Engine Rotating Assemblies & Rebuild Kits

Namura Technologies Top-End Repair Kits for 1990-2024 PW50 - NX-40005-2K

TOP END REPAIR KIT

Part Number: NTI-NX-40005-2K

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1990-1991 RM125 - NX-30000-4K

TOP END REPAIR KIT

Part Number: NTI-NX-30000-4K

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1990-1991 RM125 - NX-30000-6K

TOP END REPAIR KIT

Part Number: NTI-NX-30000-6K

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 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

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2007 RM125 - NX-30002K

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

Part Number: NTI-NX-30002K

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2002 RM250 - NX-30024-BK2

TOP END REPAIR KIT

Part Number: NTI-NX-30024-BK2

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998 RM250 - NX-30024K

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

Part Number: NTI-NX-30024K

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

TOP END REPAIR KIT

Part Number: NTI-NX-30080-CK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2004 YZ125 - NX-40001-BK

Repair Kit, Top End, 53.950mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001-BK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2004 YZ125 - NX-40001K

Repair Kit, Top End, 53.940mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001K

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1986-1988 BW80 - NX-40008-4K

TOP END REPAIR KIT

Part Number: NTI-NX-40008-4K

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-40009-CK

TOP END REPAIR KIT

Part Number: NTI-NX-40009-CK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

TOP END REPAIR KIT

Part Number: NTI-NX-40026-BKA

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026KA

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2003 50 JR ADVENTURE, 2002-2008 50 MINI ADVENTURE, 2002-2007 50 SR ADVENTURE - NX-70001-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70005-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70005-BK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70007-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70007-BK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70020-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70020-BK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today