Fantic XX 125, Руководство по эксплуатации и обслуживанию

Страница: 35 / 153

13 Motore 1. General information
USE AND MAINTENANCE MANUAL CHAPTER 1
GENERAL INFORMATION 2-Strokes - Edition 01 / 2023
34
1.10 MAINTENANCE LIMITS
Engine (XX 125 and XE 125 versions)
Item Standard Limit
Cylinder head:
Combustion chamber volume
Warp limit –
– –
0.03 mm (0.0012 in)
Cylinder:
Bore size 54.000–54.014 mm (2.1260–2.1265 in) 54.064 mm (2.1285 in)
Piston:
Piston size
Measuring point
(from bottom of piston skirt)
Piston clearance
53.957-53.972 mm (2.1260-2.1249 in)
17.5 mm (0.69 in)
0.040-0.045 mm (0.0016-0.0018 in)
–
–
–
Piston pin:
Pin hole internal diameter limit
Pin outer diameter limit
Piston pin - piston bore clearance 15.040 mm (0.5921 in)
14.975 mm (0.5896 in)
0.008-0.023 mm (0.0003-0.0009 in)
–
–
–
Piston ring:
Piston ring
Lateral piston ring clearance –
0.035–0.070 mm (0.0014–0.0028 in)
1.20 mm (0.0472 in)
0.10 mm (0.0039 in)
Crankshaft:
Crankshaft assembly width 55.90–55.95 mm (2.201–2.203 in) 0.030 mm (0.0012 in)
Clutch:
Clutch lever clearance
Friction plate thickness
Quantity
Clutch plate thickness
Quantity
Distortion limit
Clutch spring free length
Pushrod deformation limit
7.0–12.0 mm (0.28–0.47 in)
2.90–3.10 mm (0.114–0.122 in)
8
1.50–1.70 mm (0.059–0.067 in)
7
–
41.20 mm (1.62 in)
–
–
2.80 mm (0.110 in)
–
–
–
0.20 mm (0.008 in)
39.20 mm (1.54 in)
0.30 mm (0.012 in)
Transmission:
Main axle deflection limit
Drive axle deflection limit –
– 0.01 mm (0.0004 in)
0.01 mm (0.0004 in)
Shifter:
Shifting type
Guide bar bending limit Cam drum and guide bar
–
–
0.050 mm (0.0020 in)
Kickstarter type:
Kick clip friction force
Kick and mesh
P=7.80–11.80 N
(0.80–1.20 kg, 1.75–2.65 lb)
–
–
Air filter oil grade (oiled filter)
Foam air filter oil or
other quality foam air filter oil
–