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Valve tapping noitced valve tapping on 30 hp briggs while running after setting up @ 4months.will this go away,how to remedy ?

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Posted on Jan 02, 2017

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SOURCE: Briggs and Stratton 6.5 hp

The crankshaft should have a marked "tooth" either with a "dot" or a "-"mark, the camshaft will also have a corresponding dot or dash. By rotating the crankshaft, align the marks on the crankshaft & the camshaft so that they are directly opposite each other. Drop the camshaft into place and the engine is now "timed"--if the marks are not exactly opposite one another, lift the camshaft (just enough to disengage the gear teeth) and try again, being "one tooth" out can make a huge difference--so take your time and make sure the "marks" are directly opposite each other.

Posted on Aug 10, 2010

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Z4217 17 1/2 hp Briggs will only run when starting fluid is sprayed into the spark plug. Cleaned carb and fuel solenoid valve ok. Replace starter solenoid and ignition module no help. Any suggestions


fuel supply problem
check the tap for internal corrosion, blocked hose or float stuck in the closed position
check for blocked filter in the fuel tank at the end of the hose

Apr 01, 2017 | HP Garden

1 Answer

I have a briggs and Stratton 22 hp Intek V-twin engine on our Craftsman riding mower. After about 30 minutes of mowing the engine suddenly began to run rough, loud and out of sync.


my thought is the valves are out of adjustment. that is the popping you hear or backfiring. i think if you take off and clean the carburetor and set the valve lash it will probably run like a new one.

May 17, 2016 | Garden

3 Answers

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

Only getting oil in one side of valves ? 24 hp briggs, twin


clean all the passages i usually drain the oil and replace with diesel fuel run for 30 seconds drain and replace with oil sae30

Aug 31, 2012 | Briggs & Stratton Briggs Stratton Intek V...

2 Answers

11.5 hp briggs and stratton wont start


check the air gap on the coil and resistance of the lead.

Jul 17, 2012 | Briggs & Stratton Garden

1 Answer

1o h.p. generator, starts fine, runs good for short periods then kind of sputters, a single sputter, but every second or so and will run like that for hours, thought running would help, didn't.


I realize you have a 10 Hp Briggs engine. The symtom your describing is often caused by the valve lash gap being to narrow on the EXHAUST valve. You may have a 0.001 gap cold but when it warms up that gap is less and you get just a bit of compression blow by but not enough to impede power output. Over time it will usually get harder and harder to start. The remedy is to reset the valve tappet gap
Depending on what engine you have the GN series the gap for intake and exhaust is 0.002 with the flywheel directly at TDC.
Standard OHV Briggs are adjusted with the flywheel 1/4 inch past TDC to a gap of .004 - .006.
The Jam nuts are torqued 65 - 85 inch lbs

Non OHV engines L-head are adjusted .004 intake and .006 Exhaust at TDC by changing valve stem length with a grinder or replacing the valve if necessary.

If you still have the problem after doing the above... replace the spark Plug... (again even if yours is new) After spark plug replacement you still have the problem respond here and I will help you until this is resolved.

This could also be a case of the fuel mixture just a tad lean..

Thanks for choosing FixYa,
Kelly

Aug 29, 2011 | Briggs & Stratton Briggs Stratton 6200...

1 Answer

Craftsman 24 HP 42" mower...has always been hard


If it has the Briggs or Kohler engine, it has a built in compression release. If the release isn't working properly, it will be hard to start. It mimics a weak battery. One remedy to enable the compression release to work properly is to adjust the valves. They need to be adjusted periodically. Briggs has all the valve clearances for all their engines in an easy-to-use chart. I will give you valve service instructions and then the engine chart with all the valve clearances.

http://www.briggsandstratton.com/engines/support/frequently-asked-questions/Servicing%20the%20valves/

http://www.briggsandstratton.com/engines/support/frequently-asked-questions/Servicing%20the%20valves/~/media/71BB9DA0BD4D4C19A0DA611923A0B80A.ashx

May 14, 2011 | Craftsman Garden

1 Answer

VALVE ADJUSTMENT ON 13.5 HP BRIGGS AND STRATTON ENGINE


Need help I set the valves on my 13.5 Briggs and now it won't stay running unless I close off the airflow to the carburetor

Sep 20, 2010 | Parks Optical 13.5hp Briggs And Stratton...

1 Answer

16hp B&S ohv runs for 30min under load then stops 5min cool off starts runs 30 min new coil plug gas is venting adj valves


could be fuel vaporising.... re rout the fuel line away from heat sources this may help or the fuel is not getting to the carby fast enough....check fuel filter and lines for cleanness .

Jul 22, 2010 | Briggs & Stratton Briggs Stratton Intek V...

2 Answers

White Smoke comming out of Briggs and Stratton 21 HP V2 engine.


The white smoke may have been caused by having water in the fuel, or fuel tank [due to condensation or exposure to rain and snow]. It may have been that the mower got tipped for cleaning purposes, blade inspection, etc. and oil from the low lying oil pan got into the piston.

Either way, I recommend installing a brand new spark plug and new gasoline [you can purchase a little gas siphoning hose for a dollar or so at any auto parts store] If you have gasoline left over in a can from last year it is safe to use it in your car as it mixes with lots of new gas, but not in your small mower tank as it is basically outdated fuel.

May 19, 2009 | Briggs & Stratton Briggs Stratton Intek V...

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