3. INSPECTION/ADJUSTMENT MXU 250R/300R
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 : 14 mm (0.040.16 in)
Spark plug gap : 0.60.7 mm (0.0020.003 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 : 1500100 rpm
MXU 300 : 1600100 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 (1600 kPa, 227 psi)
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