Clymer CM414 Yamaha IT125-490 Dirt Bike Service & Repair Manual 1976-1986

The Clymer CM414 is a comprehensive service and repair manual covering Yamaha IT-series dirt bikes from 1976 through 1986. Written with the do-it-yourself enthusiast in mind, this manual provides the in-depth guidance needed to tackle everything from routine maintenance to complete engine overhauls — without relying on a dealer.

Key Features:

• Covers basic maintenance, diagnostics, troubleshooting, and complete mechanical overhaul
• Includes exploded views, technical drawings, specifications, and charts for clear step-by-step guidance
• Features shortcut repair procedures and high-performance modification tips
• Detailed photography and illustrations throughout all 352 pages
• Written in plain language accessible to novice and experienced mechanics alike
• Published by Clymer, part of the Haynes Manuals family of brands

Models Covered:

• Yamaha IT125 (1980–1981)
• Yamaha IT175 (1977–1983)
• Yamaha IT200 (1984–1986)
• Yamaha IT250 (1977–1983)
• Yamaha IT400 (1976–1979)
• Yamaha IT425 (1980)
• Yamaha IT465 (1981–1982)
• Yamaha IT490 (1983–1984)

Also known as: Clymer M414, Clymer 27-M414. UPC: 024185733027.

Keep this manual in your toolbox — it's an essential reference for any owner or mechanic working on Yamaha IT-series two-stroke enduro bikes from this era.