Custom Engineering Options
- Custom stroke and connecting rod configuration review
- Crank pin and counterweight requirements
- Surface treatment discussion
- Logo, private-label and packaging requirements
- Drawing- and sample-based development
Puch ZA50 2-Speed Crankshaft
This Puch ZA50 2-speed crankshaft is specified for the ZA50 single-cylinder, 2-stroke engine. Confirm the motorcycle model, original crankshaft and required specification before quotation.
- Application
- Puch ZA50 single-cylinder, 2-stroke engine
- Intended B2B use
- Puch ZA50 2-speed replacement and B2B specification-led crankshaft projects.
Confirmed Product Specifications
Values marked Project-confirmed require review against the final application, drawing or sample before production.
- Engine
- ZA50Confirmed
- Engine type
- Single-cylinder, 2-strokeConfirmed
- Displacement
- Approximately 48.8 ccConfirmed
- Stroke
- 43 mmConfirmed
- Connecting rod center distance
- 90 mmConfirmed
- Piston pin
- 12 mmConfirmed
- Upper rod eye
- Ø15 mmConfirmed
- Needle bearing
- 12 × 15 × 14.2 mmConfirmed
- Crank web diameter
- 69.9–70 mmConfirmed
- Crank web width
- 34 mmConfirmed
- Clutch-side bearing seat
- Ø20 mmConfirmed
- Ignition-side bearing seat
- Ø17 mmConfirmed
- Clutch-side shaft length
- Approximately 117.8 mmConfirmed
- Ignition-side shaft length
- Approximately 79.5 mmConfirmed
- Clutch-side steps
- Ø20 / Ø16.4 / Ø10.2 mmConfirmed
- Common reinforced crank pin
- Ø16 mmConfirmed
- Ignition-side thread
- M10 × 1Confirmed
- Clutch-side thread
- M16 × 1.5Confirmed
Buyer Confirmation Checklist
- Vehicle or engine application
- Drawing, sample or reference image
- Required configuration
- Quantity and packaging requirement
Manufacturing and Quality Control
Foshan Ruizheng Machinery Manufacturing Co., Ltd. reviews manufacturing and inspection requirements against the confirmed project specification.
Crankshaft quality-control informationPuch ZA50 2-Speed Crankshaft FAQ
Answers are limited to the information available for this product reference and project review process.
Is this crankshaft for Puch ZA50 single-cylinder, 2-stroke engine?
This page is a B2B reference. Final fitment is reviewed against the vehicle or engine information supplied for the project.
What is required before quotation?
Please provide the application, technical reference, quantity, drawing or sample, and packaging requirements if applicable.