The Yamaha YZ125, introduced in 1974, has the longest production run of any motocross bike in the world.Over the years, the 125-cc, two-stroke liquid cooled engine has evolved greatly.The current version weighs about 190 pounds dry and makes some 32-35 horsepower at the rear wheel.

Max Miille lives in Hillsboro, Oregon, and shares a workshop with his father, the owner of Sandragon Motorsports - builders of custom ATVs and ATV parts. Max works as a welder/fabricator and fell in love with customizing bikes. After building a Yamaha XS650, he has become obsessed with dirt-biking.

The donor is a 1993 YZ125, which Max bought for only $500!

“It looked like a scrap, so instead of restoring it I decided to make a custom dirt bike.”

Specifications:

• aluminum number plate
• aluminum tank
• the subframe was chopped and a new tail section was made on the frame
• aluminum rear fender
• aluminum roost guard
• aluminum air intake
• stainless airbox
• new Church Moto custom seat
• new set of wheels