Repairing Harley Davidson Case

Published on August 9, 2018
Duration: 1:39

This video demonstrates a specialized repair technique for Harley Davidson engine cases, focusing on fixing damage to sand-cast components. The instructor, with nearly 50 years of experience, explains how to cut out damaged sections, such as the main race or areas affected by connecting rod blowouts or worn bearings, and replace them with new, custom-fabricated aluminum pieces. This method allows owners to save significant costs compared to purchasing new cases while retaining original serial numbers.

Quick Summary

Repairing damaged Harley Davidson sand-cast engine cases can save owners hundreds of dollars by replacing worn sections like the main race or cam bearing holes with custom-fabricated aluminum pieces. This specialized technique allows for the retention of original serial numbers, making it a cost-effective and practical solution for common engine case failures.

Chapters

  1. 00:00Introduction to Harley Davidson Case Repair
  2. 00:08Identifying Damage in Sand-Cast Cases
  3. 00:16The Moving Insert Problem
  4. 00:19Cutting Out and Replacing Damaged Sections
  5. 00:25Installing the New Repair Piece
  6. 00:31Cost Savings and Serial Number Retention
  7. 00:38Instructor's 50 Years of Case Repair Experience
  8. 00:42Bottom Section Sand Casting Repair
  9. 00:48Repairing Connecting Rod Blowout Damage
  10. 00:50Fixing Scored Breather Gears
  11. 00:57Repairing Wobbled Cam Bearing Holes
  12. 01:06Sportster Case Countershaft Repair
  13. 01:12Replacing Corner Sections in Early Sportster Cases
  14. 01:20Learning to Fix All Harley Davidson Case Issues
  15. 01:25Project Timeline and Future Updates

Frequently Asked Questions

What common issues can occur with sand-cast Harley Davidson engine cases?

Sand-cast Harley Davidson engine cases can suffer from damage to the main race, moving inserts, connecting rod blowouts, scored breather gears, and worn cam bearing holes. These issues often require specialized repair techniques to restore the case's integrity.

How can Harley Davidson engine case repairs save money?

Repairing a damaged engine case, rather than buying a new one, can save owners hundreds of dollars. This DIY approach involves fabricating and installing replacement sections, making it a cost-effective solution for common wear and tear or failure points.

Is it possible to keep the original serial numbers when repairing a Harley Davidson engine case?

Yes, a significant advantage of performing specialized engine case repairs is the ability to retain the original serial numbers. This is crucial for vehicle identification and legality, making repair a preferable option over replacement in many cases.

What types of damage can be repaired on a Harley Davidson engine case?

Experienced technicians can repair various damages including worn main races, damaged inserts, issues from connecting rod blowouts, scored breather gears, and enlarged cam bearing holes. For cam bearing issues, a new aluminum piece is often inserted and the hole is relocated.

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