Motor Job Rebuilding Season

Published on March 26, 2025
Duration: 5:17

This video details the process of rebuilding motorcycle engines, specifically focusing on the lower end, cylinders, heads, and rocker boxes. Dragonman's machine shop offers services for 'rebuild your own motor' packages, including component refurbishment and replacement with quality parts like Hastings rings and cast pistons. The process involves meticulous cleaning, resurfacing, and reassembly, with options for upgrades like nickel seats for unleaded fuel compatibility.

Quick Summary

Motorcycle engine rebuilding involves refurbishing components like rocker boxes by replacing bushings and resurfacing ends. Upgrades such as nickel seats are crucial for unleaded fuel compatibility, offering extended durability. Quality parts like Hastings rings and Timken bearings are used, with base rebuild services starting around $1,200.

Chapters

  1. 00:02Introduction to Machine Shop
  2. 00:11Motor Rebuild Process Overview
  3. 00:21Rocker Box Rebuild Details
  4. 00:34Pricing for Rocker Rebuilds
  5. 00:40Completed Motor Rebuild Showcase
  6. 01:01Engine Component Quality
  7. 01:07Nickel Seats for Unleaded Gas
  8. 01:15Valves, Guides, and Springs
  9. 01:21Pistons and Rings
  10. 01:41Evolution Motor Rebuild
  11. 01:58Full Motor Rebuild Cost
  12. 02:14Another Rebuild Your Own Motor
  13. 02:34Spring Tension and Valve Pressure
  14. 02:40Component Details Recap
  15. 02:53Packing for Shipping
  16. 03:34Shipping a Complete Home Motor
  17. 03:57Recommended Shipping Method
  18. 04:22Base Price and Add-ons
  19. 04:28Optional Upgrades
  20. 04:48Busy Season and Scheduling
  21. 05:06Guarantee and Closing

Frequently Asked Questions

What is involved in rebuilding motorcycle rocker boxes?

Rebuilding rocker boxes involves replacing small internal bushings and resurfacing the ends of the rockers. This process ensures proper function and longevity for the valve train components.

Why are nickel seats recommended for motorcycle engines?

Nickel seats are highly recommended for engines that run on unleaded gasoline. They are significantly more durable and resistant to wear compared to standard seats, offering a much longer lifespan.

What is the typical cost for a 'rebuild your own motor' service?

The base price for a 'rebuild your own motor' service, including parts and labor, starts around $1,200. Additional upgrades and specific component choices can increase the overall cost.

What is the best way to ship motorcycle engine parts for repair?

For cost-effectiveness, disassemble the motor and pack components in separate boxes. Use plastic milk crates for the lower end, wrap everything in towels, and ship via FedEx or UPS directly to terminals, not retail stores.

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