1988 "CC" Colt / Junior thru 8 Models Service Manual, P/N 507659, Page 74Get this manual
Trouble Check Chart (Cont TROUBLE 5POOR PERFORMANCE ON BOAT POSSIBLE CAUSE AMOTOR ADJUSTMENTS Incorrect Propeller Mounts looseloss of rubber bond Incorrect tri angl Remote controls incorrectly adjusted BVENTILATION Protruding hull attachments Keel too long Bent propel Ier (vi bration) Transom too high CBOAT Improper load distribution Mari ne growth on bottom Added weight (water absorption) Hook in bottom Catamaran (si ngl engi ne)venturi effect DCARBURETORSee Section High speed jets plugged Idle pick-up tube not touching front edge of high speed nozzle venturi ACONTROL BOX AND CABLE CONNECTIONSSee Se ction Control box andor P0werhead connections BGEARCASE See Section Incorrect lubricant (OMC HI-VIS Gearcase Lube only) Faulty adjustment Shift rod connector misadjusted Low oil level Shifter dog or spring damaged 7ALTERNATOR WILL NOT OPERATE (vVeak or under charged battery) AALTERNATOR SYSTEMSee Section Faulty wiring Rectifier diodes damaged Shorted or open stator windings Regu Iator damaged ASTARTING CIRCUITSee Section Weak or shorted battery Loose or corroded battery connections Throttl advanced too far Gear shift not in neutral Defective neutral start switch Defective key switch Jammed starter drive Damaged starter drive parts Wrong rotation (Bosch) brushes in wrong Worn brushes (stuck brush) Broken brush spri ngs Open circuit in solenoid Burned commutator Broken field terminal Shorted or open windingsarmature or field 20 AMPFuse blown BEXCESSIVE STARTER CURRENT DRAWSee Section Worn or dry armature shaft bearings Excessive friction in engine Brushes not seating Dirty or corroded commutator Loose pole pieces Bearing heads buckled