1999 EE Johnson Outboards 25, 35 3-Cylinder Service Manual, Page 14Get this manual
Engine Specifications 25 and 35 Operation
Full Throttle Operating Range Power Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM Weight:
5200 to 5800 RPM
2525 HP (18,7 kw) 3535 HP (26,1 kw)
5500 RPM See Page 1-33 OMC PI 434505
254200 355000
25R3; 35R3151 Ibs(68,9 kg) 25RL3; 35RL3156 Ibs(71,2 kg) 25TEL3; 35TEL3159 Ibs(72,6 kg) 35EL3160 Ibs(73 kg) 25PL3; 35PL3170 Ibs(77 kg)
Powerhead
Type Displacement Bore Stroke Standard BoreCrankshaft Dimensions: Top Journal Center Journals Bottom Journal Rod Crankpin Piston Diameter, Standard Piston Ring End Gap, Both