Cylinder; Crankcase - Honda GX 690RH TXF7 Manual

SERVICE INFORMATION
MAINTENANCE STANDARDS
SERVICE INFORMATION
Part
Engine Maximum speed (at no load)
Idle speed
Cylinder compression

Cylinder

Sleeve I.D.
Piston Skirt O.D.
Piston-to-cylinder clearance
Piston pin bore I.D.
Piston pin Pin O.D.
Piston pin-to-piston pin bore clearance
Piston rings Ring side clearance
Ring end gap
Ring width
Connecting rod Small end I.D.
Big end I.D.
Big end oil clearance
Big end side clearance
Crankshaft Crank pin O.D.
Main journal O.D.
Thrust washer thickness

Crankcase

Camshaft bearing I.D.
Main journal I.D.
Crankshaft axial clearance
Crankcase cover Camshaft bearing I.D.
Main journal I.D.
2-2
Item
GX630: 3,850 ± 150 min
GX630R: 3,850 ± 150 min
GX660: 3,850 ± 150 min
GX660R: 3,850 ± 150 min
GX690: 3,850 ± 150 min
GX690R: 3,850 ± 150 min
1,400 ± 150 min
0.5 – 0.7 MPa
(5.09 – 7.14 kgf/cm
/ 500 min
78.000 – 78.015 (3.0709 – 3.0715)
77.985 – 77.995 (3.0703 – 3.0707)
0.005 – 0.030 (0.0002 – 0.0012)
18.002 – 18.008 (0.7087 – 0.7090)
17.994 – 18.000 (0.7084 – 0.7087)
0.002 – 0.014 (0.0001 – 0.0006)
Top 0.050 – 0.080 (0.0020 – 0.0031)
Second 0.050 – 0.080 (0.0020 – 0.0031)
Top 0.200 – 0.350 (0.0079 – 0.0138)
Second 0.200 – 0.350 (0.0079 – 0.0138)
Oil (side rail) 0.20 – 0.70 (0.008 – 0.028)
Top 1.140 – 1.155 (0.0449 – 0.0455)
Second 1.140 – 1.155 (0.0449 – 0.0455)
18.006 – 18.018 (0.7089 – 0.7094)
44.988 – 45.012 (1.7712 – 1.7721)
0.005 – 0.039 (0.0002 – 0.0015)
0.2 – 0.4 (0.008 – 0.016)
44.973 – 44.983 (1.7706 – 1.7710)
39.984 – 40.000 (1.5742 – 1.5748)
0.95 – 1.05 (0.037 – 0.041)
17.016 – 17.027 (0.6699 – 0.6704)
40.025 – 40.041 (1.5758 – 1.5764)
0.05 – 0.45 (0.002 – 0.018)
17.016 – 17.027 (0.6699 – 0.6704)
40.025 – 40.041 (1.5758 – 1.5764)
Standard
-1 (rpm)
-1 (rpm)
3,150 ± 150 min -1 (rpm)
(QYD, VEP4, VXF types only)
3,200 ± 150 min -1 (rpm)
(VXD8, VXE1 types only)
-1 (rpm)
-1 (rpm)
3,200 ± 150 min -1 (rpm)
(VXE1 type only)
-1 (rpm)
-1 (rpm)
3,200 ± 150 min -1 (rpm)
(VXE type only)
-1 (rpm)
2 , 73 – 102 psi)
-1 (rpm)
Unit: mm (in)
Service limit
–
–
–
78.150
(3.0768)
77.850
(3.0650)
0.10 (0.004)
18.042
(0.7103)
17.95
(0.707)
0.08 (0.003)
0.15 (0.006)
0.15 (0.006)
1.0 (0.04)
1.0 (0.04)
1.0 (0.04)
1.120
(0.0441)
1.120
(0.0441)
18.07
(0.711)
45.050
(1.7736)
0.070
(0.0028)
1.000
(0.0394)
44.920
(1.7685)
39.930
(1.5720)
0.8 (0.03)
17.06
(0.672)
40.06
(1.577)
1.0 (0.04)
17.06
(0.672)
40.06
(1.577)