Flywheel Rotor for Yamaha YZF-R1, FZ1 1000 & FZ8 800 2004-2015
Flywheel Rotor for Yamaha YZF-R1, FZ1 1000 & FZ8 800 2004-2015
SKU:RMS120-105969
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Flywheel Rotor for Yamaha YZF-R1, FZ1 1000 & FZ8 800 2004-2015
Fits Yamaha YZF-R1, FZ1 1000, FZS1 and FZ8 800 (2004-2015)
This flywheel rotor is a direct replacement for the Yamaha YZF-R1, FZ1 1000, FZS1 and FZ8 800 range, built to OEM specifications for a precise fit on the original crankshaft taper.
It is manufactured to the original exterior diameter of 80 mm with a stepped shaft bore reducing from 26 mm down to 15 mm, matching the factory rotor's dimensions.
Key Features
- Direct OEM fit and finish for the YZF-R1, FZ1 1000, FZS1 and FZ8 800
- 80 mm exterior diameter matching the original rotor
- Stepped centre bore (26/20/18/15 mm) to suit the factory shaft taper
- 12-month warranty as standard
Technical Specs
| Specification | Detail |
|---|---|
| Exterior Diameter | 80 mm |
| Interior Diameter | 69 mm |
| Interior Diameter (Centre Housing) | 12 mm |
| Exterior Diameter (Centre Housing) | 18 mm |
| Thickness (Exterior) | 11 mm |
| Thickness (Interior) | 6 mm |
| Shaft Diameter (Largest to Narrowest) | 26 mm / 20 mm / 18 mm / 15 mm |
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 YZF-R1 | 2004-2015 |
| Yamaha FZ1 1000 / FZS1 | 2004-2015 |
| Yamaha FZ8 800 | 2004-2015 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 5VY-81450-00-00 | Yamaha |
| 2SH-81450-00-00 | Yamaha |
Frequently Asked Questions
Will this fit my bike without modification?
Yes, this rotor is built to OEM dimensions for the YZF-R1, FZ1 1000, FZS1 and FZ8 800 and fits directly onto the original crankshaft taper, no modification needed.
What is included in the box?
You receive one flywheel rotor unit, ready to fit to your crankshaft.
How can I tell my old flywheel rotor has failed?
Common symptoms include a weak or inconsistent charge, unusual engine vibration, or visible damage to the rotor magnets or fins.
Does one rotor cover all the listed models?
This rotor is listed as a replacement across the YZF-R1, FZ1 1000, FZS1 and FZ8 800 range from 2004 to 2015 - check OEM numbers 5VY-81450-00-00 and 2SH-81450-00-00 against your original unit before ordering.
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