KYMCO Vitality 50 User Manual

2. GENERAL INFORMATION
2
-
8
VITALITY 50
SERVICE INFORMATION (4-STROKE)
ENGINE
Standard (mm) Service Limit (mm)
Item
VITALITY 50 (4-Stroke)
Cylinder head warpage
 0.10
Piston O.D.(4.55mm from bottom of piston skirt)
38.97538.99 38.90
Cylinder-to- piston clearance
0.0100.040 0.10
Piston pin hole I.D.
13.00213.008 13.04
Piston pin O.D.
12.99413.0 12.96
Piston-to-piston pin clearance
0.0020.014 0.02
Ring-to-groove (top/second)
0.150.55 0.09
Connecting rod small end I.D.
13.01613.034 13.06
Cylinder bore
39.039.01 39.1
Drive belt width
18 17
Drive pulley collar O.D.
19.9619.974 19.94
Movable drive face ID.
20.01120.052 20.6
Weight roller O.D.
15.9216.08 15.4
Clutch outer I.D.
107107.2 107.5
Driven face spring free length
95 90
Driven face O.D.
33.96533.985 33.94
Movable driven face I.D.
34.00034.025 34.06
Connecting rod small end free play
0.050.4 0.6
Connecting rod big end radial clearance
00.008 0.05
Run out
 0.10
CARBURETOR
Standard
Setting mark CVK104A
Type CVK 18
Float level 20.5
Main jet #82 (speed limited: #80)
Slow jet #35
Pilot screw opening 2±
1
/2
Idle speed 1800±100rpm
Throttle grip free play 26mm

KYMCO Vitality 50 Specifications

General

Displacement	49 cc
Cooling System	Air-cooled
Fuel System	Carburetor
Transmission	CVT automatic
Front Suspension	Telescopic fork
Rear Suspension	Single shock
Front Brake	Disc
Rear Brake	Drum
Ignition	CDI
Front Tire	120/70-12
Rear Tire	130/70-12
Wheelbase	1, 280 mm
Fuel Capacity	5 liters
Starting System	Electric & Kick
Engine Type	2-stroke, single-cylinder