This flywheel is a direct replacement for the Yamaha YFZ 450 R and YZF 450 X, built to OEM specifications for a precise fit on the original crankshaft.
It matches the original mounting and part number, so it bolts straight in without any modification to your existing engine components.
Key Features
- Direct OEM fit and finish for the YFZ 450 R and YZF 450 X
- Matches the original crankshaft mounting and part number
- 12-month warranty as standard
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model |
Years |
| Yamaha YFZ 450 R |
2009-2024 |
| Yamaha YZF 450 X |
2010-2011 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number |
Manufacturer / Brand |
| 18P-81450-00-00 |
Yamaha |
| 18P-81450-01-00 |
Yamaha |
Frequently Asked Questions
Will this fit my quad without modification?
Yes, this flywheel is built to OEM specifications for the YFZ 450 R and YZF 450 X and bolts straight onto the original crankshaft, no modification needed.
What is included in the box?
You receive one flywheel unit, ready to fit to your crankshaft.
How can I tell my old flywheel has failed?
Common symptoms include a weak or inconsistent charge, unusual engine vibration, or visible damage to the rotor magnets.
Does this fit both the YFZ 450 R and YZF 450 X?
Yes, this part is listed for the YFZ 450 R (2009-2024) and YZF 450 X (2010-2011) - check OEM numbers 18P-81450-00-00 and 18P-81450-01-00 against your original unit before ordering.
Dispatched from the UK · 12-month warranty · Fitment support from our technical team
