My motor has a rattle when i crank it idling and when running. ser#0t555349, 200hp 2002 model. it just started the other day at the lake and i have looked all under the cowl and found nothing loose. however on a long run after about 15 minutes my over heat warning light and beeper came on so i backed off to half throttle and it cooled back off. is this an exhaust problem? if so how can i check it and or fix it? thanks in advance.
Sounds like it could be a loose exhaust tuner, drop the lower unit and use a flash light and a long screwdriver or rod to push it around to see if it’s loose. If loose you will need to remove powerhead to fix.
Mercury 2002 200hp Carbed Saltwater
OT566776
2002 Cape Horn 22' Bay
Was that a SOLID tone, or Four Beeps and a Pause (repeat)?
Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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