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| Yamaha YZF/WR 450... |
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| Scream offroad or on the track. We can help you make yours scream, yet maintain reliability |
| For any of our articles on how-to/installation, click here for our YZF/WR 450 tech pages |
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YZF/WR470 Big Bore Kit
Piston Sleeve Top End Gasket set Jetting kit Spark Plug
Oil Filter |
Years: YZF WR 03-08 |
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| P/N EKYFZ5 |
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| $352 |
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YZF/WR470 Big Bore Kit With sleeve installed
Piston Sleeve Top End Gasket set Jetting kit Spark Plug
Oil Filter |
Years: YZF WR 03-08 |
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| P/N EKYFZ5A |
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| $502 |
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YZF/WR470 Big Bore Kit Installed in your motor
Piston Sleeve Top End Gasket set Jetting kit Spark Plug
Oil Filter |
Years: YZF WR 03-08 |
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| P/N EKYFZ5B |
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| $677 |
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YZF/WR450 Big Bore Piston Kit 12.5:1
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Years: YZF WR 03-08 |
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| P/N 4785M95 |
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| $185 |
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YZF/WR470 Big Bore Piston Kit 13.5:1
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Years: YZF WR 03-08 |
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| P/N 4786M097 |
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| $195 |
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YZF/WR470 Big Bore Sleeve |
Years: YZF WR 03-08 |
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| P/N C7934 |
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| $89 |
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YZF/WR470 Big Bore Top End Gasket Set |
Years: YZF WR 03-05 |
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| P/N W6130 |
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| $50 |
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YZF/WR470 Big Bore Top End Gasket Set |
Years: YZF WR 06-08 |
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| P/N W6421 |
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| $50 |
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