HARTFORD CG-125 Manuel utilisateur
Service manual part engine
For CG-125/150
Issued date:April 1999
HARTFORD
INDUSTRIAL CO.,LTD.
Service manual part Engine for CG-125/150
HARTFORD INDUSTRIAL CO., LTD.
Chapter Contents
Chapter 1 Foreword
Chapter 2 General specifications
Chapter 3 Reason a breakdown
Chapter 4 Cylinder,cylinderhead, valves and piston
Chapter 5 Generator /Start motor
Chapter 6 Clutch and gear box
Chapter 7 Carburetor
Chapter 8 Removing and Installing the engine
Chapter 9 Maintenance
Chapter10Electrical system
Service manual part Engine for CG-125/150
HARTFORD INDUSTRIAL CO., LTD.
Chapter 1 Foreword
Hartford Industrial Co., Ltd.
NO CG
1.Foreword Page 1-1
Hartford motorcycle engines state of the art power
drivingpower , torque , output , smoothness of running , and
fuelconsumption are the prime factors in determining the
performance of a motorcycle engine .
At Hartford we focus on these critical points , striving
to create an engine that offers the maximum in motorcycle driving
performance .
At the heart of Hartford is engine production ability is
our state of the art production facility , which is set up with
Flexible Manufacturing System (FMS) . The FMS is planned and
designed by Hartford is engineering staff , and is composed of a
series of Hartford machining centers .
Our engine production capabilities do not end with
engineering and production . Our commitment to quality is as
modern and comprehensive as our facility . The most up to date
testing and measurement devices are used to assure that the
engines we ship will meet your most exacting standards .
We also maintain a comprehensive spare parts
inventory , with items available for immediate delivery . No matter
what your type of motorcycle , we have the performance engines
to meet your needs at the right price .
Hartford employs a wide variety of sophisticated testing
instruments for rigorous testing of the engine performance .
Service manual part Engine for CG-125/150
HARTFORD INDUSTRIAL CO., LTD.
Chapter 2 General Specifications
2.1 Profile diagram and Main part name ---------------- 2-1
2.1.1 Profile diagram ----------------------------------- 2-1
2.1.2 Main part name----------------------------------- 2-2
2.2 Engine specifications------------------------------------ 2-3
2.3 Lubrication system--------------------------------------- 2-4
2.4 Transmission ---------------------------------------------- 2-5
2.4.1 Clutch----------------------------------------------- 2-5
2.4.2 Gear------------------------------------------------- 2-5
2.5 Other -------------------------------------------------------- 2-6
2.5.1 Ignition system ----------------------------------- 2-6
2.5.2 Generator------------------------------------------ 2-6
2.5.3 Base------------------------------------------------- 2-6
2.5.4 Torque settings----------------------------------- 2-7
2.5.5 Points for attention ------------------------------ 2-8
2.5.6 Special tools--------------------------------------- 2-9
Hartford Industrial Co., Ltd.
NO CG
2. General Specifications Page 2-1
2.1 Profile diagram and Main part name
2.1.1 Profile diagram
432
315.2
347.6
15
15.5
162
124
32
238.5
267
140
Hartford Industrial Co., Ltd.
NO CG
2. General Specifications Page 2-2
2.1.2 Main part name
11
254
13
1
6
3
15 10 98
12 14
7
6
Main part:
1.Cylinder
2.Cylinder head 3.Carburetor
4.Holder comp pkr
5.Valve 6.Oil pump
7.Piston
8.Clutch 9.Right crank case
10.Left crank case
11.Generator 12.Leak bolt
13.Drive sprocket
14.Engine number 15.Starter Gear
Hartford Industrial Co., Ltd.
NO CG
2.General Specifications Page 2-3
2.2 Engine Specifications
Item 125C.C.(4/5speed)150C.C.(4/5speed)
Model (CG type)
Cylinder layout
Fuel requirement
Bore and stroke
Capacity
Compression ratio
Weight (dry / wet)
Intake valve timing
Exhaust valve timing
Intake valve clearance
Exhaust valve clearance
Idle speed
Combustion chamber
type
Valve operation
Max.power(ps/rpm)
Max.torque(kg-m/rpm)
Fuel economy (km/l)
Air-cooled, single-cylinder
OHV four-stroke
Single cylinder canted 15
degrees
90 octane or higher
56.5 x 49.5mm
124cc
9:1
33kg
5 degrees BTDC / 35 degrees
ABDC
30 degrees BBDC / 5 degrees
ATDC
0.06-0.08mm
0.06-0.08mm
1400 ±100 rpm
Hemispherical
Single camshaft OHV
9.5/8200
0.95/8200
45 more or less depends on
road conditions
Air-cooled, single-cylinder
OHV four-stroke
Single cylinder canted 15
degrees
90 octane or higher
62 x 49.5mm
149cc
9.6:1
34kg
16 degrees BTDC 22
degrees ABDC
30 degrees BBDC / 5
degrees ATDC
0.06-0.08mm
0.06-0.08mm
1400 ±100 rpm
Hemispherical
Single camshaft OHV
12/8300
1.2/8300
45 more or less depends on
road conditions
Hartford Industrial Co., Ltd.
NO CG
2.General Specifications Page 2-4
2.3 Lubrication system
Item 125C.C.(4/5speed)150C.C.(4/5speed)
Oil pump type
Oil filter type
Oil flow rate
Oil grade
Oil capacity
Oil delivery:
Crankcase
Cylinder head
Transmission
Gerotor
Centrifugal and screen
4.4l/min @ 8500rpm
SAE 10W/30
0.8 – 1.2L
2.44l/min @ 8500rpm
1.27l/min @ 8500rpm
1.63l/min @ 8500rpm
Gerotor
Centrifugal and screen
4.4l/min @ 8500rpm
SAE 10W/30
0.8 – 1.2L
2.44l/min @ 8500rpm
1.27l/min @ 8500rpm
1.63l/min @ 8500rpm
Hartford Industrial Co., Ltd.
NO CG
2.General Specifications Page 2-5
2.4 Transmission
2.4.1 Clutch
2.4.2Gear system
Item 125C.C.(4/5speed)150C.C.(4/5speed)
Clutch type
Operation
Torque rating
Number of plates
Wet multiple
Left hand
7.6kgm
5
Wet multiple
Left hand
7.6kgm
5
Item 125C.C.(4/5speed)150C.C.(4/5speed)
(1)4 Gearbox(International)
(2)4 Gearbox(Circulate)
(3)5 Gearbox(International)
Left foot
(1)4 Gearbox(International)
(2)4 Gearbox(Circulate)
(3)5 Gearbox(International)
Left foot
4 speed 5 speed 4 speed 5 speed
Gearbox type
Operation
Gear ratios
Primary
reduction
1st gear
2nd gear
3rd gear
4th gear
5th gear
Final education
4.055(73/18)
2.769(13/36)
1.722(18/31)
1.272(22/28)
1.000(25/25)
2.773(15/41)
4.055(73/18)
2.4 (15/36)
1.882(17/32)
1.400(20/28)
1.130(23/26)
0.960(25/24)
2.773(15/41)
4.055(73/18)
2.769(13/36)
1.722(18/31)
1.272(22/28)
1.000(25/25)
2.773(15/41)
4.055(73/18)
2.4 (15/36)
1.882(17/32)
1.400(20/28)
1.130(23/26)
0.960(25/24)
2.773(15/41)
Ce manuel convient aux modèles suivants
1
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