1972 Yamaha DT2 250 Specifications and Specs

Specifications and workshop reference information for the 1972 Yamaha DT2, including engine, chassis, service data and setup details.

Note: Specs are compiled from factory data, manuals and owner feedback. Bikes vary — if yours is different, jump into the forum and share it.

1972 Yamaha DT2

General Specifications

Engine Type2-stroke, torque induction
Displacement246 cc
Bore × Stroke70 × 64 mm
Compression Ratio6.8:1
Maximum Power24 HP @ 7,000 rpm
Maximum Torque18.3 ft-lb @ 6,000 rpm
CarburetorVM26SH | Replacement Options
LubricationYamaha Autolube (separate)
Fuel Mix Ratio32:1 | Premix Calculator
IgnitionFlywheel magneto
Spark PlugNGK B8ES
Spark Plug Gap0.024 inches (approx. 0.6 mm).

Transmission

Transmission Type5-speed constant mesh
ClutchWet, multi-plate
Primary Reduction3.095 (65/21)
Final Reduction3.142 (44/14)

Dimensions

Overall Length2100 mm
Overall Width890 mm
Overall Height1160 mm
Wheelbase1390 mm
Ground Clearance255 mm
Fuel Tank Capacity9.5 L
Bearing Sizes Bearing Finder

Chassis

Frame TypeTubular double loop
Caster Angle60°30'
Trail130 mm
Front SuspensionTelescopic fork | Fork Oil Levels
Rear SuspensionSwingarm
Front Suspension Travel150 mm (approximately 5.9 inches)
Rear Suspension Travel6 inches (approximately 152 mm)

Brakes & Wheels

Front Tire3.25-19 | Tyre Size Guide
Rear Tire4.00-18 | Tyre Size Guide
Front BrakeDrum (right hand)
Rear BrakeDrum (right foot)

250cc Other Specs

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