Engine Rotating Assemblies & Rebuild Kits

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

Repair Kit, Top End, 73.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2006-2007 OUTLAW 500, 2003-2007 PREDATOR 500 - NA-50005K

Repair Kit, Top End, 99.150mm Bore, 10.80 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50005K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2013 KX85 - NX-20085K

Repair Kit, Top End, 48.450mm Bore, 9.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20085K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1981-2021 PW50 - NX-40005K

Repair Kit, Top End, 40.000mm Bore, 6.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40005K

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2005-2012 250 SX-F, 2007-2012 250 XC-F, 2006-2013 250 XCF-W - 422-50002K

Cylinder Kit, Forged Piston, 4.00mm Oversize Bore, KTM, 12.80 to 1 Compression Ratio, Kit

Part Number: CLW-50002-K01

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-3K

Repair Kit, Top End, 90.710mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-3K

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-2K

Repair Kit, Top End, 67.47mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20001-2K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30010K

Repair Kit, Top End, 81.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010K

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Estimated Ship Date: Today

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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

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 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: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1995-2003 TRX400FW FOREMAN 4X4 - NA-10001K

Repair Kit, Top End, 85.970mm Bore, 8.20 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10001K

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 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

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 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

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Estimated Ship Date: Today

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Namura Technologies Top-End Repair Kits NX-70001K

Repair Kit, Top End, 39.460mm Bore, 8.50 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70001K

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

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

Repair Kit, Top End, 65.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50000-2K

Repair Kit, Top End, 72.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-2K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

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

Repair Kit, Top End, 65.97mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000K

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-1999 CR125R - NX-10000K

Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2008-2009 TRX700XX - 422-11009K

Cylinder Kit, Forged Piston, 3.00mm Oversize Bore, for use on Honda®, 10.50 to 1 Compression Ratio, Kit

Part Number: CLW-11009-K01

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 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: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 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 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20075-CK

Repair Kit, Top End, 84.98mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075-CK

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Estimated Ship Date: Today

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Namura Technologies Top-End Repair Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - NX-10080K1

Repair Kit, Top End, 46.940mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10080K1

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 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: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 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: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today