Small Engine Specs

Specifications for small engines used on a variety of outdoor power equipment

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Briggs & Stratton Intake and Exhaust Valve Clearances

Model SeriesEngine TypeIntake Valve Clearance ( in. )Exhaust Valve Clearance ( in. )
60000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .007 / .009
80000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .007 / .009
90000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .007 / .009
10A000 Thru 10M000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .007 / .009
110000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .007 / .009
120000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .007 / .009
130000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .009 / .011
170000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .009 / .011
171700 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .009 / .011
190000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .009 / .011
191700 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .009 / .011
220000, 250000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .009 / .011
280000 L-Head Aluminum/Cast Sleeve Single Cylinder .005 / .007 .009 / .011
230000 L-Head Cast Iron Single Cylinder .007 / .009 .017 / .019
240000 L-Head Cast Iron Single Cylinder .007 / .009 .017 / .019
320000 L-Head Cast Iron Single Cylinder .007 / .009 .017 / .019
400000, 420000, 460000 L-Head Opposed Twin Cylinder .004 / .006 .007 / .009
50000 OHV Single Cylinder .004 / .008 .004 / .008
85400 OHV Single Cylinder .002 / .004 .002 / .004
97700, 99700 OHV Single Cylinder .005 / .007 .005 / .007
115400, 117400, 118400 OHV Single Cylinder .002 / .004 .002 / .004
120000 Horizontal Shaft OHV Single Cylinder .004 / .006 .009 / .011
120000 Vertical Shaft OHV Single Cylinder .004 / .006 .004 / .006
138400 OHV Single Cylinder .002 / .004 .002 / .004
185400 OHV Single Cylinder .002 / .004 .002 / .004
200000 OHV Single Cylinder .004 / .006 .004 / .006
210000 Horizontal Shaft OHV Single Cylinder .004 / .006 .004 / .006
210000 Vertical Shaft OHV Single Cylinder .004 / .006 .004 / .006
235400, 245400 OHV Single Cylinder .004 / .006 .004 / .006
280000 OHV Single Cylinder .003 / .005 .005 / .007
310000 OHV Single Cylinder .003 / .005 .005 / .007
290000, 294000, 303000 OHV Twin Cylinder .004 / .006 .004 / .006
350000 OHV Twin Cylinder .004 / .006 .004 / .006
380000 OHV Twin Cylinder .004 / .006 .004 / .006
405000 OHV Twin Cylinder .004 / .006 .004 / .006
445000 OHV Twin Cylinder .004 / .006 .004 / .006
540000 OHV Twin Cylinder .004 / .006 .004 / .006