You are watching: Adjusting valves on 17 hp briggs and stratton

Briggs vertical room intake ~ above top. All of them. You watched the vids and turned the flywheel so they to be at the right position once you do the adjustments ??
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ILENGINELawn Pro
JoinedMay 6, 2010Threads26Messages8,025
Briggs single cylinder vertical OHV engine use a crossflow head, Which way the input is top top the bottom. If you are sure you have the valves readjusted correctly, then while transforming the flywheel slowly watch for the intake valve/ bottom to bump off seat slightly just prior to TDC compression. You could have a case where the flyweight ~ above the camshaft is broken and the compression release no much longer works, and will require replacing the camshaft.

Scrubcadet10Moderator
Staff member
JoinedSep 24, 2017Threads178Messages4,993
I constantly thought girlfriend were supposed to set them 4 to 4? I'm certain I'm not correct though, and do friend think it could be the compression relax on the cam? more thane most likely not, but sometimes the spring will come off and also the CR won't work... Yet it does sound favor something in the head/ valve mechanism.....:smile:ILENGINE, that shouldn't need replacing the whole cam, simply the comp. Release. The is riveted in on many engines. However in some instances people simply go ahead on placed a new cam in, it's a many simpler.
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ILENGINELawn Pro
JoinedMay 6, 2010Threads26Messages8,025
I walk 4 end the summer this year. In all instances the decompression device was in about 10 piece laying in the sump the the engine. On part engines the valve clearances are .004-.006 for both on rather it is .004-.006 because that intake and also .005-.007 because that exhaust. For this reason most human being will just say 5 and 5.Briggs doesn't normally offer simply the decompression mechanism as a instead of part.
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Tinkerer200Well-Known Member
JoinedMar 14, 2015Threads4Messages838
"ILENGINE, the shouldn't call for replacing the whole cam, simply the comp. Release. That is riveted in on most engines."Let me understand where to acquire the parts.Walt Conner