CHECK CHART
COMMON SPECIFICATIONS FOR ALL SINGLE CYLINDER OHV ENGINE MODELS EXCEPT INTEK MODELS
TORQUE SPECIFICATIONS
VALVE CLEARANCE
BASIC
MODEL
SERIES
OIL CAPACITY
Fl. Ozs.
(Liters)
ARMATURE
AIR GAP
INCHES
(mm)
FLYWHEEL NUT
FT. LBS.
(Nm)
CYLINDER
HEAD
IN. LBS.
(Nm)
CONN. ROD
IN. LBS.
(Nm)
CRANKCASE
COVER OR
SUMP
IN. LBS.
(Nm)
INTAKE
INCHES
(mm)
EXHAUST
INCHES
(mm)
85400
20
.012 - .020
45
220
90
175
.002 - .004
.002 - .004
(0.6L)
(0.31 - 0.51)
(61 Nm)
(25 Nm)
(10 Nm)
(20 Nm)
(0.05 - 0.10) (0.05 - 0.10)
97700
22
.006 - .012
60
160
100
85
.005 - .007
.005 - .007
99700
(0.65L)
(0.15 - 0.31)
(81 Nm)
(18 Nm)
(11 Nm)
(10 Nm)
(0.13 - 0.18) (0.13 - 0.18)
104700
24
.008 - .012
65
165
90
140
.005 - .007
.005 - .007
(0.7L)
(0.20 - 0.31)
(88 Nm)
(19 Nm)
(10 Nm)
(16 Nm)
(0.13 - 0.18) (0.13 - 0.18)
115400
24
.012 - .020
45
220
90
175
.002 - .004
.002 - .004
117400
(0.7L)
(0.31 - 0.51)
(61 Nm)
(25 Nm)
(10 Nm)
(20 Nm)
(0.05 - 0.10) (0.05 - 0.10)
138400
30
.012 - .020
45
230
90
190
.005 - .008
.005 - .008
(0.9L)
(0.31 - 0.51)
(61 Nm)
(26 Nm)
(10 Nm)
(22 Nm)
(0.13 - 0.20) (0.13 - 0.20)
161400
40
.008 - .012
65
165
200
250
.005 - .007
.005 - .007
A
(1.2L)
(0.20 - 0.31)
(88 Nm)
(19 Nm)
(23 Nm)
(28 Nm)
(0.13 - 0.18) (0.13 - 0.18)
L
185400
41
.012 - .020
60
300
175
175
.002 - .004
.002 - .004
U
(1.2L)
(0.31 - 0.51)
(81 Nm)
(34 Nm)
(20 Nm)
(20 Nm)
(0.05 - 0.10) (0.05 - 0.10)
M
235400
51
.008 - .012
60
35 Ft. Lbs.
175
175
.004 - .006
.004 - .006
I
245400
(1.5L)
(0.20 - 0.31)
(81 Nm)
(48 Nm)
(20 Nm)
(20 Nm)
(0.10 - 0.15) (0.10 - 0.15)
N
260700
*64 **72
.008 - .012
125
225
200
250
.003 - .005
.003 - .005
U
261700
(*1.9 **2.1)
(0.20 - 0.31)
(170 Nm)
(25 Nm)
(23 Nm)
(28 Nm)
(0.08 - 0.13) (0.08 - 0.13)
M
28N700
28P700
28Q700
See Sec. 9,
See Sec. 11,
28S700
48
.010 - .014
65
220
Page 10,
Page 27,
.003 - .005
.005 - .007
28U700
(1.4L)
(0.25 - 0.36)
(88 Nm)
(25 Nm)
Table No. 5
Table No. 9
(0.08 - 0.13) (0.13 - 0.18)
28W700
272147-3/99 272147-3/99
287700
310700
56
.010 - .014
100
220
150
210
.003 - .005
.005 - .007
312700
(1.4L)
(0.25 - 0.36)
(88 Nm)
(25 Nm)
(17 Nm)
(16 Nm)
(0.08 - 0.13) (0.13 - 0.18)
* Without Oil Filter
** With Oil Filter
For Briggs & Stratton Discount Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
CRANKSHAFT
JOURNAL REJECT SIZES
END PLAY
BASIC
MODEL
SERIES
STD. CYLINDER
BORE
INCHES
(mm)
STROKE
INCHES
(mm)
STD. CRANKPIN
JOURNAL
INCHES
(mm)
MAGNETO
INCHES
(mm)
CRANKPIN
INCHES
(mm)
PTO
INCHES
(mm)
All except
Threaded *
INCHES
(mm)
Threaded
only *
INCHES
(mm)
85400
2.441 - 2.442
1.653
1.0232 - 1.0236
Ball
1.0219
Ball
.001 - .008
.001 - .008
(62.00 - 62.03)
(38.86 mm) (25.989 - 25.999)
(25.98 mm)
(0.03 - 0.20) (0.03 - 0.20)
97700
2.5615 - 2.5625
1.740
1.1233 - 1.1241
0.873
1.122
1.060
.002 - .034
_
99700
(65.06 - 65.09)
(44.20 mm) (28.532 - 28.552) (22.17 mm) (28.50 mm)
(26.92 mm)
(0.05 - 0.86)
104700
2.5615 - 2.5625
1.940
1.2294 - 1.2300
1.179
1.228
1.179
.002 - .020
_
(65.06 - 65.09)
(49.28 mm) (31.227 - 31.242) (29.98 mm) (31.19 mm)
(29.95 mm)
(0.05 - 0.51)
115400
2.677 - 2.678
1.968
1.1805 - 1.1809
Ball
1.1793
Ball
.001 - .008
.001 - .008
117400
(68.00 - 68.02)
(49.99 mm) (29.985 - 29.995)
(29.98 mm)
(0.03 - 0.20) (0.03 - 0.20)
138400
2.8346 - 2.8354
2.0866
1.1805 - 1.1807
Ball
1.1803
Ball
.002 - .025
.002 - .025
(72.00 - 72.02)
(52.00 mm)
(29.98 - 29.99)
(29.98 mm)
(0.05 - 0.64) (0.05 - 0.64)
161400
2.999 - 3.000
2.330
1.4293 - 1.4301
Ball
1.427
Ball
.001 - .008
.001 - .008
A
(76.17 - 76.20)
(59.18 mm) (36.304 - 36.325)
(36.24 mm)
(0.03 - 0.20) (0.03 - 0.20)
L
185400
3.1496 - 3.1504
2.325
1.3383 - 1.3384
Ball
1.3368
Ball
.001 - .008
.001 - .008
U
(80.00 - 80.02)
(59.06 mm) (33.985 - 33.995)
(33.99 mm)
(0.03 - 0.20) (0.03 - 0.20)
M
235400
3.5039 - 3.5047
2.480
1.5348 - 1.5352
Ball
1.5346
Ball
.001 - .008
.001 - .008
I
245400
(89.00 - 89.02)
(63.00 mm) (38.984 - 38.994)
(38.98 mm)
(0.03 - 0.20) (0.03 - 0.20)
N
260700
3.4365 - 3.4375
2.860
1.6235 - 1.6243
1.622
1.622
1.622
.002 - .020
_
U
261700
(87.287 - 87.313)
(72.64 mm) (41.237 - 41.257) (41.20 mm) (41.20 mm)
(41.20 mm)
(0.05 - 0.51)
M
28N700
28P700
28Q700
28S700
3.4365 - 3.4375
3.062
1.2485 - 1.2493
1.376
1.247
1.376
.002 - .023
_
28U700
(87.29 - 87.31)
(77.78 mm) (31.712 - 31.732) (34.95 mm) (34.95 mm)
(34.95 mm)
(0.05 - 0.58)
28W700
287700
310700
3.4365 - 3.4375
3.062
1.4982 - 1.4990
1.376
1.497
1.376
.002 - .023
_
312700
(87.29 - 87.31)
(77.78 mm)
(38.054 - 38.075 (34.95 mm) (38.02 mm)
(34.95 mm)
(0.05 - 0.58)
* Any crankshaft used in a pump application, use threaded crankshaft end play specifications