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10-Hour Break-in Period

Inboard Models

IMPORTANT: The first 10 hours of operation id the engine break - in period. Correct break - in is essential to obtain minimum oil consumption and maximum engine performance. DURING THE BREAK - IN PERIOD, THE FOLLOWING RULES MUST BE OBSERVED

  • Do not operate below 1500 RPM for extended periods of time for first 10 hours. Shift into gear as soon as possible after starting and advance throttle above 1500 RPM if conditions permit safe operation.
  • Do not operate at one speed consistently for extended periods.
  • Do not exceed 3/4 throttle during first 10 hours. during next 10 hours, occasional operation at full throttle is permissible (5 minutes at a time maximum.)
  • AVOID FULL THROTTLE ACCELERATION FROM IDLE SPEED.
  • Do not operate at full throttle until engine reaches normal operating temperature.
  • Frequently check crankcase oil level. Add oil if needed. It is normal for oil consumption to be high during break-in period.

AFTER 10-HOUR BREAK-IN PERIOD, DRAIN CRANKCASE OIL AND REPLACE OIL FILTER (SEE MAINTENANCE). FILL CRANK-CASE WITH CORRECT OIL (SEE SPECIFICATIONS). MANUFACTURER RECOMMENDS: CASTROL 20-50 MOTOR OIL.

OUTBOARD POWER PLANTS: REFER TO THE MANUFACTURERS OWNERS MANUAL (ENCLOSED IN YOUR ORIGINAL PURCHASE INFORMATION PACKET).

After first 10 hours of operation, an authorized weldcraft dealer should be contacted for the following maintenance. The boat owner is responsible for any charges.

  • Change crankcase oil and filter.
  • Hurth transmission (if so equipped) change filter.
  • Check all fluid levels.
  • COOLING SYSTEM - Insect all hoses for damage and deterioration; check all hose clamps for adequate tightness.
  • Check carburetor adjustment.
  • Inspect ignition system and timing.
  • Check for loose, missing or damaged parts.
  • Check shift and throttle cable adjustments - lubricate and inspect for loose, damaged or missing parts.
  • STEERING SYSTEM - Lubricate and inspect for loose, damaged or missing parts.
  • Inspect all drive belts.
  • Check engine alignment.
  • COMPLETE ENGINE EXHAUST SYSTEM - Inspect for damage and deterioration; check all hose clamps for adequate tightness.

Frequently Asked Questions

  • Trouble Shooting
    • High Water Temperature
    • Low Oil Pressure
    • Engine Will Not Turn Over
    • Engine Turns Off But Won't Start
    • Shifter Control Will Not Move
    • Steering Frozen
    • Fuel Gauge Not Working
    • Buzz Light Low Oil High Water Temperature
    • Engine Starts But Runs Rich
    • Engine Starts But Runs Rough
    • Engine Starts and Runs WIth Hesitation In Midrange
    • Engine Will Not Reach Top RPM
    • Volt Meter Reads Low Scale
    • Tachometer Reads Low Scale - Engine O.K.
    • Tachometer Sluggish or Inconsistent
    • Navigation Lights Don't Work
    • Bilge Blower Does Not Operate
  • Preparation
    • Education
    • U.S. Coast Guard Auxiliary
    • U.S. Power Squadron
    • Weather
    • Fueling
    • Boat Capacity
    • Boat Ramp Etiquette
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