2025 Engine Kits & Rotating Assemblies

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014-BK

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Estimated Ship Date: May 11, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015-CK

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Estimated Ship Date: May 11, 2026 if ordered today

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2007+ BT 4.250in Bore 4.840in - Wrinkle Black w/o Highlight

Part Number: SSY-910-0763A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/o Highlighted Fin) - 4.320in Bore

Part Number: SSY-910-1009A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/ Fins) - 4.320in Bore

Part Number: SSY-910-0909A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

Part Number: SSY-910-0762A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017 M8 Models 4.250 Bore w/ Highlight Big Bore Cylinder Set

Part Number: SSY-910-0682A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk Granite w/ Fins) - 4.320in Bore

Part Number: SSY-910-1010A

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Estimated Ship Date: May 11, 2026 if ordered today

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TOP END KIT CERAMIC COMP CYL 47.45/+0.51 11:1 YAM

Part Number: NTI-NX-40098-BK

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Estimated Ship Date: May 6, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-24243B

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VERTEX PISTON KIT

Part Number: VPX-23965A

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22584B-2

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2017+ M8 Models 132in/136in Big Bore Cyl Kit +8.5cc Dome (Blk Gran w/ Fins) - 4.320in Bore

Part Number: SSY-910-0911A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/ Highlighted Fins) - 4.320in Bore

Part Number: SSY-910-1008A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Model 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/o Fins) - 4.320in Bore

Part Number: SSY-910-0910A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017 M8 Models 4.250in Bore Rear Cylinder - Wrinkle Black w/ Highlight

Part Number: SSY-910-0676

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 4.250in Bore 4.840in Big Bore Cylinder Set - Black Granite w/ Highlight

Part Number: SSY-910-0739A

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Estimated Ship Date: May 11, 2026 if ordered today

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TOP END KIT CERAMIC COMP CYL 47.44/+0.50 11:1 YAM

Part Number: NTI-NX-40098K

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Estimated Ship Date: May 6, 2026 if ordered today

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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: May 11, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015-4K

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Estimated Ship Date: May 11, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013-CK

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Estimated Ship Date: May 11, 2026 if ordered today

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Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NA-20005K

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Estimated Ship Date: May 11, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014K

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Estimated Ship Date: May 11, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014-CK

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Estimated Ship Date: May 11, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012K

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Estimated Ship Date: May 11, 2026 if ordered today

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