Engine Rotating Assemblies & Rebuild Kits

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-4K

Repair Kit, Top End, 90.960mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-4K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-6K

Repair Kit, Top End, 91.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-6K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

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

Repair Kit, Top End, 74.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002-4K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-30050K

Repair Kit, Top End, 87.45mm Bore, 10.20 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30050K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

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

TOP END REPAIR KIT

Part Number: NTI-NA-30080K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-40002-8K

TOP END REPAIR KIT

Part Number: NTI-NA-40002-8K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40003-2K

Repair Kit, Top End, 66.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-2K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40003-6K

Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-40004-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40004-4K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-40004-6K

TOP END REPAIR KIT

Part Number: NTI-NA-40004-6K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 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: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40005-4K

Repair Kit, Top End, 83.950mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005-4K

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 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

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 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: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 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

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-40007K

TOP END REPAIR KIT

Part Number: NTI-NA-40007K

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2007-2008 YFM400 GRIZZLY 4X4 AUTO, 2000-2006 YFM400F KODIAK 4X4 - NA-40008-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40008-4K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2013 YFZ450, 2006-2007 YFZ450 BILL BALANCE EDITION, 2007-2008 YFZ450 SE - NA-40009-BK

Repair Kit, Top End, 94.960mm Bore, 11.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40009-BK

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40010-4K

Repair Kit, Top End, 100.670mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010-4K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40011-2K

Repair Kit, Top End, 84.950mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-2K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2002 RM250 - NX-30024K2

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

Part Number: NTI-NX-30024K2

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2005 RM250 - NX-30027K

Repair Kit, Top End, 66.34mm Bore, 8.70 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30027K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-30080-BK

TOP END REPAIR KIT

Part Number: NTI-NX-30080-BK

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2021 RM85, 2003-2012 RM85L - NX-30085K

Repair Kit, Top End, 47.940mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085K

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

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

Repair Kit, Top End, 53.960mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-CK

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Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today