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Posted on Dec 17, 2016
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How do I lower a over raving 24hp over head valve briggs and Stratton motor

Put new governer gears in motor and new head gaskets as the heads were leaking.but did,nt change any thing else

2 Answers

Bill Boyd

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  • Cars & Trucks Master 53,816 Answers
  • Posted on Dec 18, 2016
Bill Boyd
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Joined: Jan 04, 2013
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Take the rod from the governor lever to carby off and see if you can move the governor lever freely or if it lees like it is not in the governor weights and cog groove
is the governor lever moving against the spring outside the crankcase
I suspect that you may not have put the lever end in the gear slot properly when reassembling the motor and the lever is not shutting the throttle plate as it should to stop over rpms
hopefully you did it right and it is the location on the lever on the shaft outside that requires repositioning

Testimonial: "thx Bill the gov rod moved and it help. I still got to use the throttle arm to keep it not over reving and to not stall. but I can work with that if you can"t help with that. thanks again Ed"

  • 4 more comments 
  • Bill Boyd Dec 19, 2016

    there should be a spring connected to the governor arm that is tensioned by the throttle cable so check that area as well

  • eburkett Dec 21, 2016

    there are 2 springs and I think I put them in the same way as b4. I ran it 2 clean the snow and it is starting 2 idle better, but I don't gauge 2 check the rpm so I use the throttle, I got 2 borrow some 1;s gauge 2 check it. so thanks Bill 4 now.

  • eburkett Dec 31, 2016

    my motor is revving at 3900 rpm and the spec. is 3650 rpm tops. if I shorten the gov, spring will that help or is there something else I can do.
    thx Ed

  • Bill Boyd Jan 01, 2017

    there should be a heavy spring attached to the governor arm
    the other end to a plate that turns to the throttle setting
    that way the governor has to react against the spring tension ans so pushes the throttle lever to the idle position
    as you want more power , the throttle cable attached to the plate moves the plate and so reduces the spring tension on the gov arm
    the arm reacts and pulls the throttle further open --more rpms and power
    the throttle cable is not connected directly to the gov arm but is used to alter the gov spring tension
    there should be a rod connecting the gov lever to the carby butterfly shaft
    by this method the engine rpms is controlled by the spring tension on the gov lever which you alter by the throttle cable position
    see if you can set it up like that
    any governor controlled engine will have a very similar set up so studying other motors will give an idea of what I am talking about

  • eburkett Jan 11, 2017

    what would the compression be on the motor?

  • Bill Boyd Jan 12, 2017

    same as any 4 stroke petrol engine 150.-165 psi anything under 125 is considered worn

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Nancy Nyambane

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  • Contributor 6 Answers
  • Posted on Jan 11, 2017
Nancy Nyambane
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Did you check the steering pump, AC compression pump, etc or other engine components ? it could be something other than the engine.

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5 Related Answers

Anonymous

  • 962 Answers
  • Posted on Nov 18, 2008

SOURCE: 1996 honda prelude oil leak

did you check the steering pump, AC compression pump, etc or other engine components ? it could be something other than the engine.

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Jonah Oneal

  • 14092 Answers
  • Posted on Mar 17, 2009

SOURCE: 1999 olds alero leaking coolant

problem could be heads bolts . i put new bolts in put a little sealer on them . make sure your bolt holes is clean free from debris. put a lillte sealer on intake gasket on top and bottom where coolants travel. if all was done . drain engine oil in clean container .set it aside. take radiator cap off .you a coolant pressure rise kit .put a pan under oil pan with drain plug still off .pressure your radiator about 10 psi. make sure you have antifreeze in radiator and engine . when you pressure up to 10 psi look under the car if coolant comes out oil pan. you got leaking head gasket. if not .put oil pan plug back on . put oil back in car . check your freeze plugs also.

Anonymous

  • 89 Answers
  • Posted on Nov 12, 2009

SOURCE: Head Gasket?? Valve cover Gasket???

the valve cover, requiring the removal of 4 to eight bolts, easy enough for the novice to remove and replace.
is the uppermost piece of the engine under all the hose's and wire's that run a muck. the head gasket on the other hand requires the removal of all that can be seen as you peer under the hood.if it is just an oil leak it should not require a head gasket .
my suggestion would be to use an engine degreaser
such as gunk or Castor oil brand follow there instructions.and then drive the vehicle 20 minutes or so and look for fresh oil to determine exactly where the leak is coming from

Anonymous

  • 1 Answer
  • Posted on Mar 04, 2010

SOURCE: nissan 300zx twin turbo, VG30DETT motor. coolant

if car has a oil cooler that uses coolant to lower oil temp. check that, if not you might want to get a coolant psi tester and try locating leak that way. but my expierence is that a head gasket problems cause this also if block was bored and machined that could also be the issue.

Testimonial: "good advice, pulled the head off and found that the gasket had ruptured towards the back"

JIMMY

  • 1374 Answers
  • Posted on Apr 19, 2010

SOURCE: leaking coolant from head gasket area and valve

Well the head gasket job will cover the valve cover gasket ( you have to do one to get to the other) Bring it to a repair shop its about a $1500 job.

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Briggs and Stratton 10 hp flathead seams to have too much compression to start easily

Could be the wrong gasket or the timing is out slightly. Also sometimes the exhaust ( muffler ) needs to be changed. Try taking it off , disconnect the spark plug wires and see if it turns easier. If so then your problem lies there.
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Doug, Torquing multiple bolts, like on a cylinder head are shown in last video link.Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
http://www4.briggsandstratton.com/miscpdfs/RNT/Engine%20Specifications%20Chart_ms3992.pdf
FAQ Small Engine Specifications Briggs Stratton Specs
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1994 nissan pu starter drags when engine is warm, new starter,new battery. new timing chain & gear, valve job,head gasket

1. Make sure all the high-current battery and starter connections are clean and shiny. Don't just wipe them off; get one of those battery terminal cleaners that scrapes off the top layer of oxidation. Use a wire brush on connections the battery cleaner doesn't fit. Remove each connection, clean it and put it back.

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THE PUSH RODS ON A 407577-0284E1 ARE BENT WHY?

I've had the same problem with the same engine. Found that the cause was a valve guide working its way out of the head and up the valve shaft. This prevented the valve from opening completely. Something had to give and it was the push rods that lost. I've tapped the valve guide back into the head and peened the aluminum around it. So far the valve guide has stayed in place. Check both push rods in that head. Both will usually bend or break when the above occurs.
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Its a 2000 cadillac deville the oil motor goes to the radiator what can I do

Engine oil going to radiator is a cylinder head problem.
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2. Cylinder head bolts not tight enough
3. Cylinder head cracked
4 Cylinder head warped.

Remove cyliner head and pressure test it for cracks. If cracked replace unless someone near you can repair effectively. If not then skim and you might as well do a complete cylinder head service ie valves, stem seals etc. Put back head with new gasket and torque correctly and be surprised with the results.
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Should i buy a new engine?

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HOW DO I REPLACE THE HEAD GASKET ON A 1993 PASEO?

you have to take the top part of the motor off to get to the head gasket. all the way down to the heads.
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Head gasket

You can do a search on Google for "240SX owner's forum" and some enthusiast forums will likely show up. They'll probably have illustrated tech procedures posted by members who have done it. It's a VERY involved job. You need to remove the entire timing assembly (timing belt, tensioner, etc) after you tear apart the front of the engine (and since you're taking it off, you should put on new timing parts, so plan for that), and after that's off, the top of the motor (spark wires, fuel rail, etc) has to come off, along with the valve cover, so you can remove the head. You'll need the new head gasket of course, and new head studs/bolts as well, plus a new valve cover gasket and possibly several other gaskets as well. You will also need to find the torque specs for each of those bolts, and the proper tighten/loosen/retighten procedure for the head bolts (which will likely be listed in a tech procedure on one of the forums).

That's it in a nutshell - it's not for the faint of heart by any means.
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