8-4
UF50K1 AND UF50ZK1 (’01-MODEL)
CY PISTON RING
Unit: mm
ITEM
STANDARD
LIMIT
Piston to cylinder
clearance
0.06 – 0.07
0.120
Cylinder bore
41.005 – 41.020
Measure at 20 mm from the top surface
41.075
Piston diam.
40.940 – 40.955
Measure at 15 mm from the skirt end
40.885
Cylinder distortion
———
0.05
Cylinder head distortion
———
0.05
Piston ring free
1st
R
Approx. 4.0
3.2
end gap
2nd
R
Approx. 4.3
3.4
Piston ring end gap
1st &
2nd
R
0.10 – 0.25
0.80
Piston ring to
1st
0.03 – 0.07
———
groove clearance
2nd
0.02 – 0.06
———
Piston pin bore
10.002 – 10.010
10.030
Piston pin O.D.
9.995 – 10.000
9.980
CRANKSHAFT
Unit: mm
ITEM
STANDARD
LIMIT
Conrod small end I.D.
14.003 – 14.011
14.040
Conrod deflection
———
3.0
Crank web to web width
36.0 ± 0.05
———
Crankshaft runout
———
0.05
OIL PUMP
ITEM
SPECIFICATION
Oil pump reduction ratio
30.000 (30/1)
Oil pump discharge rate
0.8 – 1.2 ml
for 5 minutes at 3 000 r/min.
CLUTCH
Unit: mm
ITEM
STANDARD
LIMIT
Clutch wheel I.D.
110.00 – 110.15
110.50
Clutch shoe thickness
3.0
2.0
Clutch engagement
4 300 ± 200 r/min.
———
Clutch lock-up
5 900 ± 300 r/min.
———
TRANSMISSION
Unit: mm Except ratio
ITEM
STANDARD
LIMIT
Reduction ratio
Variable 2.975 – 1.033
———
Final reduction ratio
13.812 (51/15 × 65/16)
———
Drive belt width
18.4
17.4
Driven face spring free length
110
104.5
SERVICE DATA
Содержание UF50
Страница 1: ...9 9 5 0 0 1 0 4 9 1 0 1 E UF50 ...
Страница 26: ...2 14 PERIODIC MAINTENANCE 1 2 3 4 5 6 7 8 6 9 0 A B C ...
Страница 104: ...5 22 CHASSIS HANDLEBAR COVERS AND SPEEDOMETER ASSEMBLY CONSTRUCTION 1 Front handlebar cover 2 Rear handlebar cover ...
Страница 162: ...SERVICING INFORMATION 7 11 ...
Страница 164: ...SERVICING INFORMATION 7 13 ...
Страница 185: ...Printed in Japan Y K1 ...