Yamaha NMAX Custom Crankshaft | 61.7 / 64.8 / 65.7 / 66.7 / 67.1 / 68.7 mm
Custom Yamaha NMAX crankshaft (Kruk As) with confirmed 61.7 mm, 64.8 mm, 65.7 mm, 66.7 mm, 67.1 mm and 68.7 mm stroke options. Quote-only OEM/ODM projects.
Description
Yamaha NMAX Custom Crankshaft
Ruizheng Racing supplies custom NMAX crankshaft projects. Select the confirmed stroke option that matches your engine build. Specifications are confirmed before production, and all projects are quotation only.
Confirmed NMAX Crankshaft Options
| NMAX crankshaft option | Stroke | Marked configuration |
|---|---|---|
| NMAX 61.7 mm | 61.7 mm | Stroke Up +3 mm |
| NMAX 64.8 mm | 64.8 mm | Stroke Up +6.1 mm |
| NMAX 65.7 mm | 65.7 mm | Jack +3.5 mm |
| NMAX 66.7 mm | 66.7 mm | Jack +4 mm |
| NMAX 67.1 mm | 67.1 mm | Jack +4.2 mm |
| NMAX 68.7 mm | 68.7 mm | Jack +5 mm |
Custom NMAX Crankshaft Projects
Send your NMAX engine information, selected stroke option, drawing or sample, quantity, logo and packaging requirements for technical review and quotation.
Related Yamaha Performance Parts
FAQ
Can I request a custom NMAX crankshaft?
Yes. Send the required specification, drawing or sample for feasibility review.
Is a public price available?
No. NMAX crankshaft projects are quote only.
Compatible Brand
Yamaha
Ruizheng Racing manufactures aftermarket and custom motorcycle engine parts for selected Yamaha-compatible applications. The Yamaha name is used only to identify vehicle or engine compatibility. Products shown on this page are manufactured or supplied by Ruizheng Racing unless otherwise stated.
Compatible with selected Yamaha motorcycle or engine applications. Ruizheng Racing provides aftermarket and OEM/ODM engine components including crankshafts, camshafts, connecting rods, pistons and related parts. Compatibility should be confirmed by model, engine code, year or sample before ordering.







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