Yamaha DT 400 MX

⚠️ Things to consider

• Weight: The DT 400 MX is relatively heavy for a dirt bike, which can affect maneuverability and handling, especially for less experienced riders.
• Fuel Consumption: With its larger engine, the DT 400 MX can be less fuel-efficient compared to smaller dirt bikes, making it less ideal for long rides without frequent refueling.
• Suspension: The suspension technology of the late 1970s may not provide the same level of comfort and performance as modern systems, resulting in a harsher ride over rough terrain.
• Parts Availability: As a vintage model, finding replacement parts can be challenging and costly, which may deter some potential owners or require a longer wait for repairs.
• Braking Performance: The braking system on the DT 400 MX may not be as effective as modern bikes, potentially compromising safety and control during aggressive riding or on steep descents.

⚖️ Comparison & Competition

• Honda CR250R (1979)
• The Honda CR250R is a legendary motocross bike known for its lightweight frame and powerful two-stroke engine. It features a responsive suspension and sharp handling, making it a favorite among racers and trail riders alike. Its reputation for reliability and performance makes it a solid alternative for those seeking a vintage dirt bike.
• Suzuki RM250 (1979)
• The Suzuki RM250 was designed for serious off-road enthusiasts, featuring a potent two-stroke engine that delivers impressive power and torque. Known for its agility and excellent suspension setup, the RM250 offers a competitive edge in motocross and trail riding. Its rugged design and performance capabilities make it a worthy rival to the Yamaha DT 400 MX.
• Kawasaki KX250 (1979)
• The Kawasaki KX250 is another iconic motocross machine, featuring a robust two-stroke engine and a lightweight chassis. Known for its excellent handling and responsiveness, the KX250 is well-suited for both competitive racing and recreational riding. Its combination of performance and durability makes it a great alternative in the vintage dirt bike category.
• Bultaco Pursang 250 (1979)
• The Bultaco Pursang 250 is a classic Spanish dirt bike that is revered for its unique design and performance. With a powerful two-stroke engine and exceptional build quality, the Pursang offers excellent handling on various terrains. Its distinctive styling and racing pedigree make it an appealing choice for collectors and vintage enthusiasts alike.
• Maico 400 (1979)
• The Maico 400 is a powerful and robust motocross bike known for its impressive torque and acceleration. With a strong focus on performance, it features a well-balanced chassis and a capable suspension system. The Maico 400 is often praised for its ability to tackle tough terrains, making it a great alternative for riders looking for a vintage bike that excels in off-road conditions. These alternatives each bring their unique characteristics to the table, whether it be performance, handling, or historical significance, making them excellent choices for enthusiasts of vintage dirt bikes

The Yamaha DT 400 MX produces 21 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

Estimated average for 397cc class: 45-60 mpg (4.0-5.5 L/100km)

⛽ Tank: 9.00 litres (2.38 gallons)

Insurance grouping for Yamaha DT 400 MX (397cc):

• 📋 Group 8-15 — mid-range
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Insurance Calculator (UK est.)

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Personalised premium estimate for the Yamaha DT 400 MX (UK rates):

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Price Estimate

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Estimated price range for the Yamaha DT 400 MX based on comparable motorcycles:

AVERAGE

$2,642

📊 Category-based (16 motorcycles) · Approximate (USD)

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Buy New & Used

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Find new and used Yamaha DT 400 MX 1979 listings:

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• 👤 Final premium varies by rider age, history, location.