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Kawasaki twin 4 stroke fh580v valve clearance..only one nut on top of rocker arm, how to set clearance without locknut usually under top nut?

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Read in this. Different engine model but should be the same procedure.

Posted on May 22, 2010


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Whats valve clearance for john deere D130 ride on mower, vee twin motor

Bring number 1 piston to top dead center, the valve clearance for both the intake and exhaust is 0.005" cold, once the valve clearance is set tighten the lock nut for the rocker arm to 70 inch pounds.

Jan 10, 2017 | John Deere Garden

1 Answer

How do you adjust valves

Check valve clearance while the engine
is cold.

1. Turn crankshaft counterclockwise until
piston is at top dead center on the
compression stroke. This prevents the
compression release from holding the
valves open.
2. Insert a narrow screwdriver or rod into the
spark plug hole as a gauge, then slowly
turn crankshaft counterclockwise until the
piston has moved down the bore by 1/4"
3. Using a feeler gauge, adjust
rocker nut to obtain the clearance.
4. Hold rocker nut and tighten the rocker ball
setscrew to the torque valve.
5. Check clearance again and re-adjust, if
6. Repeat for other valve.
7. If twin cylinder repeat the above for the other cylinder.

NOTE: On some models, the nut and setscrew
are positioned above the push rod ends.

Mar 14, 2015 | Briggs & Stratton 31N707-3026-G5 500cc...

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MOVE EACH CYLINDER TO TOP DEAD CENTER OF COMPRESSION STROKE ( sorry caps on .) check that timing mark in timing cover hole is in line .remove adj cover per cylinder in alignment and adj valves according to mfg specs. to adj : under adj cover , loosen lock nut on top then loosen adj nut on btm @ top of valves . insert feeler gauge under rocker and adj ,this is tricky to say the least. usually takes several tries to get it right, keep trying the valves must be set right or major expenses can be expected to occur. intake and exhaust settings are different normally at least .005 .be sure to tighten locknut on top before checking if clearance is correct. holding the btm nut while turning the locking nut is the tricky part 4 me anyway. 2 valves per cyl. on most atv eng. adj all valves .start eng and listen to eng w/o reving up. any ticking noise and you get to start over. should be smooth idling and quiet. no popping or backfiring. smooth starting and off w/o run on. should not be performed unless you are familiar with the procedure. contact me or service center near you if not sure on procedure.correct adj. is slightly snug fit . valves making no noise when done .

Jul 12, 2014 | ATVs

1 Answer

Gererac 5500 XL with an EHF00945 11 HP engine What is the torque for the 4 head bolts?

Hi and welcome to FixYa, I am Kelly
I have tried going to the owner's manual and the parts listings


Part's listings

I even know the cylinder head has 4 bolts and the head part number is 21714
Yet nothing I have looked at tells me the actual engine number. With and actual engine Model Number I can answer your question without guessing which engine you have.

This appears to be a GN320 engine.
If that is the case... the torque is 44 Ft Lbs

Torque Pattern
Bottom left A
Upper right B
Bottom right C
Upper Left. D



Every 50 hours of operation, remove the rocker cover and

check the valve to rocker arm clearance.

When adjusting the clearance, the engine should be at room

temperature, and the piston should be at Top Dead Center

(TDC) of its compression stroke (both valves are closed). The
correct clearance is 0.05-0.1mm (0.002-0.004 in.).

Jam nuts 65-85 inch lbs

Thanks for choosing FixYa,

Aug 29, 2011 | Electrical Supplies

1 Answer

There is a tapping noise in the motor but its not knocking I think its a lifter it hasent lost any power and its really not getting worse I would like to know what the spec is for tighing down the lifter...

Depends on which engine you have. If you have

ADJUSTMENT Although it is sometimes possible to reuse an old cylinder head cover gasket, in most cases it makes more sense to purchase a new one before beginning the procedure. Some vehicles may require the use of silicone sealant either with or without a new cover gasket. For more details, please refer to the cylinder head cover procedures in Engine & Engine Overhaul of this repair guide and refer to the gasket manufacturer's instructions.

Z24i Engine
See Figures 1, 2 and 3
For the intake valves: 1-4-5-8 valve clearance is 0.012 in. (0.30mm). For the exhaust valves: 2-3-6-7 valve clearance is 0.012 in. (0.30mm). The pivot locknut torque specification is 12-16 ft. lbs. (16-22 Nm).

  1. The valves must be adjusted with the engine warm, so start the truck and run the engine until the needle on the temperature gauge reaches the middle setting. After the engine is warm, shut it off.
  2. Note the location of any wires and hoses which may interfere with cylinder head cover removal, disconnect them and move them to one side. Remove the bolts holding the cylinder head cover in place and remove the cover. Remember, the engine will be hot, so be careful!


Fig. Fig. 1: Check the valve clearance with a flat feeler gauge-Z24i engine


Fig. Fig. 2: Loosen the locknut and turn the adjusting screw to adjust the valve clearance-Z24i engine


Fig. Fig. 3: With the No. 1 piston at TDC, adjust the top set of valves FIRST; with the No. 4 piston at TDC, adjust the bottom set of valves SECOND-Z24i engine

  1. Rotate the crankshaft until the timing marks indicate that the No. 1 piston is at TDC of the compression stroke. If you're not sure of which stroke you're on, remove the No. 1 spark plug and hold your thumb over the hole. Pressure will be felt as the piston starts up on the compression stroke.
  2. Refer to the accompanying illustration (upper part), then check valves (1), (2), (4) and (6) using a flat bladed feeler gauge. The feeler gauge should pass between the valve stem end and the rocker arm screw with a very slight drag. Insert the feeler gauge straight, not at an angle.
  3. If the clearance is not within the specified value, loosen the rocker arm lock nut and turn the rocker arm screw to obtain the proper clearance. After correct clearance is obtained, tighten the locknut.
  4. Rotate the crankshaft until the timing marks indicate that the No. 4 piston is at TDC of the compression stroke. If you're not sure of which stroke you're on, remove the No. 4 spark plug and hold your thumb over the hole. Pressure will be felt as the piston starts up on the compression stroke.
  5. See the illustration (lower part), then check valves (3), (5), (7) and (8). Check and adjust valve clearance as necessary.
  6. Install the cylinder head cover gasket, the cover itself and any wires or hoses which were removed. Check the engine oil level.

KA24E, VG30i and VG30E Engines
See Figures 4 and 5
These models utilize hydraulic valve lifters. Periodic adjustment is neither necessary or possible. There is however a bleed down procedure that is necessary when the valve train has been disassembled.
  1. Remove the cylinder head cover.
  2. Check the lifters for proper operation by pushing hard on each lifter with fingertip pressure.
  3. If the valve lifter moves more than 0.04 in. (1mm), air may be inside it. Make sure the rocker arm is not on the cam lobe when making this check.
  4. Install the cylinder head cover.
  5. If there was air in the lifters, bleed the air by running the engine at 1000 rpm for 10 minutes.


Fig. Fig. 4: Cross-sectional view of an installed hydraulic valve lifter-4 cylinder engine


Fig. Fig. 5: Cross-sectional view of an installed hydraulic valve lifter-6 cylinder engine

Oct 29, 2010 | 1989 Nissan Hardbody King

1 Answer

How do you adjust the valves on the v twin model 407677

remove the valve covers and pull the spark plugs. so you can find the compression stroke. when you fill air coming out of the head. make the piston come all the way to top. watch rocker arms so that they the same hieght. use a filler gauge ( .005 ) put betwen the rocker arm and the valve. tighten rocker arms to the gauge. make sure you cheek again after tighting the rocker nuts

Jun 18, 2010 | Briggs & Stratton Briggs Stratton Intek V...

2 Answers

Need tappet setting .do you set tappets when motor is cold or hot and at what gap for gl1100 1981

Make sure you understand this completely...the engine must be COLD, overnight in the frozen wasteland cold. No short cuts here, let the bike cool for 24 hours to be on the safe side. Your adjustments are .004" for Intake and .005" for exhaust. Hope this helps.


Sep 16, 2009 | 1982 Honda GL 1100 Gold Wing

1 Answer


If that's a Briggs & Stratton engine, try this:

Valve adjustment for 28 and 31 Series B&S OHV engines done with engine cold.

The best thing to do is buy an Overhaul Manuel for this series of engine,
between $15 - $20..

Remove the valve cover. Remove the spark plug and turn the engine to TDC
(Top Dead Center). Now some people will say that there are 2 TDCs on 4
stroke engines. While the piston does come to top twice per combustion
cycle, the TDC referred to in all 4 stroke overhaul manuals, whether auto or
lawnmower, is when piston is at the top after compression stroke. Turn the
engine in the normal direction of rotation, watch the rocker arm action to
determine when the Intake Valve, the bottom valve, has just closed, use a screw driver in spark
plug hole to feel when piston is coming up and then at top. (A better idea
is a long pencil with an eraser, put the eraser end in spark plug hole) Per B&S
instructions, continue turning engine until the piston has receded ¼" down
past TDC. To do this, put a mark on screw driver (or pencil) ¼" above highest point
reached to tell when piston has receded ¼". You will need a torques head
screw driver bit for the locking screw on tappets. I would check to see that the Rocker Arm Studs are still tight in the head, they sometimes work loose.

The proper setting is Intake Valve - .003 - .005", Exhaust Valve - .005 -
.007". Use a flat feeler gauge between the Rocker Arm face and the Valve
Stem. These settings are critical as the Intake setting controls the operation of the Compression Release. I usually have to make 2 - 3 attempts before I am satisfied with the setting. When you think you have the proper clearance, take a hold of the Rocker Arm and move it by hand, side to side, etc, as much as you can and recheck the clearance
setting. The nut must be held while Locking Screw is torqued to 60 inch
lbs. I recheck the clearance setting again here. I would re-torque the head bolts while you are there.

I recommend removing and reversing the Intake Valve Push Rod when adjusting
the valves. If you remove the Aluminum Intake Valve Push Rod, you will see a
worn area down a little ways from the Rocker Arm end. This is from riding on
a fiber support rub block and the aluminum push rod will eventually bend or
break. Both ends are the same and reversing will prolong the life of the
push rod.

Note: IF you remove the push rod or any other rocker arm components, there
is a cap that sits on top of each valve stem, take care that you do not
dislodge and lose the cap. It is between this cap and the rocker arm that
you actually take your clearance reading but you will not notice there is a
cap normally. (Apparently, from the Overhaul Manual, ALL engines do not have
this cap)

Replace valve cover with new gasket, torque valve cover to 60 inch lbs.,
replace spark plug.

May 02, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

1 Answer

17 hp briggs hard to start and blows back through the breather

Hello rfrazierL

>>From your Description it Sounds like the Valves Require Adjusting.
>>The Following is a Basic File I made for Setting the Valve Clearances. Any Input is Appreciated.
>>**I Do Not Use the Setting Called for by the OEMs. I have Found that the Following Works Best.
>>Remove the Valve Cover (on the Dead Cylinder for Twin Cylinder Engines).
>>Check the Push Tubes and make Sure they are Not Bent.
>>Set the Cylinder you are Setting the Valves on to Top Dead Center on the Compression Stroke When Setting the Valve Clearance. Now Loosen the Valve Adjuster Lock and Using a Blade Style Feeler Gauge, Set the Intake Valve Clearance to .004in -.006in and the Exhaust to .006in - .008in. Loosen and Tighten the Rocker Arm and the Feeler Gauge is Placed Between the Rocker Arm and the Valve Top where the Rocker Arm Pushes on the Valve.
>>I have had Better Performance Out of the Mowers and Less Burnt Valves Using these Settings. Be Sure the Piston is at TDC on the Compression Stroke.**
>>If you Remove the Valve Cover and then Turn the Engine by Hand, you can Watch the Intake Valve Movement. When the Intake Valve Closes, the Piston will Just Starting the Compression/Power Stroke.
>>On Some Engines you can Us a Straightened Coat Hanger and Feel the Piston.
>>Be Careful and Don't Jam the Wire in the Cylinder. Usually the Piston will Push the Wire Out of the Spark Plug Hole with No Problems.



Apr 20, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

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