Puch 3-/4-Speed Racing Crankshaft

This Puch 3-/4-speed racing crankshaft is specified for Puch 3-speed and 4-speed single-cylinder, 2-stroke engines. Confirm the original crankshaft, motorcycle model and required configuration before quotation.

Application
Puch 3-speed and 4-speed single-cylinder, 2-stroke engines
Intended B2B use
Puch 3-speed and 4-speed racing crankshaft B2B sourcing and specification-led projects.

Confirmed Product Specifications

Values marked Project-confirmed require review against the final application, drawing or sample before production.

Engine
Puch 3-Speed / 4-SpeedConfirmed
Engine type
Single-cylinder, 2-strokeConfirmed
Stroke
43 mmConfirmed
Connecting rod center distance
90 mmConfirmed
Piston pin
12 mmConfirmed
Upper rod eye
Ø15 mmConfirmed
Crank pin / big-end pin
Ø16 mmConfirmed
Needle bearing
12 × 15 × 14.7 mmConfirmed
Crank web diameter
Ø70 mmConfirmed
Crank web width
34.2 mmConfirmed
Width at bearing seat
35.8 mmConfirmed
Clutch-side shaft length
73.0 mmConfirmed
Ignition-side shaft length
66.4 mmConfirmed
Clutch-side steps
Ø17 / Ø15 / Ø10 mmConfirmed
Ignition-side seat
Ø17 mmConfirmed
Flywheel taper
1:5Confirmed
Crank web type
Full circle / full cheekConfirmed
OEM reference
329.2.10.015.0Confirmed

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

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 information

Puch 3-/4-Speed Racing Crankshaft FAQ

Answers are limited to the information available for this product reference and project review process.

Is this crankshaft for Puch 3-speed and 4-speed single-cylinder, 2-stroke engines?

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.