Honda UMK450T Manual page 10

62VL510X.book 2 ページ ２０１９年２月８日 金曜日 午後１時１１分
SERVICE INFORMATION
MAINTENANCE STANDARDS
SERVICE INFORMATION
ENGINE
Part
Engine Idle speed
Cylinder compression
Carburetor Main jet
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 width
Ring side
clearance
Ring end gap
Connecting rod Small end I.D.
Valves Valve
clearance
Valve stem
O.D.
Guide I.D.
Guide-to-stem
clearance
Valve spring free length
Cam pulley Cam height
Cam pulley I.D.
Cam pulley shaft O.D.
Cylinder barrel Cam pulley shaft installation port I.D.
Valve lifter installation port I.D.
Spark plug Gap
Ignition Coil Resistance
Air gap (at flywheel)
Clutch Lining thickness
2-2
Item
3,100 ± 200 min
1.03 MPa
(10.5 kgf/cm
2,000 min
U2TT/U2NT/ # 44
UTNT/UEDT type
U2ST type # 43
UEBT type # 46
43.000 – 43.015 (1.6929 – 1.6935)
42.970 – 42.990 (1.6917 – 1.6925)
0.010 – 0.045 (0.0004 – 0.0018)
9.002 – 9.012 (0.3544 – 0.3548)
8.994 – 9.000 (0.3541 – 0.3543)
0.002 – 0.018 (0.0001 – 0.0007)
Top/Second 0.970 – 0.990 (0.0382 – 0.0390)
Top/Second 0.015 – 0.056 (0.0006 – 0.0022)
Top/Second 0.15 – 0.30 (0.006 – 0.012)
Oil (side rail) 0.20 – 0.70 (0.008 – 0.028)
8.983 – 8.994 (0.3537 – 0.3541)
IN 0.08 ± 0.02
EX 0.11 ± 0.02
IN 3.470 – 3.485 (0.1366 – 0.1372)
EX 3.435 – 3.450 (0.1352 – 0.1358)
IN/EX 3.500 – 3.518 (0.1378 – 0.1385)
IN 0.015 – 0.048 (0.0006 – 0.0019)
EX 0.050 – 0.083 (0.0020 – 0.0033)
21.77 (0.857)
22.49 (0.885)
4.020 – 4.070 (0.1583 – 0.1602)
3.990 – 4.000 (0.1571 – 0.1575)
4.000 – 4.018 (0.1575 – 0.1582)
6.005 – 6.023 (0.2364 – 0.2371)
0.6 – 0.7 (0.024 – 0.028)
Primary coil 0.63 – 0.77 Ω
Secondary coil 5.4 – 6.6 kΩ
0.2 – 0.4 (0.008 – 0.016)
2.0 (0.008)
Standard
-1 (rpm)
2 , 149 psi) at
-1 (rpm)
43.100 (1.6968)
42.900 (1.6890)
0.120 (0.0047)
9.050 (0.3563)
8.950 (0.3524)
0.050 (0.0020)
0.920 (0.0362)
0.120 (0.0047)
0.60 (0.024)
1.0 (0.04)
3.400 (0.1339)
3.380 (0.1331)
3.560 (0.1402)
0.098 (0.0039)
0.120 (0.0047)
21.00 (0.827)
22.19 (0.874)
4.100 (0.1614)
3.950 (0.1555)
4.050 (0.1594)
6.050 (0.2382)
1.0 (0.004)
Unit: mm (in)
Service limit
–
–
–
–
–
–
–
–
–
–
–
–