Briggs & Stratton
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Do you have Model Type Code of engine?? Should be stsmped on the cowling somewhere.
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Clearances differ for the two valves and typically range from . 002 – . 004″ to . 005 – .
To perform the procedure rotate the engine by hand, as soon as you see the exhaust valve begin to open adjust the intake valve. Once adjusted continue to rotate the engine until the intake valve opens entirely and just begins to close, now adjust your exhaust valve. That cylinder is now complete.
Position the dial indicator on the top of the exhaust-valve retainer and zero the dial indicator. Next depress the exhaust valve. Note the distance traveled. Now subtract the difference in the gasket thicknesses and you should have an accurate measurement of the piston-to-valve clearance.
Use a ring spanner to loosen the locknut and turn the screw clockwise to decrease the gap, and the opposite way to increase it. When the clearance is correct, hold the screw with a screwdriver while you tighten the locknut, then re-check the clearance. There may be a self-locking adjusting screw with no locknut.
To adjust the valve clearance, slacken the locknut with a ring spanner and screw the ball in or out of the rocker a tiny amount, checking the clearance betwixt valve and rocker with feeler gauges. Once it`s correct, tighten the locknut and check again.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
Hard hitting on compression stroke when starting
ANSWER : If its the 21 or 20 hp OHV single briggs. Adjust vales to .004. The cam also has a decompression that breaks, Causing hard start. So if valves are adjusted and u still have problem. “Could” be cam, remove bottom cover and inspect cam. new cam about 75 to 100 bucks.
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How do I remove and clean air filter? – Briggs & Stratton Lawn-Boy 10640 20-Inch 6.5 HP Gas Powered Lawn Mower
ANSWER : There should be a square of plastic on the side of the engine which is opposite of the muffler. It has a small hex head with a slot cut in it. Remove this plastic cover and the air cleaner should be inside of it.
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Wshat is the valve clearence for a 24 hp briggs and stratton engine model 446677 type 0470E1 code 050405yh
ANSWER : About a mm or .004″.
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Valve settings. Model 282H07 Type 0334 E105 401ZB engine. What are the intake and exhaust valve settings???
ANSWER : You will need the model and type numbers from your engine to find the correct clearance numbers
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Won’t crank over seems like to much compression ?
ANSWER : OHV? First try adjusting the valves too much clearance will the decompressor to not work. Now the decompressor can also fail but try the valve adjustment first.
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My 24hp Briggs and Stratton ohv engine has bent push rods on one side. The top valve can be pushed in but the bottom one will not push in. Is the valve stuck in the open position? If so how can it be fixed?
ANSWER : Unable to answer if valve opened or not but does sound like ur bottom valve is bent or piston made contact and bent it to fix need to remove head and replace valve also need to inspect piston face is not damaged from possible contact
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17 HP Briggs & Str lawn mower engine that is smoking a lot –
ANSWER : Compression test it can either rent or buy one should be over 90psi!!!
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Need the valve setting for the intake and ext. on a briggs and stratton motor engine model # 130202-1035-07 serial # 75020607
ANSWER : .005″-.007″ intake
.009″-.011″ exhaust
Set clearance when engine is cold.
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