Service Manual

32
GTS 200
Compression
4. Loosen jam nut, Fig. 62.
1
2
3
Fig. 62 – Adjust Rocker Arm Clearance,
Early Style
1. Feeler gauge
2. Jam nut
3. Rocker arm screw
5. Using feeler gauges, check valve clearance. Clearance
should be as listed in T able No. 4, Page 32.
6. If not, adjust by turning rocker arm screw until correct
clearance is obtained, Fig. 63.
2
1
Fig. 63 – Adjusting V alve Clearance
1. Feeler gauge 2. Rocker arm screw
7. While holding screw , torque jam nut to 85 in. lbs.
(10.0Nm) and recheck clearance, Fig. 64. Recheck valve
clearances and readjust, if required.
1
Fig. 64 – Locking Jam Nut
1. Torque jam nut 85 in. lbs. (10Nm)
Install V alve Cover
1. Install valve cover with new gasket. Install four screws.
and tighten screws to torque listed in T able No. 5, Page 32,
in sequence shown in Fig. 65.
2. Install carburetor , exhaust manifold, air guides, shields and
other parts removed from cylinder head.
1
4
2
3
Fig. 65 – V alve Cover T orque Sequence
Specification T ables
Table No. 1
Valve Guide Reject Dimensions
Intake and Exhaust
Gauge or Dimension
Briggs & Stratton T ool #19122
.260”
(6.60mm)
Table No. 2
Rocker Arm Stud (Curretn Style) T orque
In. Lb. (Nm)
100
(11.0)
Table No. 3
Cylinder Head Screw T orque
In. Lb. (Nm)
210
210
(24.0)
Table No. 4
Valve Clearances
Intake Exhaust
.004–.008
(.10-.20mm)
.004–.008
(.10-.20mm)
Table No. 5
V alve Cover T orques
In. Lb. (Nm)
85
(10.0)