On a valve-in-block 8HP with an RJ19LM or equivalent plug, it is 0.030"
The correct valve clearence (lash, gap) for this engine is: intake & exhaust valve: 0.004" - 0.008" (0.1-0.2mm) These should be adjusted on a cold engine with the piston 1/4" (6mm) past top dead center.
Remove cylinder head, Remove valve side cover, Remove valve springs to free valves, Measure gap between end of valve and cam follower, while pushing valve onto seat with finger, To make gap larger, pull valve out and grind some metal from end with bench grinder, (carefull here), When gap is correct and valve seats without turning under finger, Reassemble.
0.030 is the gap for briggs and stratton 4.5 hp mower
The valves should adjusted to the following specifications: .005 - .007 in. for the intake valve and .009 - .011 in. for the exhaust valve. The valve gap is measured with the piston 1/4" past the TDC on the power stroke.
All the small Briggs engines seem to have a points gap of 0.02 inches
0.010-0.014" is the Briggs spec
The gap is 0.30. It is on the owners manual ? 10-28-08 That sounds like a spark plug gap. Other specs: Armature air gap: .008-.012 Valve/tappet: .004-.006 intake AND exhaust, cold.
The 14.5 hp ohv Briggs & Stratten engines require a 0.30 in gap
what is the valve gap for a 1999 Yamaha woverine
Plugs gap at 0.030" as a rule
.030 is the correct gap.