| Author |
Message |
    
Frank Marando
New member
Username: fmarando
Post Number: 1
Registered: 07-2009
| | Posted on Tuesday, July 28, 2009 - 11:33 am: | 
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Motor starts and idles fine. When I try to accelerate it stalls unless I hit the choke. Then it will take off and run fine. The powerhead is rebuilt. I have rebuilt and cleaned the carbs. Do I need to increase the size of the main jet orifices? If so how much? |
jwbmarine
Senior Member
Username: jwbmarine
Post Number: 4750
Registered: 11-2005
| | Posted on Wednesday, July 29, 2009 - 07:39 am: |
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i would say,u may still have carb prob's,or a partial blockage... |
Frank Marando
New member
Username: fmarando
Post Number: 2
Registered: 07-2009
| | Posted on Wednesday, July 29, 2009 - 08:58 am: |
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I have already taken the carbs apart, cleaned everything. Soaked and blew out all the passageways. Replaced all gaskets, needle and seat. Removed, and cleaned main jet orifices. I just remember reading somewhere that when you rebuild a powerhead and bore cylinders oversize you may need to increase the main jet size. I can't find the place where I read it. It just doesn't seem to get enough gas to accelerate when I initially put the boat in gear. Hitting the choke squirts enough gas in to get the thing going and then once I'm moving it is no longer starving for gas. |
Frank Marando
New member
Username: fmarando
Post Number: 3
Registered: 07-2009
| | Posted on Thursday, July 30, 2009 - 04:23 pm: |
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Just bumping this back up to the top. |
jwbmarine
Senior Member
Username: jwbmarine
Post Number: 4758
Registered: 11-2005
| | Posted on Thursday, July 30, 2009 - 08:59 pm: |
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i have rebuilt many engines,using original hs jets....however,i have been better educated,over the yrs...i wouuld say,needing lgr jets,is not,ur prob,....may help,but would be masking an air lk,bad reed valve,etc... |
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