Rotax 277 - SECTION 7 EXHAUST SYSTEMS; SECTION 8 INSTRUMENTS - HOW AND WHY

SECTION
7
EXIIAUST
SISTEITS
Considerable effort has
gone
into the
desi8n of
the
ROTAX exhaust
aystens.
Any chan8es may severefy deteriorabe
perforrnance,
reliability, engine 1ife,
fuel
econolny,
and tlre
systen-s abil"ity to reduce noise to acceptabfe level-s.
neware
of any accesso!'y systens that advertise an inprovenent
over
the
6tock components.
I
Vibration
due to inproper
nounting is any
exhaust
system's
worst
eneny,
Pnoperl"y mounted and
maintained, your
exhaust system will
provide
a
long
service fife, Never
renove
coupling spring with
a sharp
object or one which
can nark the
spring
naterial,
A rounded screw-driver 6hank or
a
hook
fashioned
fron 1/Il'r
ban stock is ideaL. Safety-wiring of
springs
is highly
lecorunenaled.
SECTION
8
INSTRUI'IEI'ITS
-
HoW
AND
WHY
Instrunents
can
be
a valuabl.e addition
if
they are of
good quality,
correctly instalLed, are tronitored, and the
igni.tion systen.
Alternativefy
use a tachometer
operating
on
the
lighting coiL.
All instruroents requiring
power
source nust be overload
,
...
protected.
All niring and sensor
leads
nust
be
properfy
routed,
protected
from vibrations
and abrasion
The
277 engine
is
designed
and
tuned to operate
at
6A50 +
6500 r.p,m.,
ful1
1oad,
ful1
rrottte.
operator understands what they
are
te1llng him.
A
Never
use a tachorDeter wtrish
can
cause
a short-cut
on the