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AT2

Category: Enduros
Manufacturer: Yamaha show models
Hits: 908
Year 1972
Engine Class 125
VIN Prefix AT1
Known VIN Range (Vehicle ID Numbers) 165101 to 197560
Tank Color(s) Mandarin Orange
Country of Sale USA
Bore (MM) 56
Stroke (MM) 50
Displacement (CC) 123
Compression Ratio (to 1) 7.1
BHP @ RPM 13 @ 7,000
Torque (kgm) @ RPM 1.38 @ 6,000
Autolube Injection? Yes
Engine Cooling Air
Carburetor Model VM24SH
Ignition Type Starter/Dynamo
Ignition Timing MM (BTDC) 1.8
Primary Drive Gearing 3.9
Final Drive Gearing (Sprockets) 45/15
Box Gearing First 3.18
Box Gearing Second 2.0
Box Gearing Third 1.37
Box Gearing Fourth 1.0
Box Gearing Fifth 0.8
Fuel Capacity (L) 7
2 Stroke Oil Tank Capacity (L) 1.23
Gearbox Oil Capacity 0.75
Fork Oil Capacity (CC/Fork Leg) 120
Front Tire (stock) 3.00 x 18
Rear Tire (stock) 3.25 x 18
Front Brake Type Drum
Rear Brake Type Drum
Rear Suspension Twin Shock
Overall Width (mm) 910
Ground Clearance (mm) 240
Wheelbase (mm) 1,280
Dry Weight (kg) 100
Spark Plug NGK B8ES
Voltage 12 Volt
Carburetor Type VM24SH
Main Jet 230
Needle Jet 0-6
Jet Needle 5J3-3
Slide Cutaway 2.5
Pilot Jet 35
Air Screw (turns out) 2
Starter Jet 40
Float Level (mm) 21.0

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