Monster 659 Owner's Manual page 115

E FUEL, LUBRICANTS AND OTHER FLUIDS
Fuel tank, including a reserve of 3.5 dm
Sump and filter
Front/rear brake and clutch circuits
Protectant for electric contacts
Front fork (Marzocchi)
Front fork (Kayaba)
Important
Do not use any additives in fuel or lubricants.
114
TYPE
3
(litres) Unleaded fuel with 95 fuel octane rating (at least)
SHELL - Advance 4T Ultra
SHELL Advance Brake DOT 4
SHELL Advance Contact Cleaner
SHELL Advance Fork 7.5 or Donax TA
SHELL Advance Fork 7.5 or Donax TA
CU DM (LITRES)
13.5
3.4
—
—
3
500cm
(for left leg)
3
470 cm
(for right leg)
3
349 cm
(for left leg)
3
474 cm
(for right leg)