KYMCO Mongoose 50-2T, Service Manual

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1
. GENERAL INFORMATION
1-4
Mongoose 50-4T /MXER 50R-4T
Model No. LB10
Overall length 1430 mm (58 in)
Overall width 870 mm (34.8 in)
Overall height 900 mm (37.8 in)
Wheel base 965 (38.6 in)
Engine type O.H.C.
Displacement 49.5 cc (3.01 cu-in)
Fuel Used
92# nonleaded gasoline
Front wheel 51 kg (132lbs)
Rear wheel
50 kg (132 lbs)
Net weight
Total
101 kg (264 lbs)
Front wheel 55 kg (138.6 lbs)
Rear wheel
53 kg (134.2 lbs)
Gross weight
Total
108 kg (272.8 lbs)
Front wheel 16 *8-7
Tires
Rear wheel 16*8-7
Ground clearance 130 mm (7.6 in)
Starting system Motor & Kick starter
Type Gasoline, 4-stroke
Cylinder arrangement Single cylinder
Combustion chamber type Semi-sphere
Valve arrangement O.H.C., chain drive
Bore x stroke
39X41.4
mm
(1.54
X1.63 in)
Compression ratio 10:1
Compression pressure
1400 kPa (14 kgf/cm 2 ,
200 psi)
Open 2
°
(BTDC)
Intake
(1mm)
Close 26
°
(ABDC)
Open 44
°
(BBDC)
Port
timing Exhaust
(1mm)
Close -17
°
(ATDC)
Intake
Valve
clearance
(cold)
Exhaust
0.04 mm (0.0016 in)
Idle speed (rpm) 2000rpm
Lubrication
type
Forced pressure &
Wet sump
Oil pump type Inner/outer rotor type
Oil filter type Full-flow filtration
Oil capacity
0.8 L (0.7 lmp qt,
0.84US qt)
Lubrication System
Oil exchanging
capacity
0.7 L (0.62 lmp
qt,0.74US qt)
Engine
Cooling Type Air cooling
Air cleaner type Sponge
Fuel capacity
5.5 L (12.1 lmp gal,
1.45 US gal)
Type PTE
Main jet No. #80
Venturi dia.(mm)
φ
16
Fuel S
ystem
Carbureto
Throttle type PISTON
Type CDI
Ignition timing 13
°
BTDC
/2000rpm
Contact breaker Non-contact point type
Spark plug NGK CR7HSA
Ignition System
Spark plug gap
0.6
～
0.7 mm (0.024
～
0.028 in)
Electrical E
qui
pment
Battery Capacity 12V4AH
Clutch Type CVT
Type
Helical gear
Transmi-
ssion Gear Operation Automatic centrifugal
Type
Type V-Belt
Primary
reduction
0.8~2.5
Power Drive S
ystem
Reduction
Gear
Final
reduction
27.136
FR/RR tire rolling
circumference
1546/1514 mm
(61.84/60.56 in)
Front
Tire pressure
Rear
25 kPa (0.25 kgf/cm 2 ,
3.6 psi)
Left 35
°
Moving Device
Turning angle
Right 35
°
Rear Disk brake
Brake system type
Front Drum brake
Front Swing axle
Damping Device
Suspension
type
Rear Swing arm
Frame type Steel tube frame