Chapter 3. Specifications - Yamaha MZ125 Service Manual

GENERAL SPECIFICATIONS
Model name
Model code number
Dimensions:
Overall length mm (in)
Overall width mm (in)
Overall height mm (in)
Weight kgf (lbf)
Engine:
Type
Cylinder arrangement
Displacement
Bore × Stroke mm (in)
Compression ratio
Rated output
kW (PS) / r/min
Rated engine speed r/min
Starting method
Ignition system
Ignition timing
Spark plug type
Spark plug gap mm (in)
Fuel tank:
Recommended fuel
Fuel tank capacity
L (US gal, lmp gal)
Engine oil:
Engine oil quantity
L (US qt, lmp qt)
Recommended engine oil
type
Recommended engine oil
grade
GENERAL SPECIFICATIONS
SPECIFICATIONS
MZ125
323 (12.7)
15.5 (34)
L (cm ) 0.123 (123)
3
56.0 × 50.0 (2.20 × 1.97)
8.3 : 1
2.2 (3.0) / 3600 2.2 (3.0) / 1800 3.3 (4.5) / 3600 3.3 (4.5) / 1800
3600
MZ125R
7CL
353 (13.9) 315 (12.4)
352 (13.9)
370 (14.6)
16.5 (36) 16.0 (35)
Air cooled 4-stroke gasoline OHV
Single cylinder
1800
Recoil starter
TCI
BTDC 23° ± 3°
BPR4ES (NGK)
0.7–0.8 (0.028–0.031)
Unleaded regular gasoline
4.5 (1.18, 0.99)
0.6 (0.63, 0.53)
YAMALUBE
SAE 10W-30 or 10W-40
-20 -10 0 10 20
SAE 10W-30
SAE 10W-40
0 10 30 50 70
API service SE type or higher
JASO standard MA
3-1
SPEC
MZ175 MZ175R
7CN
353 (13.9)
17 (38)
0.171 (171)
66.0 × 50.0 (2.60 × 1.97)
8.5 : 1
3600 1800
30 40 50 °C
90 110 130 °F
3