# Motorcycle Specs > motorcycle-specs.net is a comprehensive technical specification database > covering 23,733 motorcycles across all major makes, models and years from > 1983 to 2026. Over 1,300 motorcycles are currently live with full verified > data and images. Specifications are sourced from official manufacturer > documentation and verified technical sources. The database covers 750+ individual specification fields per motorcycle including engine data, dimensions, weights, chassis geometry, drivetrain, brakes, wheels, tyres and performance figures. All numeric values are presented in both metric and imperial units. ## Site structure - [Homepage](https://www.motorcycle-specs.net/): Search and browse entry point - [All Makes](https://www.motorcycle-specs.net/make): Full manufacturer directory - [By Year](https://www.motorcycle-specs.net/year): Browse all motorcycles by production year - [By Category](https://www.motorcycle-specs.net/category): Browse by motorcycle type - [Compare](https://www.motorcycle-specs.net/compare): Side-by-side specification comparison tool - [About](https://www.motorcycle-specs.net/about): Data methodology and team information - [Contact](https://www.motorcycle-specs.net/contact): Data corrections and enquiries ## URL patterns - Make directory: /make/{make-slug} - e.g. /make/bmw - Model page: /make/{make-slug}/{model-slug} - e.g. /make/bmw/s-1000rr - Spec page: /make/{make-slug}/{model-slug}/{year} - e.g. /make/bmw/s-1000rr/2023 - Year overview: /year/{year} - e.g. /year/2023 - Category: /category/{category-slug} - e.g. /category/sport - Search: /search?q={query} ## Manufacturers covered Honda, Yamaha, Kawasaki, Suzuki, BMW, Ducati, KTM, Triumph, Harley-Davidson, Aprilia, Husqvarna, MV Agusta, Buell, CFMoto, Victory, and more. ## Motorcycle categories Sport, Naked bike, Touring, Custom / Cruiser, Enduro / Off-Road, Cross / Motocross, All-Round, Classic, Sport touring, Scooter, Super motard, Minibike / Cross, Trial. ## Key features - Full specification tables grouped by category: General, Engine, Drivetrain, Chassis, Wheels & Brakes, Dimensions, Weights & Capacities, Performance, Electrical - Spec evolution charts showing how key metrics changed across production years for each model - Side-by-side year comparison tables highlighting changed specifications - Competitor model suggestions based on category and displacement matching - Multi-bike comparison tool (up to 4 bikes simultaneously) - Image galleries per specification page ## Data sourcing All specifications originate from primary sources: official manufacturer press kits, technical datasheets, homologation documents and owner manuals. Secondary verification uses established motorcycle publications and independent test data. Metric and imperial values are normalised and cross-checked. Data corrections can be submitted via /contact. ## Usage and attribution Specification data may be referenced with attribution to motorcycle-specs.net. All images are copyright their respective owners. For API access or data partnership enquiries contact admin@motorcycle-specs.net. ## Optional: full content index For a complete machine-readable index of all live specification pages, see the sitemap at https://www.motorcycle-specs.net/sitemap.xml