The ultimate hands-on guide to building and tuning the legendary Harley-Davidson Evolution V-Twin engine.

The Harley-Davidson EVO, Hop-Up & Rebuild Manual is a must-have for any rider, mechanic, or custom chopper builder who wants to put a wrench to an EVO V-Twin. Designed for clarity and ease of use in the garage, each section covers a specific subassembly of an EVO motor. Whether you are installing a high-performance camshaft, fitting a top-end kit, or tackling a complete assembly from scratch, you can easily pick and choose the exact chapters you need right when you need them.

For anyone planning to build an Evo that combines reliable street power with long-term durability, this book provides detailed, step-by-step photo sequences that demystify every part of the building and rebuilding process.

Expert Technical Breakdowns Include:The Bottom End: Flywheels, bearings, and crankcase assembly.
The Gearcase: Precision oil pump alignment, gear fitment, and timing.
Cylinders & Pistons: Hone specs, ring gapping, and proper clearance.
Cylinder Heads: Professional porting insights and valvetrain setup.

Written by Chris Maida-a master technician who spent nearly 20 years as the editor for American Iron Magazine-with exclusive, hands-on assistance from the record-setting crew at R&R Cycles. This shop manual doesn't just tell you what to build, it shows you exactly how to build a rockin', reliable Evo-style engine.

From simple garage maintenance to a high-horsepower strip build, the proven how-to information, clear specifications, and crisp photo sequences you need are contained right here.