Service Manual

9-23
Table of Contents
Reassembly
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
ENGINE ASSEMBLY
Assemble Upper End (Cont.)
Cylinder Heads (Cont.)
13. Torque valve cover bolts to 89 in-lbs. (10 Nm) (Figure 23).
14. Set gap to 0.030 in. (0.7-0.8 mm) and install the new spark plug.
15. Torque the spark plug to 21 ft-lbs. (28.5 Nm).
NOTE: Repeat for the #2 cylinder head assembly.
Figure 23
A
B
C
D
Torque Sequence A-D:
First Pass 45 in-lbs. (5 Nm)
Final Torque 89 in-lbs. (10 Nm)