Yamaha 2002 TDM900 Service Manual page 111

CHECKING THE EXHAUST GAS AT IDLE
CHECKING THE EXHAUST GAS AT IDLE
(Measuring the exhaust gas at idle [when air in-
duction system is operating])
1. Stand the motorcycle on a level surface.
NOTE:
S Place the motorcycle on a suitable stand.
S Make sure the motorcycle is upright.
2. Remove:
S rider seat
Refer to "SEAT".
S fuel tank
Refer to "FUEL TANK".
3. Install:
S pocket tester 1
(onto the engine oil drain bolt)
S engine tachometer
(onto the spark plug lead of cylinder #1)
Pocket tester
90890-03132
Engine tachometer
90890-03113
4. Install:
S fuel tank
Refer to "FUEL TANK".
5. Start the engine and warm it up until the spe-
cified oil temperature is reached.
Oil temperature
60 X 80_C
6. Measure:
S engine idling speed
Out of specification ! Adjust.
Refer to "ADJUSTING THE ENGINE IDLING
SPEED".
Engine idling speed
1,100 X 1,200 r/min
3-22
CHK
ADJ