Engine Rotating Assemblies & Rebuild Kits

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

Part Number: NTI-NA-40010K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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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: Dec 4, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40080-2K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40080K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Repair Kit, Top End, 83.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-4K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Repair Kit, Top End, 82.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002K

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Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003K

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Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-4K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10080-BK1

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-BK

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

Part Number: NTI-NX-40025-BKA

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Estimated Ship Date: Dec 4, 2025 if ordered today

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

Part Number: NTI-NX-40025-CK

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Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CKA

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Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025K

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Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025KA

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Estimated Ship Date: Dec 4, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-BKA

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Estimated Ship Date: Dec 4, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-CKA

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

Part Number: NTI-NX-40026KA

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Repair Kit, Top End, 46.95mm Bore, Yamaha, Kit

Part Number: NTI-NX-40080K

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Estimated Ship Date: Dec 4, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40085-CK

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TOP END REPAIR KIT

Part Number: NTI-NX-70000-BK

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TOP END REPAIR KIT

Part Number: NTI-NX-70000K

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