1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 251Get this manual
Charging System Check Chart
Where to Look
Procedure
Reference
Battery
1Battery defective or worn out 2Low electrolyte level 3Terminal connections loose or corroded 4Excessive electrical load 1Connections loose or corroded 2Stator leads shorted or grounded 3Circuit wiring grounded 1Damaged stator windings 2Weak flywheel magnets 3Damaged stator leads
1Check condition and charge 2Add water and recharge 3Clean and tighten 4Evaluate accessory loads 1Clean and tighten 2Perform ohmmeter tests 3Perform ohmmeter tests 1Perform ohmmeter tests 2Perform running output tests 3Perform ohmmeter tests 1Perform variable load tests