KYMCO MXU 300 -, User Manual

Page: 48 / 352

3
. INSPECTION/ADJUSTMENT
3-1
MXU 300/250
SERVICE INFORMATION
GENERAL
！
WARNING
•
Before running the engine, make sure that the working area is well-ventilated. Never run the
engine in a closed area. The exhaust contains poisonous carbon monoxide gas which may
cause death to people.
•
Gasoline is extremely flammable and is explosive under some conditions. The working area
must be well-ventilated and do not smoke or allow flames or sparks near the working area or
fuel storage area.
SPECIFICATIONS
Throttle grip free play : 1
～
4 mm (0.04
～
0.16 in)
Spark plug gap : 0.6
～
0.7 mm (0.002
～
0.003 in)
Spark plug: Standard : DPR7EA-9
Valve clearance : IN: 0.1 mm (0.004 in)
EX: 0.1 mm (0.004 in)
Idle speed
MXU 250 : 1500
±
100 rpm
MXU 300 : 1600
±
100 rpm
Engine oil capacity
At disassembly : 1.6 liter (1.4 lmp qt, 1.7 Us qt)
At change
: 1.4 liter (1.23 lmp qt, 1.48 Us qt)
Gear oil capacity (MXU 250)
At disassembly : 400 cc (0.35 lmp qt, 0.42 Us qt)
At change
: 300 cc (0.26 lmp qt, 0.32 Us qt)
Gear oil capacity (MXU 300)
At disassembly : 600 cc (0.52 lmp qt, 0.64 Us qt)
At change
: 500 cc (0.43 lmp qt, 0.53 Us qt)
Rear final gear case oil (MXU 300)
At disassembly : 150 cc (5.33 lmp oz, 5 Us oz)
At change
: 100 cc (3.56 lmp qt, 3.33 Us qt)
Cylinder compression : 16 kg/cm
²
(1600 kPa, 227 psi)