Linhai HY740STL 2018 Service Manual page 39

CHAPTER 3 ENGINE
M750L SERVICE MANUAL 18.0
7. Adjust
⚫Valve clearance
Adjustment steps:
⚫Loosen the locknut 
⚫Turn the adjuster○,
in or out with a flat tip
2
screwdriver ○,
until specified clearance is
3
obtained.
Turning in → Valve clearance is decreased
Turning out → Valve clearance is increased
⚫Hold the adjuster to prevent it from moving
and tighten the locknut.
⚫Measure the valve clearance.
⚫If the clearance is incorrect, repeat above
steps until specified clearance is obtained.
8. Install:
⚫Valve cover (intake side) 
⚫ Valve cover gasket  NEW
9. Install:
⚫Valve cover (exhaust side) ○,
4
⚫ Valve cover gasket ○,
NEW
3
10. Install:
⚫Water Pump
⚫ Observed Cover
⚫CVT cover
⚫Spark plug
CHAPTER 3 ENGINE PAGE 3- 8