• First letter make: triumph, bsa, norton, matchless
• Second letter unit/preunit
• First number cc size: 650, 500, 250, if the book covers 2 engine sizes, the smaller cc will be listed first
• Last 2 numbers: year – if the book covers multiple years, it will be shown

Miscellaneous Letters Designate Models:

• victor special
• super sport
• daytona
• single
• twin
  

SM – Shop Manuals
All of our literature is laminated with comb binding making them easy to lie flat and keep clean.