2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 27Get this manual
SPECIAL TOOLS AND SERVICE SPECIFICATIONS TECHNICAL DATA
TECHNICAL DATA
Full Throttle Operating Range RPM Power Idle RPM in Gear Weight Lubrication Crankcase Oil Capacity Engine Type Displacement Bore
5500-6500 HP (4.5 kw) 6000 RPM 1200 50 (R) Models: 68 Ibs(31 kg) (RL) Models: 71 .5 Ibs(33 kg)
5000-6000 HP (6.0 kw) 5500 1000 50 (R) Models: 82 Ibs(37 kg) (RL) Models: 87 Ibs(39 kg)
EvinrudeJohnson Ultra 4-Stroke synthetic blend oil Refer to Engine Lubricant, this section27.0 floz(0.8 liter) Four-Stroke, In-line cylinder, OHC 7.8 cuin(128 cc) 2.22 in(56.6 mm) 2.01 in(51.0 mm) 2.2244 to 2.2248 in(56.50 to 56.51 mm) 33.8 floz(1 .0 liter) Four-Stroke, In-line cylinder, OHC 12.87 cuin(211 cc) 2.22 in (56.6 mm) 1.65 in(42.0 mm) 2.2244 to 2.2248 in(56.50 to 56.51 mm)
Stroke Standard Bore Top Crankshaft Journal Bottom Crankshaft Journal Rod Crankpin Camshaft Intake Lobe Camshaft Exhaust Lobe Piston Ring End Gap, Top Two Rings Piston Ring Groove Side Clearance, Top Two Rings Intake Tappet Clearance Exhaust Tappet Clearance Test Propeller Minimum Test RPM