BMW R 1100 RT Bedienungsanleitung PDF herunterladen (Seite 4)

Bulletin #: 2748 Page 4

Check the idle-air screws for control by

screwing them gently in until they stop, that

cylinder should fall off then come back on when

adjusted to the basic setting.

R1100GS, R1100R, & R850R 2 1/4

R1100RS, & R1100RT 1 1/2

If you do not have "control" of the throttle body ,

find out what is wrong and correct it. Adjust the

idle-air screws until the columns are even on

the gauge with an engine RPM of: 1000

☞

150.

The idle-air screws should not require much

adjustment from their basic setting

Using the BMW Synchro tool balance the right

throttle body to the left, using cable adjuster (A)

on the left throttle body, shown in the illustration

at the right.

Check the balance at idle, at 3000, and 5000

RPMs.

If the adjustments begin to fluctuate, the normal

operating temperature has been exceeded.

Take the bike back out on the road, then re-

adjust.

left throttle body

Exhaust Gas Tests:

All basic setting (timing,

valve adjustment, throttle cable adjustment etc.)

must be correct and the engine must be at, but

not above operating temperature.

100

C (212

F).

On motorcycle with catalytic converters

and

O2 sensors, the three way Cat will reduce the

parts per million of HC, and the percentage of

CO2 to a point where they will just barely show

up on the 4-gas tester, shown in the illustration

at the right.. In this instance disregard HC and

% of CO, and simply use the CO2, O2, and Air

Fuel Ratio (AFR) if your tester has AFR.

Note:

% of CO2 is the most important indicator

of combustion.

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