Engine Rotating Assemblies & Rebuild Kits

Namura Powersports Top End Engine Kits NA-50019-6K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-6K

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2014-2022 KX85 - NX-20013K

Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NX-20013K

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2005 KX250F, 2004-2006 RM250 - NX-20030K

Repair Kit, Top End, 76.950mm Bore, 12.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20030K

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2006-2008 KX250F - NX-20031K

Repair Kit, Top End, 76.950mm Bore, 13.50 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20031K

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-20080K2

TOP END REPAIR KIT

Part Number: NTI-NX-20080K2

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2003 RM125 - NX-30000-BK

Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-BK

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

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

Repair Kit, Top End, 53.96mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-CK

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2003 RM125 - NX-30004-CK

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-30004-CK

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2003 RM125 - NX-30004K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-30004K

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-30024-BK

TOP END REPAIR KIT

Part Number: NTI-NX-30024-BK

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-30024-BK2

TOP END REPAIR KIT

Part Number: NTI-NX-30024-BK2

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2000 RM250 - NX-30024K1

Repair Kit, Top End, 66.35mm Bore, 8.60 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30024K1

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-30080-BK

TOP END REPAIR KIT

Part Number: NTI-NX-30080-BK

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2021 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 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2000 YZ125 - NX-40000-BK

Repair Kit, Top End, 53.950mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-BK

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-40009-CK

TOP END REPAIR KIT

Part Number: NTI-NX-40009-CK

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-40025-BK

TOP END REPAIR KIT

Part Number: NTI-NX-40025-BK

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2022 YZ250, 2022 YZ250 MONSTER ENERGY YAMAHA RACING EDITION, 2017-2022 YZ250X - NX-40025-BKA

Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-BKA

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2022 YZ250, 2022 YZ250 MONSTER ENERGY YAMAHA RACING EDITION, 2017-2022 YZ250X - 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: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-20062K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20062K

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-20065-4K

TOP END REPAIR KIT

Part Number: NTI-NA-20065-4K

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-20070-2K

TOP END REPAIR KIT

Part Number: NTI-NA-20070-2K

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-20075K

Repair Kit, Top End, 84.96mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075K

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1987-1993 LT230E QUADRUNNER, 1985-1986 LT230GE, 1985-1988 LT230S QUADSPORT - NA-30000-4K

Repair Kit, Top End, 66.97mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-4K

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1996-1998 LT-4WDX KING QUAD 250, 1999-2002 LT-F300F KINGQUAD 4X4 - NA-30001-2K

Repair Kit, Top End, 68.97mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001-2K

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today