Yamaha RD250 Ergänzung Zur Wartungsanleitung Seite 37

I tems
Ring end gap. installed, 2nd
Ring groove side clearance, top
Ring groove side clearance, 2nd
Small end bearing:
Type
Big end bearing:
Ty pe
Crankshaft :
Crankshaft assembly width (A)
Crankshaft assembly width (F)
Crankshaft deflection (D)
Connecting rod large end side
clearance (C)
Connecting rod small end
deflection (P)
c
Crank pin outside diameter
x length
Crank pin type
Crank bearing type, left/Q'ty
Crank bearing type, center/Q'ty
Crank bearing type, right/ Q'ty
Crank oil seal type, left/Q'ty
Crank oil seal type, center/Q'ty
Crank oil seal type, right/Q'ty
RD250
RD400
0.2 — 0.4 mm 0.3— 0.5 mm
(0.012 — 0.020 in)
(0.008 - 0.016 in)
0.03 — 0.07 mm 0.03 — 0.05 mm
(0.0012 -v 0.0028 in) (0.0012
Needle bearing
Needle bearing
52
mm
-0.05
o
(2.05 -0.002•n)
+0.05
154
mm
-0.10
+0.002
-0.004In)
(6.06
0.05 mm (0.002 in)
0.25 — 0.75 mm
(0.010— 0.030 in)
0.36 — 0.98 mm
(0.014 — 0.039 in)
22 x 51 mm
(0.87 x 2.01 in)
Hollow type Solid type
6305C3 special/l pc.
6206C3 special/2 pcs.
6305C3 special/l pc.
SW-25-40-10
special/ I pc.
Labyrinth seal/ 1 pc.
SW-40-62-10
special/ 1 pc.
I tems
Clutch:
Clutch type
Clutch generating mechanism
in)
Primary reduction ratio
Primary reduction gear back lash
tolerance
Primary drive gear back lash
number
Primary driven gear back
lash number
Friction plate: Thickness/Q'ty
Friction plate: Wear limit
Clutch plate: Thickness/O'ty
Clutch plate: Warp limit
Clutch spring: Free length/Q'ty
Clutch spring: Minimum
Clutch housing axial play
Push rod bending limit
Oil seal type: Push lever axle
Tightening torque:
Primary drive gear securing nut
(M16P1.O)
Clutch boss securing nut
(M18 P1 .0)
Clutch spring screw (M6 P1 .0)
Transmission
Type
Gear ratio: 1st, teeth (ratio)
2nd
3rd
4th
5th
6th
Transmission gear oil:
Q'ty and type
Bearing type: Main axle,
Main axle, right
Drive axle,
Drive axle, right
—35—
RD250
Wet, multiple disc type
Inner push type,
Screw push system
and method 68/21 (3.238),
Helical gear
35 (B-B, C-C, D-D)
B (20, 19), c (21),
D (22, 23)
B (15, 16), c (14),
D (12, 13)
3 mm (0.12 in)/7 pcs.
2.7 mm (0.11 in)
1.2 mm (0.05 in)/
6 pcs.
0.05 mm (0.002 in)
36.4 mm (1.43 in)/
6 pcs.
length
35.4 mm (1.39 in)
0.07 — 0.14 mm
(0.003 — 0.006 in)
0.2 mm (0.008 in)
SDO-8.8-22-6
6.5 m-kg (47 ft-lb)
6.5 m-kg (47 ft-lb)
0.9 rn-kg (6.5 ft-lb)
Constant mesh,
6-speed forward
36/14 (2.571)
32/18 (1.778)
29/22 (1.318)
26/24 (1.083)
25/26 (0.962)
24/27 (0.889)
Oil change; 1 ,500 cc
Total: 1 ,700 cc
SAE IOW/30
"SE" motor oil
left Needle bearing
(+20433-15)
5205
left 6305N special
Needle bearing
(020.33-15)
R 0400
66/23 (2.869),
Helical gear
131 (B-B, C.C, D-D)
B (65. 66), C (67),
D (68, 69)
B (65, 66). C (64),
D (62, 63)