Dragonman Back at Work

Published on July 13, 2025
Duration: 8:48

This video showcases Dragonman's extensive engine rebuilding and gunsmithing services, focusing on motorcycle engines. He demonstrates precision machining techniques like cylinder boring and valve grinding, highlighting his vast inventory of parts and specialized tools. Dragonman emphasizes his ability to perform complex repairs, including welding damaged components and rebuilding entire engines and transmissions, offering a comprehensive service for motorcycle enthusiasts.

Quick Summary

Dragonman offers expert motorcycle engine rebuilding services, including precision cylinder boring, valve grinding, transmission repair, and specialized welding. He emphasizes having a large stock of parts to minimize turnaround time and can perform complex repairs like fixing spun inserts and cam holes, ensuring a perfect fit for components through precise machining.

Chapters

  1. 00:00Cylinder Boring & Fit
  2. 01:01Valve Grinding & Parts Stock
  3. 02:0266 Motor Build & V Twin Catalog
  4. 02:50Rebuild Motor & Welding Repair
  5. 03:18Transmission Repair & Bushing Replacement
  6. 03:40Complex Engine Case Repair
  7. 04:28Head Repair & Valve Seats
  8. 04:48Flywheel Shaving
  9. 05:01Workload & Shipping Issues
  10. 05:44Flywheel & Shafts for Scott
  11. 06:34Upcoming Engine Jobs
  12. 07:08Cylinders & Heads Work
  13. 07:26Rebuild Your Own Motor Service
  14. 07:59Welding Services & Exhaust Ports
  15. 08:18Weekend Workload & Contact Info

Frequently Asked Questions

What specialized services does Dragonman offer for motorcycle engines?

Dragonman offers expert services including precision cylinder boring, three-angle valve jobs using a valve grinder, transmission repair with bushing replacement, welding for damaged engine components, and complex repairs like fixing spun inserts and cam holes in engine cases.

How does Dragonman ensure a perfect fit for engine components like cylinders?

A perfect fit for engine components, such as cylinders, is indicated by a noticeable suction sound when the part is seated. This auditory cue, combined with precise machining, ensures optimal performance and sealing.

What is the cost for Dragonman's 'rebuild your own motor' service?

The 'rebuild your own motor' service offered by Dragonman costs $1,200. Customers are advised to pack their engine components carefully for shipping to ensure they arrive safely.

What kind of valve seats does Dragonman recommend and why?

Dragonman recommends nickel alloyed valve seats, stating they last a lifetime. These are superior to standard soft metal seats, which can become pitted due to analytic gas, impacting engine performance and longevity.

How should customers ship their engines for rebuilding?

When shipping an engine for rebuilding, it's recommended to pack components like heads and barrels separately and wrap them thoroughly, preferably with towels, to prevent damage during transit. Using multiple boxes is also advised for better protection.

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