to the highest precision and quality
- Constructed to meet OEM specifications
- Available in standard sizes only
Specifications:
- Application: Intake
- Material: Steel
- Product Name: Valve
- Units: Each
To fit:
- YAMAHA WR 400 F 1998 American Models
- YAMAHA WR 400 F 1998 European Models
- YAMAHA WR 400 F 1999 American Models
- YAMAHA WR 400 F 1999 European Models
- YAMAHA WR 400 F 2000 American Models
- YAMAHA WR 400 F 2000 European Models
- YAMAHA YZ 400 F 1998 American Models
- YAMAHA YZ 400 F 1998 European Models
- YAMAHA YZ 400 F 1999 American Models
- YAMAHA YZ 400 F 1999 European Models
- YAMAHA YZ 426 F 2000 American Models
- YAMAHA YZ 426 F 2000 European Models
Manufacturer part number: 28.2418-3
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Engine Valve For Yamaha WR400F 1998-2000 Intake
To fit:
- YAMAHA WR 400 F 1998 American Models
- YAMAHA WR 400 F 1998 European Models
- YAMAHA WR 400 F 1999 American Models
- YAMAHA WR 400 F 1999 European Models
- YAMAHA WR 400 F 2000 American Models
- YAMAHA WR 400 F 2000 European Models
- YAMAHA YZ 400 F 1998 American Models
- YAMAHA YZ 400 F 1998 European Models
- YAMAHA YZ 400 F 1999 American Models
- YAMAHA YZ 400 F 1999 European Models
- YAMAHA YZ 426 F 2000 American Models
- YAMAHA YZ 426 F 2000 European Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.
Product description
The Prox Engine Valve For Yamaha WR400F 1998-2000 Intake is part of the latest collection from Prox.
Features:
- Manufactured to the highest precision and quality
- Constructed to meet OEM specifications
- Available in standard sizes only
Specifications:
- Application: Intake
- Material: Steel
- Product Name: Valve
- Units: Each
To fit:
- YAMAHA WR 400 F 1998 American Models
- YAMAHA WR 400 F 1998 European Models
- YAMAHA WR 400 F 1999 American Models
- YAMAHA WR 400 F 1999 European Models
- YAMAHA WR 400 F 2000 American Models
- YAMAHA WR 400 F 2000 European Models
- YAMAHA YZ 400 F 1998 American Models
- YAMAHA YZ 400 F 1998 European Models
- YAMAHA YZ 400 F 1999 American Models
- YAMAHA YZ 400 F 1999 European Models
- YAMAHA YZ 426 F 2000 American Models
- YAMAHA YZ 426 F 2000 European Models
Manufacturer part number: 28.2418-3
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Engine Valve For Yamaha WR400F 1998-2000 Intake
To fit:
- YAMAHA WR 400 F 1998 American Models
- YAMAHA WR 400 F 1998 European Models
- YAMAHA WR 400 F 1999 American Models
- YAMAHA WR 400 F 1999 European Models
- YAMAHA WR 400 F 2000 American Models
- YAMAHA WR 400 F 2000 European Models
- YAMAHA YZ 400 F 1998 American Models
- YAMAHA YZ 400 F 1998 European Models
- YAMAHA YZ 400 F 1999 American Models
- YAMAHA YZ 400 F 1999 European Models
- YAMAHA YZ 426 F 2000 American Models
- YAMAHA YZ 426 F 2000 European Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.































