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  #1  
Old 08-15-2010, 06:46 PM
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5 HP Briggs engine problem, carb?

Have a rototiller with this engine:

http://www.briggsandstratton.com/maint_repair/manual_and_more/docmanualdetails.aspx?showpdf=MS6817_LO.pdf

Carb is on page 5 and is a 697028.

I drained the old gas and put in fresh. I cleaned the carb, dropped bowl, sprayed gumout through everything. It will run fine as long as you spray starter spray into it. So I assume that means the spark is OK.

Gas runs out of hose when valve/petcock opened. Bowl has gas in it.

Is this definitely a carb problem? New one is 50.00. Any ideas?

Thanks

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #2  
Old 08-15-2010, 06:50 PM
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Quote:
Originally Posted by mpolli View Post
Have a rototiller with this engine:

http://www.briggsandstratton.com/maint_repair/manual_and_more/docmanualdetails.aspx?showpdf=MS6817_LO.pdf

Carb is on page 5 and is a 697028.

I drained the old gas and put in fresh. I cleaned the carb, dropped bowl, sprayed gumout through everything. It will run fine as long as you spray starter spray into it. So I assume that means the spark is OK.

Gas runs out of hose when valve/petcock opened. Bowl has gas in it.

Is this definitely a carb problem? New one is 50.00. Any ideas?

Thanks

I would change the spark plug and air filter before a new carb, youll need them either way
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  #3  
Old 08-15-2010, 06:54 PM
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Pull the jet out and clean it. It's plugged up. No need for a new carb.
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  #4  
Old 08-15-2010, 06:55 PM
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Quote:
Originally Posted by kerry View Post
Pull the jet out and clean it. It's plugged up. No need for a new carb.
x2, its just about finding the clog and getting rid of it
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  #5  
Old 08-15-2010, 08:07 PM
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The part they label as the jet is the screw/plug that holds the bowl on. It is as clean as a whistle. I sprayed all the little passages I think.
__________________
1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #6  
Old 08-15-2010, 08:17 PM
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Take the carb off and spray it with carb cleaner, also double check that all 3 holes in the Jet bolt are completely clear, also check that your float, Needle and seat move properly
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  #7  
Old 08-15-2010, 08:29 PM
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Float and needle move good. As I recall there were two holes in the middle where the jet/plug screws in and at least one more in another location. The two in the middle, one was bigger than the other. I feel like I had them cleared but not sure. So you all think this is definitely a carb symptom? Is there some definitive test to make sure they are all clear. This is an Intek engine.
__________________
1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #8  
Old 08-15-2010, 08:35 PM
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Part number 633 is the jet I think. Did you take it out and clean it?
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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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  #9  
Old 08-15-2010, 08:56 PM
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The jet is 117. 633 is a foam shaft seal. 117 is very clean. Pretty big holes in that one.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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