Namura Standard Bore Size C Top End Repair Kit for Yamaha WR450F 2003-2006 95mm
Namura Standard Bore Size C Top End Repair Kit for Yamaha WR450F 2003-2006 95mm
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Standard Bore Size C Top End Repair Kit for Yamaha
The Namura Standard Bore Size C Top End Repair Kit is a direct replacement top end rebuild kit for Yamaha WR450F motorcycles from 2003 to 2006, featuring a 95mm bore size to restore compression and performance.
Overview
This top end repair kit for Yamaha WR450F includes all necessary components to rebuild the cylinder and piston assembly. Designed to restore lost power and extend engine life, it is a reliable aftermarket solution for off-road enthusiasts. The 95mm bore size matches the original standard bore spec for 2003-2006 WR450F models.
Built For Performance
- Includes precision-machined piston, rings, wrist pin, and circlips for a complete rebuild
- 95mm standard bore size matches OEM specifications for 2003-2006 Yamaha WR450F
- Durable cast aluminum piston reduces weight while maintaining strength
- High-quality ring set ensures proper seal and compression
- Includes gaskets and seals for a hassle-free installation
Fits These Machines
- for Yamaha WR450F 2003-2006
On-The-Job Use
- Used for off-road motocross and trail riding where engine durability is critical
- Ideal for rebuilding high-hour WR450F engines to restore lost power
- Commonly installed during annual top end maintenance for competitive riders
- Suitable for enduro and desert racing applications
Specs At A Glance
| Part Number(s) | Standard Bore Size C (95mm) |
| Bore Size | 95mm |
| Compatible | Yamaha WR450F 2003-2006 |
Good To Know
Q: Does this top end repair kit include a cylinder? A: No, the kit includes piston, rings, wrist pin, circlips, gaskets, and seals but not the cylinder itself. Purchase the cylinder separately if needed.
Q: Is the bore size measured at standard or oversized? A: This is a standard bore size C kit with a 95mm piston, matching the original factory bore for 2003-2006 WR450F engines. Oversized pistons are also available if cylinder has been bored.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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