Yamaha DT 400 MX

⚠️ Things to consider

• Weight: The DT 400 MX is relatively heavy compared to modern lightweight dirt bikes, which can make it less agile and harder to handle in technical off-road conditions.
• Limited Power Band: While the two-stroke engine offers good torque, it may have a narrow power band that can require frequent gear changes, especially in varied terrain.
• Fuel Efficiency: As a two-stroke motorcycle, the DT 400 MX tends to consume more fuel compared to four-stroke bikes, leading to more frequent refueling during long rides.
• Vibration: The engine's design can lead to higher levels of vibration, which may cause rider fatigue over time, especially on longer rides.
• Parts Availability: Being an older model, finding replacement parts for the DT 400 MX can be challenging, potentially leading to longer downtime for repairs and maintenance.

⚖️ Comparison & Competition

• Honda CR250R (1978) The Honda CR250R is a legendary two-stroke motocross bike known for its lightweight frame and powerful engine. It features a high-revving 250cc engine, excellent suspension, and agile handling, making it a favorite among off-road enthusiasts and racers alike during its era.
• Suzuki RM250 (1978) The Suzuki RM250 combines a potent 250cc two-stroke engine with a well-designed chassis for superior handling. Its innovative features included a lightweight aluminum frame and adjustable suspension, which helped it excel on the track and in the dirt, establishing it as a competitive choice for dirt riders.
• Kawasaki KX250 (1978) The Kawasaki KX250 is another iconic two-stroke motocross bike, celebrated for its strong performance and durability. With a powerful engine and responsive suspension, it was designed to tackle tough terrain and aggressive riding styles, making it a reliable option for both casual riders and serious competitors.
• Bultaco Pursang 250 (1978) The Bultaco Pursang 250 is a classic trials and motocross bike known for its exceptional build quality and performance. With a 250cc two-stroke engine and a lightweight, nimble chassis, the Pursang is ideal for riders looking for versatility in both competition and recreational riding.
• Husqvarna WR250 (1978) The Husqvarna WR250 is a well-respected enduro bike with a reputation for ruggedness and reliability. Featuring a powerful two-stroke engine and advanced suspension for its time, it excels in off-road conditions, making it a popular choice for trail riders and enduro competitors seeking a dependable machine. These alternatives provide a range of options for those interested in vintage off-road motorcycles, each with its unique strengths and characteristics

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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