Yamaha XS650H 1978 Supplementary Service Manual page 19

Gear ratio: 1st
2)
2nd
3rd
4th
5th
Drive axle (Left1
41 Oil seal type Drive axle (Left)
1 Type
2) Oil seal type (Change lever)
17. KICK STARTER
1) Type
2) Oil seal type (Kick axle)
INTAKE
19. CARBURETOR
Type and manufacturer/Quantity
4) Air jet
61 Needle jet
101 starter jet
11 Fuel level
20. LUBRICATION
2) Oil type and grade
31 Oil pump type
4) Trochoid pump specifications
Top clearance
Tip clearance
Side clearance
Oil pump volume
L
5) Bypass valve setting pressure
32113 (2.461)
26/20 (1.300)
23/21 (1.095)
22/23 (0.956)
Needle bearing (@20-$30-20)
Ball bearing ($25-e 52-20.6)
Ball bearing ($30.$62-23.61
Needle bearing (020.030-161
SDD-40-62-9
34117 (Z.OOO)/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 6,000 km (5,000 mile)
BS34 MIKUNl/2 pcs.
3G l-00
#132.5
#85
5HX12
Y-O
#135
#42.5
Preset
#30
27.3 + 0.5 mm (1.075? 0.020 in)
1.200 rlmin
Oil exchange: 2.0 lit (2.1 US qt)
Overhaul: 2.5 lit (2.6 US qt)
Yamalube 4-cycle oil or SAE 2OW/40 type
"SE" motor oil
Trochoid pump
0.10 - 0.18 mm (0.0039 - 0.0071 in)
0.03 - 0.09 mm (0.0012 - 0.0035 in)
0.03 - 0.08 mm (0.0012 - 0.0031 in)
1.3 litlmin (1.37 qtlminl at 1,000 rlmin
1.0 kg/cm' (14 psi)