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Heymow - Lawnmower Racing Forum
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Topic:
16hp single cyl smoking like crazy!
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Topic: 16hp single cyl smoking like crazy! (Read 3967 times)
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ef13
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16hp single cyl smoking like crazy!
«
on:
July 31, 2008, 01:01:30 pm »
I just picked this 16hp b&s single cyl engine up and it SMOKES real bad! Even worse at idle speeds. Runs Great! Just puts out a smoke screen. It is an overhead valve engine. Seems to smoke alot out of the crankcase breather tube too. Any ideas what this could be? Thanks in advanced!
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Eric Fairfield
IMOW #342
MP #342
Muskegon, MI
hack_job
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Re: 16hp single cyl smoking like crazy!
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Reply #1 on:
July 31, 2008, 01:35:40 pm »
Sounds like the rings are shot. Time for a rebuild!
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Checkers or Wrecker Racing
Understeer: when you hit the hay bale with the front of the mower.
Oversteer: when you hit the hay bale with the back of the mower.
Horsepower: how fast you hit the hay bale.
Torque: how far you take the hay bale with you.
amcchevy1
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Re: 16hp single cyl smoking like crazy!
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Reply #2 on:
July 31, 2008, 01:39:45 pm »
or at least a ring job and light hone.
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2007, 2008 amra member. modified flathead
2008-2010 arma member. sportsman
If you build it, it should fly.
take it out and let it eat...
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Old Goat
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Re: 16hp single cyl smoking like crazy!
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Reply #3 on:
July 31, 2008, 02:28:51 pm »
It more than likely has a blown head gasket. Single cyl. OHV Briggs are famous for that. There aint no head bolts between the combustion chamber and the pushrod gallery. When they blow out there the compression from the cylinder blows right into the crankcase. Make sure you check the head with a straight edge before you install a new head gasket.
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Jim Klauss
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George Herrin
aka SUPERMAN
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Re: 16hp single cyl smoking like crazy!
«
Reply #4 on:
July 31, 2008, 05:34:36 pm »
I am with Jim Head gasket
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George Herrin #6
Indian Power.. You gotta Go big to beat em or Go HOME
8 time ARMA National Champion
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Retired from BP
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My other racer is a 1/5th scale Dirt Late Model!!!!
amcchevy1
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Re: 16hp single cyl smoking like crazy!
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Reply #5 on:
July 31, 2008, 08:47:11 pm »
i should have said that.
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2007, 2008 amra member. modified flathead
2008-2010 arma member. sportsman
If you build it, it should fly.
take it out and let it eat...
www.GoLawnMowerRacing.com
www.alleghanymowerracingassociation.com
ef13
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Re: 16hp single cyl smoking like crazy!
«
Reply #6 on:
July 31, 2008, 11:50:59 pm »
Thanks for a the responces! Would you just change the head gasket or do a ring job also??
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Eric Fairfield
IMOW #342
MP #342
Muskegon, MI
amcchevy1
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Re: 16hp single cyl smoking like crazy!
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Reply #7 on:
August 01, 2008, 12:13:10 pm »
1 step at a time. pull the head, inspect the gasket, and while you're there look in the cylinder and see if you can see anything obvious.
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2007, 2008 amra member. modified flathead
2008-2010 arma member. sportsman
If you build it, it should fly.
take it out and let it eat...
www.GoLawnMowerRacing.com
www.alleghanymowerracingassociation.com
Tecken
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Re: 16hp single cyl smoking like crazy!
«
Reply #8 on:
August 04, 2008, 04:15:16 am »
Like these guys said, It'll be a blown head gasket. Most likely right in the valley. But be careful, I had an AVS engine, bought it in same condition, new head gasket and it wasn't an hour later the AVS flew apart.
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The Mighty Yardman
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Western Ontario Outlaws.
ef13
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Re: 16hp single cyl smoking like crazy!
«
Reply #9 on:
August 05, 2008, 11:58:47 pm »
Thanks guys for all of the help! I replaced the head gasket and the valve seal and poof, no more smoke! Runs great. Cylinder looked great, so I didn't even bother with the rings.
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Eric Fairfield
IMOW #342
MP #342
Muskegon, MI
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16hp single cyl smoking like crazy!
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