Engine Rotating Assemblies & Rebuild Kits

Namura Technologies Top-End Repair Kits NA-20040-6K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-6K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70020K

TOP END REPAIR KIT

Part Number: NTI-NX-70020K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1986-1991 CR250R - NX-10026K

TOP END REPAIR KIT

Part Number: NTI-NX-10026K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2000-2002 CR125R - NX-10000-CK1

TOP END REPAIR KIT

Part Number: NTI-NX-10000-CK1

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2006 KFX80, 1987-2006 LT80 QUADSPORT - NA-30080-4K

TOP END REPAIR KIT

Part Number: NTI-NA-30080-4K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40002-4K

Repair Kit, Top End, 66.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002-4K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2005 YFM660R RAPTOR - NA-40004K

Repair Kit, Top End, 99.970mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40004K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1986 SRX600, 1984-1986 XT600, 1998-2001 YFM600FW GRIZZLY 4X4 - NA-40007-2K

Repair Kit, Top End, 95.500mm Bore, 8.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40007-2K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1986 SRX600, 1984-1986 XT600, 1998-2001 YFM600FW GRIZZLY 4X4 - NA-40007-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2009 KX250F - NX-20031-BK1

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20031-BK1

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 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: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 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: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2008-2019 OUTLAW 50, 2007 PREDATOR 50, 2017-2025 YFZ50 - NA-50015K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50024-6K

TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 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: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 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: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 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: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2004-2007 CRF250R, 2004-2017 CRF250X - 422-10001KH

STD BORE KIT HI COMP

Part Number: CLW-10001-K01HC

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits 422-60001K

Top End Engine Kits STANDARD BORE KIT STANDARD BORE KIT

Part Number: CLW-60001-K01

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 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: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2005-2021 YZ125, 2020-2022 YZ125X - NX-40009K

Repair Kit, Top End, 53.950mm Bore, 10.70 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40009K

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

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

TOP END REPAIR KIT

Part Number: NTI-NX-40026-BK

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70000K

TOP END REPAIR KIT

Part Number: NTI-NX-70000K

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2012 85 SX (17/14), 2005-2010 85 SX (19/16), 2008-2009 85 XC - NX-70004-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70004-BK

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

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

TOP END REPAIR KIT

Part Number: NTI-NX-70005-CK

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today