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Clymer CM420 Harley-Davidson Shovelheads Service & Repair Manual 1966-1984

Manufacturer

Picture for manufacturer Clymer

Part Number

CM420
9 reviews
Sale Price

$46.94

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Clymer CM420 is a comprehensive service and repair manual covering Harley-Davidson Shovelhead motorcycles from 1966 to 1984. Written specifically for the do-it-yourself enthusiast, this manual provides everything needed to perform routine maintenance, in-depth troubleshooting, and complete engine overhauls — all without a trip to the dealership.

Packed with hundreds of photos, exploded-view drawings, specifications, and charts, the CM420 delivers clear, step-by-step instructions that make even complex procedures accessible to novice and experienced mechanics alike. Color wiring diagrams and a complete troubleshooting section are included to help diagnose and resolve electrical and mechanical issues quickly.

Key Features:

  • Step-by-step procedures with easy-to-follow photos and illustrations
  • Complete troubleshooting section with valuable diagnostic shortcuts
  • Color wiring diagrams and color spark plug diagnosis guide
  • Covers engine, transmission, brakes, suspension, and electrical systems
  • Paperback format — ISBN: 978-0-89287-566-5
  • Also sold under part numbers M420 and 70-0420

Models Covered:

  • 1966–1972 Harley-Davidson Electra Glide FL Shovelhead
  • 1971 Harley-Davidson Super Glide FL Shovelhead
  • 1973–1984 Harley-Davidson FL Shovelhead
  • 1973–1979 Harley-Davidson FX Shovelhead
  • 1974–1984 Harley-Davidson FXE Shovelhead
  • 1974–1984 Harley-Davidson FLH Shovelhead
  • 1978–1984 Harley-Davidson FXS Shovelhead
  • 1980–1983 Harley-Davidson FLHS Shovelhead
  • 1980–1984 Harley-Davidson FXEF Shovelhead
  • 1980–1984 Harley-Davidson FXB Shovelhead
  • 1980–1984 Harley-Davidson FXSB Shovelhead
  • 1980–1984 Harley-Davidson FXWG Shovelhead

Whether tackling a simple tune-up or a full engine rebuild, the Clymer CM420 is an indispensable reference that saves time, reduces frustration, and provides the confidence to get the job done right.

The website was easy to navigate. I found the product easy peasy. Placed order and my order was delivered within days not weeks. I would order again from them if I ever need shocks again.

Great experience. Fast shipping. Item arrived in good shape.

Great prices and great selection

Thank you

This is car battery thank

The product I ordered shipped, timely, and fit perfectly

The website was very easy to use and had the prop I was looking for.

Parts arrived in perfect condition. Installation went well. The on time and quick delivery was key to installation planning and

Easy and fast!

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