Kubota GR1600EC2, Workshop Manual, Page: 72 / 241

1-S5
GR1600EC2, WSM ENGINE
ENGINE BODY (Continued)
W1013874
Item Factory Specification Allowable Limit
Tappet to Tappet Guide Oil Clearance 0.016 to 0.052 mm
0.00063 to 0.00205 in.
0.10 mm
0.0039 in.
Tappet
(O.D.) 17.966 to 17.984 mm
0.70732 to 0.70803 in.
–
Tappet Guide Bore
(I.D.) 18.000 to 18.018 mm
0.70866 to 0.70937 in.
–
Timing Gear Idle Gear to Crank
Gear
(Backlash) 0.043 to 0.124 mm
0.00169 to 0.00488 in.
0.15 mm
0.0059 in.
Idle Gear to Cam
Gear
(Backlash) 0.047 to 0.123 mm
0.00185 to 0.00484 in.
0.15 mm
0.0059 in.
Idle Gear to
Injection Pump
Gear
(Backlash) 0.046 to 0.124 mm
0.00181 to 0.00488 in.
0.15 mm
0.0059 in.
Oil Pump Drive
Gear to Crank
Gear
(Backlash) 0.041 to 0.123 mm
0.00161 to 0.00484 in.
0.15 mm
0.0059 in.
Idle Gear Side Clearance 0.20 to 0.51 mm
0.0079 to 0.0201 in.
0.80 mm
0.0315 in.
Camshaft Side Clearance 0.15 to 0.31 mm
0.0059 to 0.0122 in.
0.50 mm
0.0197 in.
Alignment – 0.01 mm
0.0004 in.
Cam Height
(Intake and
Exhaust) 26.88 mm
1.0583 in.
26.83 mm
1.0563 in.
Camshaft Journal to Cylinder Block Bore Oil Clearance 0.050 to 0.091 mm
0.00197 to 0.00358 in.
0.15 mm
0.0059 in.
Camshaft Journal
(O.D.) 32.934 to 32.950 mm
1.29661 to 1.29724 in.
–
Cylinder Block
Bore
(I.D.) 33.000 to 33.025 mm
1.29921 to 1.30020 in.
–
Idle Gear Shaft to Idle Gear Bushing Oil Clearance 0.020 to 0.084 mm
0.00079 to 0.00331 in.
0.10 mm
0.0039 in.
Idle Gear Shaft
(O.D.) 19.967 to 19.980 mm
0.78610 to 0.78661 in.
–
Idle Gear Bushing
(I.D.) 20.000 to 20.051 mm
0.78740 to 0.78941 in.
–
Piston Pin Bore I.D. 20.000 to 20.013 mm
0.78740 to 0.78791 in.
20.05 mm
0.7894 in.
KiSC issued 07, 2006 A