6
R 1200 CL
Engine
The engine is designed to run on premium
grade fuel (95 RON/92 AKI).The air fuel mix-
ture is ignited by a centrally placed spark
plug.
Directly connected to each spark plug are
the new direct connection ignition coils (ie:
F 650 CS). These coils eliminate the sec-
ondary spark plug wire ensuring consistent
spark voltage over the lifetime of the motor-
cycle. Due to the ignition coils, the cylinder
head covers are new.The ignition coils each
have a separate ground wire that connects
to the engine cylinder head.
The exhaust system with a hard chrome
plated surface is produced in three sec-
tions: two exhaust manifolds consisting of a
55 mm double walled tube and a flange-
mounted, 1-section exhaust silencer with
short tail pipes. This has 4 chambers and is
based on the reflection and absorption prin-
ciple.
In the exhaust silencer of the R 1200 CL, two
catalytic converters are used. The small
diameter and a flat design, offers a higher
sectional flow. The cylindrical catalytic con-
verter carriers have a diameter of 60 mm
and a length of 74 mm.
The heated O2 sensor is located in the
exhaust gas stream of the two exhaust man-
ifolds beyond the catalytic converters.
During the warm-up period from 60° C
motor oil temperature (just a few minutes
after starting), it already ensures that the
engine runs in accordance with the stoi-
chiometric mixture (lambda=1).
The catalytic converters are made of palla-
dium and rhodium. Palladium accelerates
the oxidation of hydrocarbons and carbon
monoxide. Rhodium reduces nitric oxide.
New Ignition Coils
Exhaust Components
Twin Catalytic Converters, Single O
2
Sensor
R 1200 CL Introduction
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