In Stock
- In Stock Items. Ships Today. (15) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (447) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (722) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Section
Part Type
- Powersports Piston and Ring Kits (357) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Piston Rings (66) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Piston Rings (9) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Wrist Pin Bushings and Bearings (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Pistons (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Top End Engine Kits (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Price Range
Filter Options
- PowerSports (436)
- New Product (104)
Savings Central
- Clearance (13)

Selected Filters

Availability

- In Stock Items. Ships Today. (15) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (447) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (722) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Section
Part Type
- Powersports Piston and Ring Kits (357) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Piston Rings (66) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Piston Rings (9) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Wrist Pin Bushings and Bearings (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Pistons (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Top End Engine Kits (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Price Range
Filter Options
- PowerSports (436)
- New Product (104)
Savings Central
- Clearance (13)

Namura Engines & Components

Individual Parts

Part Groups

Results 351 - 375 of 447

Namura Technologies Top-End Repair Kits NX-40025-CKA

Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CKA

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-1994 YZ250 - NX-40026-CK

TOP END REPAIR KIT

Part Number: NTI-NX-40026-CK

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1995-1998 YZ250 - NX-40026-CKA

TOP END REPAIR KIT

Part Number: NTI-NX-40026-CKA

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Piston Kits NX-40080-2B

PISTON KIT CERAMIC COMP CYL 47.45/+0.51 8.2:1 YAM

Part Number: NTI-NX-40080-2B

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2018 YZ85 - NX-40085-BK

TOP END REPAIR KIT

Part Number: NTI-NX-40085-BK

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2018 YZ85 - NX-40085-CK

TOP END REPAIR KIT

Part Number: NTI-NX-40085-CK

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2018-2026 YZ65 - NX-40097K

TOP END KIT 43.44/STD 11:1 YAM

Part Number: NTI-NX-40097K

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2019-2026 YZ85, 2019-2025 YZ85 LW, 2026 YZ85LW - NX-40098K

TOP END KIT CERAMIC COMP CYL 47.44/+0.50 11:1 YAM

Part Number: NTI-NX-40098K

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002 50 SX PRO JR LC, 2001-2002 50 SX PRO SR LC - NX-70000-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70000-BK

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Piston Rings NX-70000R

Piston Rings, Powersports, Steel, Gas Nitrided Top, 39.47mm Bore, KTM, Kit

Part Number: NTI-NX-70000R

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Namura Technologies Top-End Repair Kits 185-F4033