1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 321Get this manual
12-3 DF40DF50 "Y" (00) model
SERVICE DATA
Item Unit Data DF40T40QH DF50T50QH
POWERHEAD
Recommended operating range Idle speed Cylinder compression Cylinder compression maxdifference between any other cylinders Engine oil pressure Engine oil Engine oil amounts Thermostat operating temperature
rmin rmin kPa (kgcm2, psi) kPa (kgcm2, psi) kPa (kgcm2, psi)
5200 5800 5900 6500 850 50 (in-gear: approx.850) 1300 1600 (13 16, 185 228) 100 (1.0, 14) 300 380 (3.0 3.8, 43 54) at 4000 rmin (at normal operating temp API classification SE, SF, SG, SH, SJ Viscosity rating SAE 10W-40 2.2 (2.31.9)Oil change only 2.4 (2.52.1)Oil filter change 48 52 (118 126), 58 62 (136 144)
L (USImpqt) (F)
For serial noDF40-031586 and later models, DF50-031526 and later models Figures shown are guidelines only, not absolute service limits
ENGINE OIL PUMP
Radial clearance Side clearance Limit Limit mm (in) mm (in) 0.31 (0.012) 0.15 (0.006)