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