Download or read book Triumph 350 and 500 Unit Twins Owners Workshop Manual, No. 137 written by John Haynes and published by Haynes Manuals N. America, Incorporated. This book was released on 1989-06-29 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Haynes disassembles every subject vehicle and documents every step with thorough instructions and clear photos. Haynes repair manuals are used by the pros, but written for the do-it-yourselfer.