Specifications

14. CLUTCH
1) Clutch type
2) Clutch operating mechanism
3) Primary reduction ratio and method
4) Primary reduction gear back lash (4 teeth)
5) Friction plate
Thickness/Quantity
Wear limit
6) Clutch plate
Thickness/Quantity
Warp limit
7) Clutch spring
Free length/Quantity
8) Clutch housing radial play
9) Push rod bending limit
15. TRANSMISSION
1) Type
2) Gear ratio: 1st
2nd
3rd
4th
6th
3) Bearing type: Main axle (Left)
Main axle (Right)
Drive axle (Left)
Drive axle (Right)
4) Oil seal type Drive axle (Left)
5) Secondary reduction ratio and method
16. SHIFTING MECHANISM
1) Tvpe
2) Oil seal type (Change lever)
17. KICK STARTER
1) Tvpe
2) Oil seal type (Kick axle)
3) Kick clip friction tension
18. INTAKE
1) Air cleaner: Type/Quantity
2) Cleaner cleaning interval
19. CARBURETOR
1) Type and manufacturer/Quantity
2) I.D. mark
3) Main jet
(MJ)
4) Air jet
(AJ)
5) Jet needle
(JN)
6) Needle jet
(NJ)
7) Throttle valve (Th.V)
8) Pilot jet
(PJ)
9) Pilot screw (Turns out) (PS)
10) Starter jet
(GS)
11) Fuel level
(FL)
12) Idling engine speed
20. LUBRICATION
1) Engine sump oil quantiD/
2) Oil type and grade
3) Oil pump type
Wet, multiple type
Inner push type, screw push system
72127 (2.666). spar Qear
21.45 _&6 mm (0.8445 &ooto in)
3 mm (0.118 in)/7 pcs.
2.7 mm (0.106 in)
1.4 mm (0.055 in)/6 PCS.
0.05 mm (0.002 in)
34.6 mm (1.362 in)/6 PCS.
0.027 N 0.061 mm (0.0011 - 0.0032 in)
0.2 mm (0.006 in)
Constant mesh, 5-speed forward
32/13 (2.461)
27117 (1.588)
26/20 (1.300)
23/21 (1.095)
22123 (0.966)
Needle bearing ( @20-$30-20)
Ball bearing (r#~25-$52-20.6)
Ball bearing (@30-#62-23.8)
Needle bearing (#20-#30-16)
SDD-40-62-9
34117 (2.0OO)/Chain
Cam drum, return type
SDO-14-24-6
Bendix type
SD-25-35-7
1.2 - 1.7 kg (2.6 - 3.7 lb)
Dry. foam rubber/2 pcs.
Every 1,600 km (1,000 mile)
BS38 MIKUNIR pcs.
2FOOO
#135
#140
502-3
Z-2
#120
#27.5
Preset
GSr : #80, GSz : 0.5
24 f 1 mm (0.94 *O&l in)
1,200 rlmin
Oil exchange: 2.0 lit (2.1 qt)
Overhaul: 2.5 lit (2.6 qt)
Yamaluba 4-cycle oil or SAE 2OW/40 type
“SE” motor oil
Trochoid pump
-91 -
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