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Service Manual
Moby XL, SE-803
Specification Chart
Cylinder Plating
Chrome
Piston Rings
2
Displacement (cc)
39.8
Horsepower
1.8
Bore x Stroke (mm)
39.8 x 32
Compression ratio
7.2:1
Maximum hp
1.8 @ 7500 rpm
Maximum kw
1.14 @ 8000 rpm
Maximum torque – kg-m (ft. lbs)
0.21 (1.5) @ 5500 rpm
Maximum RPM
11000
Idling RPM
3000
+/-
200
Starting System
Recoil
Rotation (recoil side)
Clockwise
Fuel capacity – cc (fl. oz)
1000 (33.8)
Fuel consumption – g/hp.hr (g/kw.hr)
345 (469)
Carburetor
WYJ-224, Walbro
Clutch Diameter
76 mm
Spark Plug
CJ7 (Champion) / BM7A (NGK)
Ignition System
TCI
Spark Plug Electrode Gap
.024
Second Coil Resistance
5.8 KΩ
Coil Air Gap
.014 / .016
Engine Dimensions – LxWxH (mm)
170 x 260 x 270
Engine Weight – kg (lbs)
3.9 (8.6)
Scooter Weight
52 lbs.
Overall Length
48”
Height / (folded)
40” (17”)
Maximum Speed
24/25mph
Drive Ratio
10:1
Tire Air Pressure
50 psi (max)
Brakes (Front)
Disc
Brakes (Rear)
Friction
Tire Size / Type
10”/4 ply
Weight Capacity
270 lbs.
Fuel
Gas/Oil 50:1
Spark Plug
BPM6A (or equiv.)
Drive System
Dual Belt
Ground Clearance
4.5”
Torque Limits
In. - Lb. N - M
Crankcase
40 4.5
Cylinder
40 4.5
Carburetor Insulator
45 5.0
Carburetor
38 4.2
Clutch Shoes
200 22.5
Flywheel
185 20.8
Ignition Coil
25 2.8
Spark Plug
150 16.8
Pawl Carrier
25 2.8
Fan Case
35 3.9
Muffler
50 5.6