KYMCO Mongoose 90 Service Manual page 8

1
. GENERAL INFORMATION
Mongoose 50-2T /MXER 50R-2T
Name & Model No.
Overall length
Overall width
Overall height
Wheel base
Engine type
Displacement
Fuel Used
Front wheel 49.6 kg (109.12 lbs)
Net weight Rear wheel 50.7 kg (111.54 lbs)
Total
Front wheel 54.6 kg (120.12 lbs)
Gross weight Rear wheel 55.7 kg (122.54 lbs)
Total
Front wheel 16*8-7
Tires
Rear wheel 16*8-7
Ground clearance
Starting system
Type
Cylinder arrangement
Combustion chamber type Semi-sphere
Valve arrangement
Bore x stroke
Compression ratio
Compression pressure
Intake
Open
(1mm)
Close
Port
timing Exhaust Open
(1mm)
Close
Valve clearance Intake
Exhaust
(cold)
Idle speed
Lubrication type
Oil pump type
Oil filter type
Cooling Type
1-5
LA10
1385 mm (55.4 in)
875 mm (35 in)
890 mm (35.6 in)
900 mm (36 in)
2-stroke.
49.4 cc (3.02 cu-in)
92# nonleaded gasoline
100.3 kg (220.66 lbs)
110.3 kg (242.66 lbs)
72 mm (2.88 in)
Motor & Kick starter
Gasoline, 2-stroke
Single cylinder
Reed valve & piston
39X41.4 mm
(1.56X1.656 in)
7.2:1
1200 kPa (12 kgf/cm 2 ,
170.4 psi)
Automatic controlled
Automatic controlled
─
─
─
─
2000 rpm
Separate type
Plunger type
Full-flow filtration
Air cooling
Air cleaner type & No Sponge
Fuel capacity
Type
Main jet No.
Venturi dia.(mm)
Throttle type
Type
Ignition timing
Contact breaker
Spark plug
Spark plug gap
Battery Capacity
Clutch Type
Type
Transmis-
Operation
sion Gear
Type
Primary
Reduction
reduction
Gear
Final
reduction
FR/RR tire rolling
circumference
Front
Tire pressure
Rear
Turning Left
angle
Right 35°
Brake system
Rear
type Front
Front
Suspension
type
Rear
Frame type
5.5 L (12.1 lmp gal, 1.45
US gal)
PB
82
φ
14
PISTON
CDI
15° /1700rpm
BTDC
Non-contact point type
NGK BR8HAS
0.6～0.7 mm
(0.024～0.028 in)
12V4AH
CVT
Helical gear
Automatic centrifugal
Type
V-Belt
0.895~3.113
11.05
1247 mm (49.88 in)
25 kPa (0.25 kgf/cm 2 ,
3.6 psi)
35°
Drum brake
Drum brake
Swing axle
Swing arm
Steel tube frame