YCF BIGY 125 MX, Owner'S Manual, Page: 114 / 157

113
English
LUBRICATION SYSTEM SPECIFICATIONS
ITEM STANDARD Repair Limit
Engine oil capacity
After draining 0.7 lt
After disassembly 0.9 lt
Engine oil (recommended product) COMP 4SX 10W40 or PRO 4SX 10W40
Oil pump rotor
Tip clearance 0.15 (0.006) 0,20
Body clearance 0.15-0.21 (0.006 – 0.008) 0,27
Side clearance 0.03-0.09 (0.001- 0.004) 0,15
TRANSMISSION SPECIFICATIONS
ITEM SPECIFICATIONS
Main jet 90 for 125 cc and 100 for 150 cc
Idle jet 15
Jet needle clip position 3
rd
from top
Air screw initial setting/turn 1.5 rpm
STANDARD TORQUES VALUES
FASTENER TYPE
TORQUE
Nm (kgf-m)
FASTENER TYPE
TORQUE
Nm (kgf-m)
5 mm hex bolt and nut, pan head screw #6, 4,9 (0.5) 5 mm pan-head screw 3,9 (0,4)
6 mm hex bolt and nut, pan head screw #6, 9,8 (1.00) 6 mm pan-head screw 8,8 (0,9)
8 mm hex bolt and nut, pan head screw #6, 22 (2.2)
6 mm flange bolt (8 mm head,
small flange)
8,8 (0,9)
10 mm hex bolt and nut, pan head screw #6, 34 (3.5)
6 mm flange bolt (10 mm head) and
nut
12 (1,2)
12 mm hex bolt and nut, pan head screw #6, 54 (5.5)
8 mm flange blot and nut
10 mm flange bolt and nut
26 (2,7)
39 (4,0)