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No adjustment left to adjust valves on a 19.5 briggs

After I set piston to tdc and back a 1/4 inch I try to adjusted the valves correctly and don't have enough adjustment left

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Posted on Jan 02, 2017

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SOURCE: need valve adjustment for a for a briggs and straton 31p777-0348-

Try .003-.005 on the intake, .005-.007 on the exhaust.

Posted on Apr 23, 2009

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SOURCE: Briggs and Stratton OHV V-Twin 24hp repetitive valve adjustment

Try pulling out the choke a little, if it stops backfiring the mixture is too lean, check the intake
pipes at the cyl head and also the plastic runners to the carb for leaks.
Dennis in Chicago

Posted on May 15, 2009

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How to set Valve clearence in Mitsubish Lance 1987 Engin model G15B


When Piston 1 is at TDC, (timing points inline), both valves are closed and there should be a gap, say 12 thou on exhaust and 8 thou on inlet. Turn the engine until Piston 2 is at TDC, (both valves closed as with number 1) and adjust, keep going until all pistons have had the clearance set.

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Valve clearance on suzuki vitara 1999 1.6


  • Set the engine to Top Dead Centre (TDC) of the compression stroke for the cylinder to be adjusted.
  • Check the valve clearance. The valve clearance specifications are as follows:

    Intake valves: 0.005-0.007 inches (0.13-0.17mm) Exhaust valves: 0.005-0.007 inches (0.13-0.17mm)
  • After adjustment, tighten the lock nuts to 11-14 ft. lbs. (15-19 Nm).
  • Repeat for each valve to be adjusted.
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    I have a 21 hp Briggs and Stratton model #331877, what are the valve settings?


    Intake 003 - .005
    Exhaust .005 - .007

    Adjusted with the piston 1/4" past TDC of compression stroke for each cylinder.

    Apr 10, 2015 | Craftsman Garden

    1 Answer

    What is the valve setting for 2004 18.5 HP briggs & stration intek ohv engine?


    31C700 engine? (model number)

    This is pretty generac for all of their engines as a general rule 0.004 - 0.006

    From the service manual for the 31C700 engine:

    ADJUST VALVES


    1. Set No. 1 cylinder at 1/4" (6.4mm) past TDC, compression

    stroke.

    a. Adjust valves and check, Fig. 17.

    Valve Clearance (cold) IN and EX .005" (0.13 mm)

    b. Torque adjusting screws and jam nuts to 60 in. lbs.

    (7.0 Nm).

    2. Set No. 2 cylinder at TDC, compression stroke.
    a. Repeat for No. 2 cylinder.

    Thanks for choosing FixYa,
    Kelly

    Aug 24, 2011 | Craftsman Garden

    1 Answer

    I have a Craftsman mower powered by a Briggs and Stratton 775 platinum professional series with OHV. A couple of weeks after using my mower, I started it up and I heard a knocking sound I shut it off...


    There is the possibility that the valves need adjusting. As you probably know, if they are too far out of adjustment, starting will be difficult and there will be "runnability" issues. The Briggs OHV engines all have adjustable overhead valves. Just remove the little cover stamped OHV, careful with the thin gasket behind it and get a feeler gauge, possibly a Torx head driver and box wrench to do the job. Some of the set screws for the rocker arms have slotted heads maybe. The Briggs site has the instructions for this and ALL the specs on all their engines pertaining to valve clearance on intake and exhaust. Many of their OHV engines also incorporate a compression release feature which correct valve adjustment is critical for it's correct operation. If you need more help or links to the Briggs help (under FAQ), then post back.
    Most Briggs OHV engines are set at 1/4" past TDC on the power stroke. Many adjust them at TDC (with both valves closed), but for the sake of the compression release (works off the cam), Briggs specifies 1/4" below TDC on Power Stroke.

    Jun 05, 2011 | Craftsman 675 Series 190cc 22" Briggs ...

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    Need to adjust valves on 21hp briggs&stratton,set at tdc or?


    hi edmeyers70

    run engine to tdc compression stroke with plug out, and then set the piston 1/4 " past tdc on power stroke , then set the valve clearance at this piston position to ( off the top of my head about 0.003" inlet and 0.005" ex )

    think these engines are briggs ohv single vertical


    if you get model and type codes from your engine plate eg 351777-0112-e1

    write yours down

    here is web site

    www.briggsandstratton.com

    also www.partstree,com
    go to briggs engine brand , select your engine series and then type code
    parts diagrams will open up

    cheers pauly46

    May 20, 2011 | Garden

    1 Answer

    I have a 2010 MTD Yard machine 21 inch snow thrower {123cc} and it broke a valve tappet bolt.I need to no were to set the intake and egzaust valves clearance.Thanks!


    I can give you Briggs and Stratton figures for valve clearances of an engine this size. You may have to experiment a little till it runs right. ...you can adjust the intake valve (when it is closed) while the exhaust is open and adjust the exhaust valve (when it is closed) while the intake is open if you can tell...or ya can adjust them when the piston is at TDC on compression stroke (both valves closed). Intake: .004"-.006" Exhaust .004"-.006" (Vertical crankshaft)....for horizontal crank .004"-.006" Intake.....Exhaust is .006"-.011" Hope this helps . Here is a briggs engine specs chart..can';t find the Chinese engine listed anywhere http://www.briggsandstratton.com/engines/support/frequently-asked-questions/~/media/71BB9DA0BD4D4C19A0DA611923A0B80A.ashx

    Jan 21, 2011 | Garden

    1 Answer

    I have a 24 hp briggs, model 445777, type


    I believe this does have comression release. Make sure you're rotating the motor in the correct direction, as I think the compression release only works in one direction. Adjust the valve to .004 with the piston at TDC make sure it's on the power stroke. Turn the motor till intake opens, then when you continue to rotate crank, unitl valve closes and piston gets back to TDC. Adjust both valves to .004. Then do the other cylinder the same way.

    Jul 21, 2010 | Briggs & Stratton Garden

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    Engine wont start


    go to youtube and type in valve adjustment on briggs,very simple procedure to do.

    Apr 23, 2010 | Briggs & Stratton 66set Panzer Tractor...

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    How to adjust valves on briggs and stratton 17.5 h.p. troy bilt lawn tractor


    Remove spark plug
    Remove cover from engine that covers the flywheel
    Remove rockerarm cover or valve cover
    Find TDC (top dead center) by rotating the flywheel by hand and your finger over the spark plug hole as you rotate the flywheel you will feel pressure against you finger at some point then stop.
    This is the compression stroke it is called now find a long slim round piece of plastic or plastic ink pen to stick in the spark plug hole (If you are careful a slim screwdriver can be used ) and find the piston top, then slowly rotate flywheel again (cw) as the piston is moving up pushing the plastic up as you rotate the flywheel slowly.
    a max. piston up or tdc as you turn you will feel and then the piston starts to go the other way,at that transition this is tdc (piston is on top of stroke) leave it there,,both valves should be closed at that point.
    Have a feeler gauge and set the exhaust valve at a loose .002 and the intake a loose .004 be sure engine is cold when valves are adjusted
    Feeler gauge goes in between the rocker arm tip and valve stem top for each valve setting.
    Note the rocker adjustment at the push rod side of each valve by tightening and loosening to make adjustments,lock your adjustments in place and rotate flywheel a few times and recheck settings

    Sep 20, 2009 | Briggs & Stratton Garden

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