Motorcycle Racing Crankshaft Manufacturer
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- AX115-Crankshaft
AX100 Crankshaft – High Performance Replacement for Suzuki AX100
- AX100 crankshaft (Kruk As) for Suzuki AX100 motorcycles. A durable replacement for engine rebuilds and performance upgrades.
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- GY6 Crankshaft
GY6 Custom Crankshaft | Kymco QMI152 / QMJ152 / 157QMB
- Custom Kymco GY6 crankshaft (Kruk As) for QMI152, QMJ152 and 157QMB scooter applications. Confirmed Stroker options: 3 mm, 8.2 mm, 10.20 mm and 14 mm. Kruk As Custom Stroke OEM/ODM projects are quote-only.
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- Honda CG400 Crankshaft Manufacturer
High-Performance CG400 Crankshaft for Honda
- High-performance CG400 crankshaft (Kruk As) for Honda CG400 engine rebuilds and performance tuning.
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- Honda
Honda PCX 125/150 & SH 125/150 Complete Crankshaft
- Complete motorcycle crankshaft assembly for Honda PCX125/PCX150/SH125/SH150 sourcing projects. 13 mm small end, 62 mm bearing OD and 250 mm overall length. MOQ 300 pcs; final fitment and custom stroke require engineering confirmation.
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- PCX160 Performance Crankshaft Manufacturer, Honda, Motorcycle Racing Crankshaft Manufacturer
Honda PCX160 Crankshaft – +4/+6/+10/+14 mm Custom Stroke
- PCX160 Crankshaft (Kruk As) for Honda PCX160, ADV160 and Vario160. Stroke Up +4 mm, +6 mm, +10 mm and +14 mm options are available. For Kruk As Custom Stroke projects, OEM/ODM quotation applies. MOQ 300 pieces.
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- Honda
Honda SH150i Crankshaft Assembly 2013–2019 | 57.9mm Stroke
- Honda SH150i Crankshaft Assembly – 57.9mm Standard Stroke Ruizheng Racing supplies standard replacement crankshaft assemblies for Honda SH150i 153cc eSP engine projects, with OEM/ODM customization available for B2B buyers. Main Application: Honda SH150i (2013–2019 Reference) Engine: 153cc, 4-Stroke, Liquid-Cooled, SOHC Standard Stroke: 57.9mm Crank Throw: 28.95mm Cylinder Bore Reference: 58mm Piston Pin Diameter: 14mm MOQ: 300 pcs Customization: OEM/ODM, Drawings,…
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- Motorcycle Racing Crankshaft Manufacturer, Honda, Tiger Crankshaft
Honda Tiger Crankshaft – OEM for Tiger Revo, GL Pro & MegaPro
- Honda Tiger Crankshaft (Kruk As) for Honda Tiger 2000, Tiger Revo, GL Pro, GL Max and MegaPro. MOQ: 300 pieces. OEM logo marking and custom packaging are available after confirmation.
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- KR150 Crankshaft
Kawasaki KR150 Racing Crankshaft
- Custom Kawasaki KR150 racing crankshaft (Kruk As Racing) for Ninja ZX150, RR150 and KR150. Confirmed Jack-Up options: +0.8 mm, +1.0 mm, +2.0 mm and +3.0 mm. Kruk As Custom Stroke projects are quote-only.
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- Motorcycle Racing Crankshaft Manufacturer, KR150 Crankshaft
KR150 Crankshaft with CNC Connecting Rod | Custom Jack-Up
- Custom KR150 crankshaft (Kruk As) with CNC connecting rod (Stang Seher) for KR150, Ninja 150 R/RR/SS, KRR, ZX150 and Serpico applications. Available with +0.8mm, +1.0mm, +2.0mm and +3.0mm Jack-Up options. For Kruk As Custom Stroke projects, specifications are available according to drawings, samples or confirmed project requirements.
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- Yamaha
Minarelli Horizontal 50cc Racing Crankshaft 10mm / 12mm
- Minarelli Horizontal 50cc Racing Crankshaft – 10mm / 12mm Pin Ruizheng Racing supplies racing crankshaft assemblies for Minarelli Horizontal 50cc two-stroke scooter engines, with 10mm and 12mm piston pin options and a 39.2mm standard stroke. Engine Platform: Minarelli Horizontal 2-Stroke Engine Applications: 50cc / Selected Modified 70cc Projects Stroke: 39.2mm (Standard) Connecting Rod Length: 80mm Piston Pin Options: 10mm /…
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- Yamaha
Minarelli Horizontal Crankshaft 10mm Pin – Racing 39.2mm
- Minarelli Horizontal Crankshaft – 10mm Pin / 39.2mm Stroke Ruizheng Racing supplies racing crankshaft assemblies for Minarelli Horizontal 50cc two-stroke scooter engine projects, with standard-stroke specifications and OEM/ODM customization. Stroke: 39.2mm (Standard) Connecting Rod: 80mm Center-to-Center Piston Pin: 10mm Small-End Bearing Size: 10 × 14 × 13mm Shaft Diameters: 20mm Ignition Side / 20mm Transmission Side Applications: Yamaha Aerox 50,…
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- Motorcycle Racing Crankshaft Manufacturer, Honda, PCX160 Performance Crankshaft Manufacturer
PCX160 65.5mm Crankshaft – Honda PCX160/ADV160/Vario160
- PCX160 65.5mm Crankshaft (Kruk As) with confirmed 65.5 mm final stroke for Honda PCX160, ADV160 and Vario160. OEM/ODM quotation, MOQ 300 pieces.
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- PCX150 Crankshaft
Ultimate 61.5mm PCX150 Racing Crankshaft – Vario150/ADV150 Upgrades
- PCX150 Racing Crankshaft (Kruk As PCX150) from Ruizheng Racing is engineered for riders and workshops seeking high durability, power, and smooth balance. Designed for Southeast Asian riders, racing teams, and global performance motorcycle shops, this crankshaft delivers both strength and precision for serious racing applications.
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- Yamaha F1ZR Racing Crankshaft
Yamaha F1ZR Custom Crankshaft | 52 / 53 / 53.6 / 54 mm
- Custom Yamaha F1ZR crankshaft (Kruk As) with confirmed 52 mm, 53 mm, 53.6 mm and 54 mm options. OEM/ODM Kruk As Custom Stroke projects are available by quotation.
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- Mio Crankshaft, Motorcycle Racing Crankshaft Manufacturer, Yamaha
Yamaha Mio Crankshaft – 62 / 63.8 / 64 / 66 / 68 mm Custom Kruk As Mio
- Yamaha Mio Crankshaft / Kruk As Mio for Mio Sporty, Soul, J, M3, Fino and Nouvo. Stroke/JACK: 62 mm/+2.1 mm, 63.8 mm/+3 mm, 64 mm/+3 mm, 66 mm/+4 mm, 68 mm/+5 mm. OEM/ODM. MOQ: 300 pieces.
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- Nmax Crankshaft
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.
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- Motorcycle Racing Crankshaft Manufacturer, Yamaha RX King Racing Crankshaft
Yamaha RX King Racing Crankshaft – Kruk As RX King
- Custom Yamaha RXKING crankshaft with confirmed 0.8 mm and 1.0 mm stroke-up options. OEM/ODM and custom stroke projects available by quotation.
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- YFZ350 Crankshaft
YFZ350 Banshee Crankshaft — Stock / +4 / +7 / +10mm Stroker
- Performance YFZ350 Banshee crankshaft (Kruk As) for Yamaha Banshee 350 and compatible RZ350 applications. Available in stock 54mm, +4mm, +7mm and +10mm stroker options. MOQ: 100 pcs.
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Motorcycle Crankshaft OEM/ODM Supply
Ruizheng Racing supplies motorcycle racing and performance crankshafts for manufacturers, distributors, engine builders and OEM/ODM projects. Custom specifications are confirmed by motorcycle model, engine code, drawing or sample before production.
Custom Motorcycle Crankshaft Solutions
- Standard and custom stroke configurations confirmed for the project
- Crank pin, connecting rod, counterweight and finish options
- Logo, packaging and repeat wholesale supply support
For a quotation, provide the motorcycle model or engine code, target stroke, crank pin diameter, connecting rod specification, quantity, destination country and any available drawing or sample. Contact Ruizheng Racing or send crankshaft requirements on WhatsApp.
Explore related Crank Pin and Connecting Rod categories, or review OEM/ODM support.
Find a Confirmed Crankshaft Project
- Yamaha RX King Custom Crankshaft
- Kawasaki KR150 Custom Crankshaft
- Honda PCX160 Custom Crankshaft
- Yamaha F1ZR Custom Crankshaft
- Yamaha Mio Custom Crankshaft
- Yamaha NMAX Custom Crankshaft
Each project is confirmed by motorcycle model, engine code, target stroke, drawing or sample before quotation and production.
Crankshaft Procurement FAQ
What information is needed for a motorcycle crankshaft quotation?
Please provide the model or engine code, target stroke, crank pin diameter, connecting rod specification, quantity, destination country and any available drawing or sample.
Can you support custom motorcycle crankshaft projects?
Custom stroke configurations can be discussed after the model, engine code, drawing or sample and project requirements are confirmed.
How is crankshaft compatibility confirmed before production?
Compatibility is confirmed from the model, engine code, target stroke and available drawing or sample before quotation and production.
Can OEM or ODM packaging be discussed?
Logo marking and packaging requirements can be discussed as part of an OEM or ODM project.



































