This library brings together motorcycle workshop manuals, owners’ handbooks, parts catalogues, technical articles and reference material collected over more than 400,000 miles of riding, maintaining and restoring motorcycles.
Much of the content relates to machines I have personally owned, ridden or worked on, and includes original technical articles, manufacturers’ literature, workshop information and documents believed to be freely distributable. Simply select a manufacturer below to browse the available resources.
BMW – Workshop manuals, technical information and articles covering BMW motorcycles, including the R1150GS Adventure
Honda – Manuals, service information and technical articles covering Honda motorcycles and engines, from the CB125 and CB250N to the Africa Twin and CRF300L.
Moto Guzzi – Manuals, technical information and reference material for Moto Guzzi motorcycles, including the V85 TT.
Suzuki – Manuals and technical information covering Suzuki motorcycles including the FR80 and SP370.
Yamaha – Manuals, technical articles and reference material covering Yamaha motorcycles including the XT600, XT660Z Ténéré and SRX600.
Engineering Explained
These original technical articles are based on practical experience gained from maintaining, diagnosing, restoring and riding motorcycles over more than 400,000 miles. Rather than duplicating workshop manuals, they focus on real-world fault-finding, proven repair techniques and solutions to problems that are often poorly documented elsewhere. Each article is intended to complement the Technical Library and help fellow enthusiasts diagnose, maintain and repair their motorcycles with confidence.
- Why Motorcycle Exhaust Headers Turn Blue (and Why It’s Usually Normal) Understanding exhaust heat colours, air–fuel mixtures and when blueing is perfectly normal.
- Why Motorcycle Gearboxes Clunk into First (and Why It’s Usually Normal) Explains wet clutches, gearbox design and why that reassuring “clunk” isn’t a fault.
- Understanding Dry Sump Lubrication: Why It Isn’t as Complicated as You Think A straightforward guide to how dry sump systems work and why they’re used.