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DT100B

Category: Enduros
Manufacturer: Yamaha show models
Hits: 568
Year 1975
Engine Class 100
VIN Prefix 437
Known VIN Range (Vehicle ID Numbers) 100101 to 126270+
Tank Color(s) El Toro Orange
Country of Sale USA
Bore (MM) 52
Stroke (MM) 45.6
Displacement (CC) 97
Compression Ratio (to 1) 10 @ 7,500
BHP @ RPM 0.97 @ 7,000
Torque (kgm) @ RPM 0.97 @ 7,000
Autolube Injection? Yes
Engine Cooling Air
Carburetor Model VM22SS
Ignition Type Magneto
Ignition Timing MM (BTDC) 1.8
Primary Drive Gearing 3.9
Final Drive Gearing (Sprockets) 49/14
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) 6
2 Stroke Oil Tank Capacity (L) 1.2
Gearbox Oil Capacity .65
Fork Oil Capacity (CC/Fork Leg) 160
Front Tire (stock) 2.75 x 19
Rear Tire (stock) 3.00 x 18
Front Brake Type Drum
Rear Brake Type Drum
Rear Suspension Twin Shock
Front Suspension Travel (mm) 145
Rear Suspension Travel (mm) 90
Rake (degrees) 31
Trail (mm) 132
Dry Weight (kg) 93
Spark Plug NGK BH8S
Voltage 6 Volt
Carburetor Type VM22SS
Main Jet 150
Air Jet 2.5
Needle Jet N-4
Jet Needle 4L6-2
Slide Cutaway 1.5
Pilot Jet 25
Air Screw (turns out) 1.25
Starter Jet 30
Float Level (mm) 21.0

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