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  1. S

    1971 Larson GM 250 Inline 6 165 HP

    Ok thanks it’s my first blog attempt so may not be up to snuff like you all pros
  2. S

    1971 Larson GM 250 Inline 6 165 HP

    Well I don’t have big money for new boat , it’s fun when it runs I’ll get no help from your negative #&%,
  3. S

    1971 Larson GM 250 Inline 6 165 HP

    Well your sure negative, and the boat did have 1hr I’ll keep trying
  4. S

    1971 Larson GM 250 Inline 6 165 HP

    Only fresh water live in western Colorado we’re lacking for water !
  5. S

    1971 Larson GM 250 Inline 6 165 HP

    The straight 6 sold me on boat has factory carpet, I rewired and replaced gages also
  6. S

    1971 Larson GM 250 Inline 6 165 HP

    Easy, engine had only 1hour boat was in great shape, local marine shop put in engine ,Ran fine last year I put in new impeller no water so shop put in new impeller have a strong mechanical background put 2nd hose on stat housing still getting hot earlier pulled large hose off stat still had...
  7. S

    250cu, 165hp in-line 6 overheating !

    1977 silverline 17ft . Wants to stay at 153 degrees @crusing speed 3000 to 4000 rpm, idel reaches 195 . Changed impeller thermostat engine only has 35 hours , took hose off stat housing only pushing 2” of water at idle, put 2nd hose on stat still when to 153 degrees . Could water circulation...
  8. S

    1971 Larson GM 250 Inline 6 165 HP

    Also new boat owner, 1977 silverline with inline6 had only 1hour on engine ran last year overheating replaced impeller took off thermostat housing stat was in upside down. Still overheated
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