Oil Recommendation - 135/150/175 (Standard) Models; Oil Recommendation - 150-175 Pro Xs Models; Fuel Additives - Mercury 135 Pro XS OptiMax Manual

Oil Recommendation ‑ 135/150/175 (Standard)
Models
OIL RECOMMENDATION
Recommended Oil
Mercury OptiMax/DFI or Quicksilver DFI 2‑Cycle Engine Oil is
recommended for your engine. If Mercury OptiMax/DFI or
Quicksilver DFI 2‑Cycle Engine Oil is not available, we
recommend using Mercury or Quicksilver TC‑W3 Premium Plus
2‑Cycle Oil. Severe engine damage may result from use of an
inferior oil.
Oil Recommendation ‑ 150–175 Pro XS Models
OIL RECOMMENDATION
Recommended Oil
Mercury or Quicksilver Premium Plus 2‑Cycle TC‑W3 Outboard
Oil is recommended for your engine. If Mercury or Quicksilver
Premium Plus 2‑Cycle TC‑W3 Outboard Oil is not available, we
recommend using Mercury Optimax/DFI or Quicksilver DFI
2‑Cycle Engine Oil or another brand of 2‑Cycle outboard oil that
is NMMA Certified TC‑W3. Severe engine damage may result
from use of an inferior oil.
IMPORTANT: Oil must be NMMA certified TC‑W3 2‑Cycle oil.

Fuel Additives

To minimize carbon deposit buildup in the engine, it is
recommended to add Mercury or Quicksilver Quickleen Engine
Treatment additive to the engine's fuel at each tank fill
throughout the boating season. Use additive as directed on
container.
FUEL AND OIL
Mercury OptiMax/DFI or Quicksilver DFI 2‑Cycle
Engine Oil
Mercury/Quicksilver Premium Plus 2‑Cycle TC‑W3
Outboard Oil
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eng