GAS GAS EC Boy 50, User Manual

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Specifications
EC Boy-50 MC Boy-50
49.38 / 5 49.38 / 12
1 (one)
39 x 41.8 mm
Air Liquid
Electronic with variable advance
Automatic
Single gear
Primary by gears,
Secondary by chain
250 cc of SAE 20 oil
CHASSIS
Deltabox, elliptic profile tubes in CRMo, aluminium rear swingarm
Marzocchi hydraulic fork - 140 mm
Single-shock absorber Sachs - 155 mm stroke
Disk, 160 mm diameter, AJP calliper
Disk, 150 mm diameter, AJP calliper
Duralumin wheels
2.5 - 14" 2.5 - 10"
2.75 / 3.00 - 12 2.75 - 10"
Forged aluminium with retractable toecap
Dell'Orto 19 mm diameter carburettor with
polyurethane sponge filter diffuser
Dell'Orto 14 mm diameter carburettor with
polyurethane sponge filter diffuser
-
6
-
Description
Displacement / power cc/CV
Type
Number of cylinders
Bore and stroke
Cooling system
Engine lubrication system
Engine supply system
Ignition system
Clutch
Gear changes
Transmission
Transmission lubrication system
Type
Front suspension
Rear suspension
Front brake
Rear brake
Wheels
Tyres
- Front
- Rear
Kick-start pedal
Shift pedal and rear brake
ENGINE
Two-stroke single cylinder, layer admission directly to crankcase
2% mixture ratio
Forged aluminium
Quick guide to maintenance