Service Manual

9-22
Table of Contents
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
ENGINE ASSEMBLY
Assemble Upper End (Cont.)
Cylinder Heads (Cont.)
7. Adjust valve clearance (Figure 22):
- Rotate engine until piston is at TDC (top dead center) on compression stroke.
- Rotate the rocker to t the short end over push-rod.
- Using a feeler gauge between the valve stem and the rocker, tighten the pivot nut to obtain proper clearance.
NOTE: Be careful to not open valve while adjusting pivot nut.
Valve Clearance (cold) - Intake 0.004-0.006 in. (0.10-0.15 mm)
Valve Clearance (cold) - Exhaust 0.006-0.008 in. (0.15-0.20 mm)
8. While holding pivot nut, tighten lock nut.
9. Torque the lock nut to 124 in-lbs. (14 Nm).
10. Repeat for other valve.
11. Install the new valve cover gasket.
12. Install the valve cover with four mounting bolts.
Figure 22