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There is one OIL FOR AIR-COOLED ENGINES.
Air cooled engines run hotter than water
cooled outboard-type engines and require a lubricant formulated
for their unique lubrication requirements.
Outboard oils have a
lower flashing point and tend to burn up early in air-cooled
engines, causing carbonization and eventual ring sticking.
Because
of this, BIA, TC-W and TC-WII oils can promote the formation of
deposits.
Rotax recommends the use of a 2-cycle oil for air cooled
engines as
the optimum oil in most of their owner's manuals (all but the
618).
This includes the 277/377/447/ 503 air cooled engines PLUS the 532
and 582 liquid cooled engines.
These liquid cooled engines run the
same high internal temperatures as the air-cooled smaller engines
and require the same high-temperature type of oil.
ATTENTION
These oils are NOT compatible
with TC-W or TC-WII lubricants.
DO NOT MIX THE TWO DIFFERENT OILS IN YOUR SYSTEM
OR GELLING MIGHT OCCUR.
Follow manufacturer's
recommendation for mixing ratios. For the 618 Rotax aircraft
engine two stroke Water cooled engine oil is recommended sue to
the cooler
internal temperatures. With a lower flash point, this oil is
perfect for engines such as the 618 which run similar temperatures
to those of an outboard type engine.
ATTENTION -
There are also two different formulations one for pre mix
and one for oil injection!
For further information on an oil test click here!
CAUTION:
DO NOT MIX 2-CYCLE AIR COOLED
OIL WITH TWO STROKE WATER COOLED OILS OR IT MAY GEL IN YOUR LINES. Drain all oil if you ever
change oil types.
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