Intake And Exhaust Valves; Clearance Adjustment - Ezgo 1600xd Repair Manual

5.7 INTAKE AND EXHAUST VALVES

5.7.1 CLEARANCE ADJUSTMENT

(A) Cooling fan
1. Remove the cylinder head cover.
2. Turn the flywheel and align the 1TC mark with the
timing mark of the rear end plate to position the
1st cylinder piston at the top dead center of its
compression cycle. (At this time, both valves of 1st
cylinder are closed to allow the gap between rocker
arms and valves and Ex. valve of 2nd cylinder and IN.
valve of 3rd cylinder are open, and moving at the same
time.)
3. Measure the clearance at the valves marked with
the table below with a feeler gauge.
3 2
Fly-
IN. EX. IN.
wheel
○ ○ ● ●
4. If the clearance is not within the factory specifi cations,
turn the adjusting screw to adjust.
After adjusting valve clearance, be sure to tighten the
lock nut of each valve securely.
3
-38
ENGINE - INSPECTION AND ADJUSTMENT
196W253B
A
196W254B
○ ○
in
1
Cooling
EX. IN. EX.
fan
○ ● ●
5. Turn the flywheel just one turn to position the 1st
cylinder piston at top dead center. (At this time, two
valves are in their over lap position without any gab
between rocker arms and valves.)
6. Measure the clearance at the valves marked with
the table below with a feeler gauge.
3 2
Fly-
IN. EX. IN.
wheel
● ○ ○
7. If the clearance is not within the factory specifi cations,
adjust.
After adjusting valve clearance, be sure to tighten the
lock nut of each valve securely.
Item
Valve clearance
●
in
1
Cooling
EX. IN. EX.
fan
● ○ ○
Factory spec.
0.15 mm
0.006 in.
SUUV-W00 Apr. 2011