Kubota GR1600EU Workshop Manual page 98

GR1600EU, WSM
Valve Clearance
IMPORTANT
• The valve clearance must be checked and adjusted when
engine is cold.
1. Remove the cylinder head cover (1) and the glow plugs.
Remove the flywheel cover (4). [GR1600F, GR1600ID only]
2. Align the "1TC" mark (2) on the flywheel and alignment mark (3)
on the rear end plate so that the No. 1 piston comes to the
compression top dead center.
3. Check the following valve clearance marked with "" using a
thickness gauge.
[When No.1 piston is at the compression top dead center
position]
Cylinder No.
Intake valve
Exhaust valve
4. If the clearance is not within the factory specifications, adjust
with the adjusting screw.
5. Then turn the flywheel 6.28 rad (360 °), and align the "1TC"
mark (2) on the flywheel and alignment mark (3) on the rear end
plate so that the No. 1 piston comes to the overlap position.
6. Check the following valve clearance marked with "" using a
thickness gauge.
[When No. 1 piston is at the overlap position]
Cylinder No.
Intake valve
Exhaust valve
7. If the clearance is not within the factory specifications, adjust
with the adjusting screw.
Intake and exhaust valve
Factory specification
clearance (Cold)
NOTE
• The sequence of cylinder numbers is given as No. 1 and
No. 2 starting from the gear case side.
• After adjusting the valve clearance, secure the adjusting
screw with the lock nut.
(1) Cylinder Head Cover
(2) "1TC" Mark
(3) Alignment Mark
(4) Flywheel Cover
1-S12
ENGINE
No. 1 No. 2

 
No. 1 No. 2

0.145 to 0.185 mm
0.00571 to 0.00728 in.
A: Gear Case Side
9Y1210595ENS0006US0
KiSC issued 11, 2013 A