Yamaha FZ6-ST Supplementary Service Manual page 141

MEASURING THE ENGINE OIL PRESSURE
5. Measure:
S engine oil pressure
(at the following conditions)
Engine oil pressure
240 kPa
(2.4 kg/cm
Engine speed
Approx. 6,600 r/min
Engine oil temperature
96_C (205_F)
NOTE:
Regarding the oil pressure as its own data may
fluctuate depending on the oil temperature and
viscosity, the oil pressure may fluctuate when
measuring. The following data should be used
only as a reference when measuring the engine
oil pressure.
Engine oil pressure
Below
specification ifi i
Above
specification
6. Install:
S oil gallery bolt 1
3-30
CHK
ADJ
2
, 2.4 bar, 34.1 psi)
Possible causes
Faulty oil pump
Clogged oil filter
Leaking oil
passage
Broken or
damaged oil seal
Leaking oil
passage
Faulty oil filter
Oil viscosity too
high
8 Nm (0.8 mSkg, 5.8 ftSlb)