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"Bonnie's Back Pages" - Triumph HomePage

Hi! Meet "Bonnie", my classic 1969 650 Triumph Bonneville T120. You don't have to be a motorcyclist to appreciate Bonnie's elegant design and graceful lines. Her grace and beauty are appreciated by all who feel their gaze pulled her way.

"Bonnie's Back Pages" is your homepage for complete, comphrehensive, clearly written and illustrated info for tuning, maintaining, and repairing Classic Triumph 650 Twins.

"The Bonnie Ref" is the mother of all articles - an unparalleled base repository for the specific and general knowledge necessary to properly care for the classic 60s and 70s Triumph 650 twin motorcycles. All hyperlinked for super easy access - Menu, Sections, Table of Contents, detailed Index - Wired! Not tired!

First link below.

Wrenching the Bonnie

"The Bonnie Ref"

Exhaust Tappets for 650 Triumph

The Bonnie Ref , A Hyperlink Junkie's Illustrated Field Guide to the 1969 Triumph Bonneville T120R.

The Bonnie Ref is a comprehensive collection of information and illustrations useful for amateur and pro mechanics alike.

Check it out before you have another wrenching experience!

Hermit's Classic Triumph 650 Technotes

Photo of Triumph 650 points and contact breaker
Index to Triumph 650 Technotes
A couple dozen great illustrated articles with tips to help you keep your classic Triumph motorcycle happy and in good fettle. Everything from conquering the Triumph centerstand Super-Spring, to ignition timing and carb-tuning - all with tons of photos.

Hyperlinked Parts Lists for the 1969 Triumph Bonneville

Exploded view drawing of a Triumph 650 cylinder and head
Hermit's '69 Triumph 650 Bonneville Parts Lists
These illustrated and hyper-linked parts lists are a uniquely convenient way to access size, thread, orientation, torque, notes, and more about every part on the 1969 Bonneville. Over two-dozen ways to view the parts.

How many nipples does a Bonnie have? We've got you covered.

Updated, Hyperlinked Version of the "Triumph Overhaul Manual"


Triumph 650 engine
Triumph 650 Complete Engine Overhaul Manual
Here's an expanded hypertext update to Thomas G. Gunn, Jr.'s classic treatise on the complete overhaul of Triumph 650 engines.

It corrects errors in the original, provides further updated technical info, and gives seamless, one-click access to footnotes, table of contents, and corresponding sections in the Workshop Manual to further inform.

Special Tools for 1960's Triumph 650 Motorcycles

There's a wide variety of special tools for Triumph 650s. Some are nice to have. Others are indispensable. Some you really don't need, and a few you can make yourself.

Photo of a Triumph crankshaft pinion extractor tool
Classic Triumph Motorcycle Special Tools Sooner or later you're going to need some of these! A complete catalogue of factory and custom tools to work on your classic Triumph.

Breaker - Breaker.. One tool you don't need. Save the money.

Triumph 4-Speed Gearbox Photo Animations

Triumph gear cluster
Triumph 650 Gearbox Photo Animation: Front View
Hermit's Triumph animation shows all the movements of the gear cluster and camplate through all gears and neutral.

Accompanying still photos use color-coded diagrams for you to see the transfer of power from the mainshaft through all four gears (and neutral) to the gearbox sprocket.
Triumph gear cluser from back
Triumph 650 Gearbox Photo Animation: Rear View.
The same great gearbox photos and photo animation but viewed from the rear.

Highly educational.

Hermit.cc Gearbox Article Index

Mockup of the camplate and gearshift quadrant of a 1969 650 Triumph Bonneville
The Index Page for Hermit's Gearbox Articles
Links to all the articles on the Triumph 650 4-speed gearbox. Subjects include trouble-shooting, disassembling, re-assembling, indexing, and making sure your Triumph's gearbox is outfitted with the correct parts.

Bright Moments

Shaking Motorcycle
Two-Wheeled Humor  Some funny stories to tickle your funny bone, and a sudden and unexpected appearance by Lucas, the Prince of Darkness.

Lucas - Loose Unsoldered Connections and Splices

Additional Resources On the Web

Brit-Iron Web Links

Logo for Classic British Motocycle Links
Classic British MC Links
All British all the time - a database of British motorcycle resources on the Internet. Categorized links to parts suppliers, repair and restoration services, motorcycle clubs, service specialists, accessories, history, tools, and museums. Did I miss anything? Probably.

Video on the Web

Lowbrow video cover
Subject Index to the Lowbrow Triumph 650 Rebuild Video Series This outstanding 13-part Lowbrow video series gives comprehensive instructions on disassembling, inspecting, and reassembling the Triumph 650 unit engine. Todd's upbeat, humorous delivery provides the crucial info, practical tips, and encouragement you need to get 'er done!

Tach and Speedo Repair Services

Photo of Smith's tach and speedometer on a 650 Triumph motorcycle
Smith's Instruments Repair Resources What? Your Smith's tach and speedo are on the fritz again? Whether you want to go the Do-It-Yourself route, or take out the plastic, here are resources to help.

Coming soon - Bardfark will demonstrate how to open up your Smiths speedo can using only a concrete block. Nice, Bardfark, real nice! With your usual finesse, I'm sure!

Motorcycle Book Bibliography

J.B.Nicholson's ''Modern Motorcycle Mechanics'' book cover, with Roy Bacon's ''The Triumph Bonneville T120''
Classic Triumph Annotated Book List
A modest annotated list of books on classic/vintage Triumph motorcycles, as well as others, including BSA.

Includes some reader reviews and suggestions from the BritIron mailing list.

Hermit's Bonnies

My First Triumph Motorcycles

Thumbnail of a 1951 Triumph 6T motorcycle
I used a Honda Sport 50 and CB160 to step up to my first Triumph motorcycle, a 1953 Triumph 650 Thunderbird ($400). Next was a brand new 1966 Bonneville off the Free State Cycle showroom floor ($1,150). Then, while in the USAF, another 1966 Bonnie (used, $1,000)
First Triumph, First Bonnies

Hermit's Latest Bonnie, Found in a Barn!

Photo of a mechanic tuning the carbs on a Triumph Bonneville motorcycle
Once, a redheaded girl named Bonnie became attached to me. Another army brat, she'd lived in France. Claimed she spoke French and could teach me. She sang "C'est si bon!" as she pushed me on the swings. Summer of '51, Dundalk, Maryland.

When time came for Bonnie to leave, she kissed me goodbye in the stairwell. Probably tenderly. She said we might meet again someday.

Well, never crossed paths with that Bonnie again, although there were a few others. Found my latest romance in a barn!