Results
| Type: MX | |
| Year: 1999 | |
| Brand: YAMAHA | |
| Model: YZ250 | |
| Piston: NX-40025 |  |
| Application Notes: COMPRESSION 10.9:1 (CERAMIC COMPOSITE CYL) DUAL RING *USES NX-10025 RING SERIES |
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| Piston Size: 66.35 mm | |
| Piston Ring: NX-10025R |  |
| Top-End Gasket Kit: NX-40025T |  |
| Complete Gasket Kit: NX-40025F |  |
| Top-End Repair Kit: NX-40025K |  |
| Needle Bearing: 09-505-01 (View All Fittings) |
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| Connecting Rod: RX-40015 (View All Fittings) |
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| Cylinder: CX-40007
Cylinder Notes: |
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| Cylinder Kit: CX-40007K |  |
Oversizes Available: |
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| Part Number: NX-40025-B |  |
| Piston Size: 66.36 mm | |
| Oversize: +0.01 mm | |
| Piston Ring: NX-10025R | |
| Top-End Gasket Kit: NX-40025T | |
| Complete Gasket Kit: NX-40025F | |
| Top-End Repair Kit: NX-40025-BK |  |
| Needle Bearing: 09-505-01 | |
| Bearing Size (mm): 18X22X22 | |
| Needle Bearing: 09-505-01 (View All Fittings) |
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| Part Number: NX-40025-C |  |
| Piston Size: 66.37 mm | |
| Oversize: +0.02 mm | |
| Piston Ring: NX-10025R | |
| Top-End Gasket Kit: NX-40025T | |
| Complete Gasket Kit: NX-40025F | |
| Top-End Repair Kit: NX-40025-CK | |
| Needle Bearing: 09-505-01 | |
| Bearing Size (mm): 18X22X22 | |
| Needle Bearing: 09-505-01 (View All Fittings) |
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| Part Number: NX-40025-2 |  |
| Piston Size: 66.85 mm | |
| Oversize: +0.5 mm | |
| Piston Ring: NX-10025-2R |  |
| Top-End Gasket Kit: NX-40025T | |
| Complete Gasket Kit: NX-40025F | |
| Top-End Repair Kit: NX-40025-2K | |
| Needle Bearing: 09-505-01 | |
| Bearing Size (mm): 18X22X22 | |
| Needle Bearing: 09-505-01 (View All Fittings) |
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| Part Number: NX-40025-4 |  |
| Piston Size: 67.35 mm | |
| Oversize: +1 mm | |
| Piston Ring: NX-10025-4R |  |
| Top-End Gasket Kit: NX-40025T | |
| Complete Gasket Kit: NX-40025F | |
| Top-End Repair Kit: NX-40025-4K | |
| Needle Bearing: 09-505-01 | |
| Bearing Size (mm): 18X22X22 | |
| Needle Bearing: 09-505-01 (View All Fittings) |
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| Part Number: NX-40025-6 |  |
| Piston Size: 67.85 mm | |
| Oversize: +1.5 mm | |
| Piston Ring: NX-10025-6R |  |
| Top-End Gasket Kit: NX-40025T | |
| Complete Gasket Kit: NX-40025F | |
| Top-End Repair Kit: NX-40025-6K | |
| Needle Bearing: 09-505-01 | |
| Bearing Size (mm): 18X22X22 | |
| Needle Bearing: 09-505-01 (View All Fittings) |
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