JA Purity IV JA Purity IV
JA Purity IV JA Purity IV
  • About The Site
  • Blue Book
  • Public Velo Stuff
  1. You are here:  
  2. Home
  3. Velocette Documents
  4. MSS Manuals
  5. F477 Owners Handbook 1954
  6. Fuel

The compression ratio of the engine is adjusted for Premium

grade fuel. Lower Octane grades should not be used.

Previous article: Fuel Taps Prev Next article: Driving Instructions Next
Open menu
  • Velocette Documents
    • GTP Manuals
      • F40/5R GTP Instruction Book 1951
    • KSS, KTS Manuals
      • F236/4R Mk. II OHC Instruction Book 1950
      • F42/3R OHC Models 1925-1931 Instruction Book
    • MAC Manuals
      • F469/4R MAC Service Guide 1965
      • F466/2R MAC Owner's Handbook 1955
      • F50/7R MAC Rigid Frame Service Manual 1955
      • F50/4R Supplement
    • MOV and MAC
      • F131-3R Instruction Book 1937
    • MSS Manuals
      • F477 Owners Handbook 1954
    • Venom, Viper, MSS
      • F485/1R Owner's Handbook 1956
      • F484/9R Service Guide 1967
      • F484/11R Service Guide 1971
    • Valiant Manuals
      • F62-1R Service Manual