Repairing vintage arcade machines is a rewarding yet challenging endeavor, primarily due to the difficulty in sourcing original parts. One major obstacle is the scarcity of components, as many manufacturers no longer produce or stock parts for decades-old machines. This forces enthusiasts to hunt for rare, second-hand parts through niche forums, auctions, or specialized dealers.

Another issue is compatibility. Even if a part is found, it may not work seamlessly due to variations in models or wear over time. Additionally, the lack of documentation for older machines complicates repairs, as schematics and manuals are often lost or incomplete.

Cost is another barrier, as rare parts can be prohibitively expensive, especially for iconic machines. Finally, the skills required to refurbish or replicate parts are dwindling, making it harder to find experts who can assist with complex repairs. Despite these challenges, the passion for preserving arcade history keeps the restoration community thriving.