In Stock
- In Stock Items. Ships Today. (13) 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. (273) 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 (420) 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.
Part Type
- Powersports Piston and Ring Kits (271) 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 (273)
Savings Central
- Clearance (9)

Selected Filters

Availability

- In Stock Items. Ships Today. (13) 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. (273) 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 (420) 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
Part Type
- Powersports Piston and Ring Kits (271) 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 (273)
Savings Central
- Clearance (9)

Namura Engine Kits & Rotating Assemblies

Individual Parts

Part Groups

Results 26 - 50 of 273

Namura Technologies Top-End Repair Kits NA-50026K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-4K

Repair Kit, Top End, 67.35mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-4K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-BK

Repair Kit, Top End, 66.360mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-BK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-2K

Repair Kit, Top End, 90.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-2K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000K

Repair Kit, Top End, 89.960mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40006-2K

Repair Kit, Top End, 83.500mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006-2K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-1996 CR250R - NX-10026K1

Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10026K1

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40006K

Repair Kit, Top End, 83.000mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50003K

Repair Kit, Top End, 74.47mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003K

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Namura Technologies Top-End Repair Kits NA-50000-6K

Repair Kit, Top End, 73.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-6K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2000 TRX300 FOURTRAX, TRX300FW FOURTRAX 4X4 - NA-10002-6K

TOP END REPAIR KIT

Part Number: NTI-NA-10002-6K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1996-1999 250 EGS, 250 EXC, 250 SX - NX-70047K

TOP END REPAIR KIT

Part Number: NTI-NX-70047K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2000 KX125 - NX-20000-BK

Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-BK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2014-2021 KX100, 2022-2025 KX112 - NX-20014-BK

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014-BK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2004 YFA-1 BREEZE125, 2004-2013 YFM125 GRIZZLY - NA-40019K

TOP END REPAIR KIT

Part Number: NTI-NA-40019K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2004 YFA-1 BREEZE125, 2004-2013 YFM125 GRIZZLY - NA-40019-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40019-4K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2023 RM85, 2003-2012 RM85L - NX-30085-CK

Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-CK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2000 RM125 - NX-30000-2K

Repair Kit, Top End, 54.50mm, Suzuki, Kit

Part Number: NTI-NX-30000-2K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2000 RM125 - NX-30000K

Repair Kit, Top End, 53.96mm Bore, Suzuki, Kit

Part Number: NTI-NX-30000K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001K

TOP END REPAIR KIT

Part Number: NTI-NA-20001K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001 YZ125 - NX-40000-BK1

Repair Kit, Top End, 5.-950mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-BK1

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1991-2001 RM80 - NX-30080-6K

TOP END REPAIR KIT

Part Number: NTI-NX-30080-6K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1991-2001 RM80 - NX-30080-BK

TOP END REPAIR KIT

Part Number: NTI-NX-30080-BK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1993-2001 YZ80 - NX-40080K

Repair Kit, Top End, 46.95mm Bore, Yamaha, Kit

Part Number: NTI-NX-40080K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - NX-10080-CK1

Repair Kit, Top End, 46.960mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10080-CK1

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 12, 2026 if ordered today

Previous
Page 2 of 11
Next