| Author |
Message |
    
Donald MacRosite
New member
Username: bigmac
Post Number: 2
Registered: 11-2009
| | Posted on Thursday, November 19, 2009 - 09:09 am: | 
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My 94 200 HP merc runs great at high speed but terrible at low or idle speed any thoughts. |
Lee Roeder
Advanced Member
Username: roederll
Post Number: 200
Registered: 04-2008
| | Posted on Thursday, November 19, 2009 - 04:17 pm: |
|
Sounds like you have a gummed up idle jet on your carb. May be time to rebuild or run seafoam thru it. |
jamie campbell
Advanced Member
Username: outboard_doctor
Post Number: 760
Registered: 02-2009
| | Posted on Friday, November 20, 2009 - 03:37 am: |
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It could be a carby problem however your motor will not idle properly if the engine doesnt get to operating temp. The thermostats should be checked and the poppet valve |
JUST-IN-TIME
Senior Member
Username: justintime
Post Number: 7125
Registered: 09-2006
| | Posted on Friday, November 20, 2009 - 04:33 am: |
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is this efi? |
Donald MacRosite
New member
Username: bigmac
Post Number: 3
Registered: 11-2009
| | Posted on Wednesday, December 02, 2009 - 07:50 am: |
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Cleaned carbs, compression is 110-115 all six cylinders,good spark runs a little better but still seems like it has a bad miss. any other suggestions?
Thanks,
Bigmac |
JUST-IN-TIME
Senior Member
Username: justintime
Post Number: 7213
Registered: 09-2006
| | Posted on Wednesday, December 02, 2009 - 11:41 am: |
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still have dirty carbs |
jamie campbell
Advanced Member
Username: outboard_doctor
Post Number: 811
Registered: 02-2009
| | Posted on Friday, December 04, 2009 - 02:29 am: |
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Did you do yhe thermo's and poppet valve? your motor will not idle correctly unless it gets to operating temp |
