Requirements On The Exhaust System - Rotax 912 Series Installation Manual

11.1) Requirements on the exhaust system

See Fig. 13.
- mean bending radius of exhaust bend :
- exhaust bend, inside dia.:
- muffler volume:
- back pressure at takeoff performance:
- The 4 exhaust sockets included in the supply scope have to be used without
exception. See fig. 13.
Material of the exhaust sockets:
Tightening torque of the lock nut M8
for the exhaust flange: 12-20 Nm (106 -177 in.lb.) Pay also attention on
SI-05-1997.
■ CAUTION:
■ CAUTION:
Effectivity: 912 Series
Edition 1 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
Fit heat shields near carburetors or as required.
Because of the high temperatures occurring, provide suitable
protection against unintentional contact.
Secure exhaust system by suitable means according to instal-
lation.
(1.42 in.)
36
00776
Fig. 13
min. 40 mm (1.6 in.)
min. 28 mm (1.1 in.)
approx. 5 l (1.32 US gal)
max. 0,2 bar (2.9 psi.) (readings
taken approx. 100 mm (3.93 in.)
from exhaust flange connections).
X 6 CrNiTi 1810 (DIN 1.4541)
page 40
May 01/2007