Precision components / Motorcycle Crankshaft
Ruizheng Racing Minarelli Horizontal 10mm Pin Crankshaft
Minarelli Horizontal 50cc 2-stroke scooter applications
- Standard Stroke
- 39.2 mm
- Crank Throw
- 19.6 mm
- Piston Pin Diameter
- 10 mm
View applications & fitment. Custom stroke available; specify your required dimensions.
At a glance
Key specifications
Supplier-provided references. Final custom configurations must be agreed. See the complete technical specifications below.
Engineering data
Technical specifications
Dimensions & geometry
- Standard Stroke
- 39.2 mm
- Crank Throw
- 19.6 mm
- Connecting Rod Center-to-Center Length
- 80 mm
- Piston Pin Diameter
- 10 mm
- Small End Needle Bearing
- 10 × 14 × 13 mm
- Ignition Side Shaft Diameter
- 20 mm
- Transmission Side Shaft Diameter
- 20 mm
Application & supply
- Brand
- Ruizheng Racing
- Product Type
- Reinforced Crankshaft Assembly — supplier designation
- Engine Platform
- Minarelli Horizontal
- Engine Type
- 2-Stroke, Single Cylinder
- Application Displacement
- 50 cc / modified 70 cc application reference
- Crankshaft Design
- Full-Circle Type — supplier designation
- MOQ
- 300 pcs
Specification source & technical context
Minarelli horizontal crankshaft sourcing reference with a 10 mm piston pin, 39.2 mm standard stroke and 80 mm connecting rod. MOQ 300 pcs. Supplier-listed dimensions require approval against your engine drawing; custom-stroke enquiries are welcome.
Supplier-provided applications
Applications & fitment
Minarelli Horizontal 50cc 2-stroke scooter applications
- Yamaha Aerox 50
- Yamaha Jog 50 / Jog R / Jog RR
- Yamaha Neo's 50
- MBK Nitro 50
- MBK Ovetto 50
- MBK Mach G 50
- Aprilia SR50 2T
- Malaguti F12 Phantom 50
- Malaguti F15 Firefox 50
- Benelli 491 / K2 50
- Beta Ark 50 / Eikon 50
- Italjet Dragster 50
Please confirm your engine version and installation dimensions before ordering. Only matching horizontal 2-stroke engine versions are in scope. Model years, cooling version, pin and bearing interfaces require confirmation. Modified 70cc is an application reference, not a guaranteed performance or compatibility claim.
OEM / Customization
Your project requirements.
Custom stroke is available subject to technical review. Send the required stroke, engine version, drawing or sample, quantity and country. No custom range, material, tolerance or certification is promised.
Related products
Related components, not a claim of interchangeability.
Before you order
Frequently asked questions
What are the main supplied specifications?
Standard Stroke: 39.2 mm; Connecting Rod Center-to-Center Length: 80 mm; Piston Pin Diameter: 10 mm. Values are supplier catalog references, not independent measurements.
Which engine versions are covered?
Supplier-provided applications: Yamaha Aerox 50; Yamaha Jog 50 / Jog R / Jog RR; Yamaha Neo's 50; MBK Nitro 50; MBK Ovetto 50; MBK Mach G 50; Aprilia SR50 2T; Malaguti F12 Phantom 50; Malaguti F15 Firefox 50; Benelli 491 / K2 50; Beta Ark 50 / Eikon 50; Italjet Dragster 50. Please confirm your engine version and installation dimensions before ordering. Only matching horizontal 2-stroke engine versions are in scope. Model years, cooling version, pin and bearing interfaces require confirmation. Modified 70cc is an application reference, not a guaranteed performance or compatibility claim.
Can I request customization?
Custom stroke is available subject to technical review. Send the required stroke, engine version, drawing or sample, quantity and country. No custom range, material, tolerance or certification is promised.
What is included in the supply?
Confirm the exact part variant, bearings, bolts and accessories in the quotation. Items pictured do not establish the final package contents or component brands.
What is the minimum order quantity?
MOQ is 300 pcs. Confirm the order unit and final assembly or rod supply configuration in the quotation.
What should I send for a quotation?
Provide your model, year, engine version, required dimensions or drawing, quantity, destination country and customization needs. Unspecified material, hardness, tolerances and certifications require explicit technical agreement.
Start your specification review
Request a Quote
Tell us your required stroke, engine version and assembly requirements. MOQ: 300 pcs.
Request a QuoteThe RFQ requirements field includes a custom-stroke entry prompt. No unconfirmed stroke options are offered.