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Dominick
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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I have a 2006 Mercury 9.9 kicker that won't run a med speed

Customer Question

I have a 2006 Mercury 9.9 kicker that won't run a med speed idles at low speed but when I try to troll at 1.5 mph it speeds up to fast then when I try to slow it down it stalls
Submitted: 7 months ago.
Category: Boat
Expert:  Charles replied 7 months ago.
Hello, my name is***** will assist you.Would you please post the serial number of the engine?Was the replacement carb, new or used?
Customer: replied 7 months ago.
It was a new carb. Serial number oro64273
Expert:  Charles replied 7 months ago.
Thanks, ***** ***** motor been sitting some time unused?How do the spark plugs look?How old is your fuel?
Customer: replied 7 months ago.
New plugs fresh gas
Expert:  Charles replied 7 months ago.
When was the carb installed?
Customer: replied 7 months ago.
Last week
Expert:  Charles replied 7 months ago.
Thanks, ***** ***** inspect the thermostat on the engine?
Customer: replied 7 months ago.
Had that check also runs great on low idle and run good on high
Expert:  Charles replied 7 months ago.
Do you know the compression numbers on the engine?
Customer: replied 7 months ago.
No
Expert:  Charles replied 7 months ago.
Will need to know those numbers to be able to continue. If the motor is damaged, nothing that I can tell you to do will make it tun correctly.
Customer: replied 7 months ago.
It will be a day till I get it
Expert:  Charles replied 7 months ago.
That is fine, there are no time limits here. Make sure that you have the throttle at wide open when you do the test.
Customer: replied 7 months ago.
upper 130 lower had 125
Expert:  Charles replied 7 months ago.
does the motor only do this when first started for the day, or will it continue to stall even when warm?

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