What is the engine displacement of the 2004 GAS GASSM 450?

The 2004 GAS GASSM 450 has an engine displacement of 399.0 ccm (24.35 cubic inches).

How much does the 2004 GAS GASSM 450 weigh?

The 2004 GAS GASSM 450 has a dry weight of 105.0 kg (231.5 pounds).

What is the seat height of the 2004 GAS GASSM 450?

The 2004 GAS GASSM 450 has a seat height of 900 mm (35.4 inches) If adjustable, lowest setting..

2004 GAS GASSM 450 Price, Specs, Review

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Review

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The 2004 GAS GAS SM 450 offers a raw and engaging supermoto experience. Powered by a 399cc engine and featuring a 6-speed gearbox, it prioritizes nimble handling and punchy acceleration. Its lightweight design, tipping the scales at just 105 kg, contributes to its agility on the road or track. The 900mm seat height provides a commanding riding position, offering good visibility and control. Equipped with a Marzocchi inverted fork at the front and a single disc brake, this bike delivers responsive suspension and confident stopping power. The 9.5-liter fuel tank provides a reasonable range for shorter rides, while the overall design emphasizes simplicity and performance. It's a machine built for riders who appreciate the direct connection to the road and the thrill of cornering. This supermoto is best suited for experienced riders seeking a focused and engaging experience. Its lightweight chassis and responsive engine make it a fun choice for carving up twisty roads or honing skills on the track. While it may lack some of the creature comforts of modern bikes, it offers a pure and unfiltered riding experience that's sure to put a smile on your face.

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Pros (Advantages)

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✅ Why buy this bike?

• Lightweight and nimble chassis provides excellent agility and handling on technical trails. • Powerful 399cc engine offers strong low-end torque for climbing and quick acceleration. • Robust components and build quality from Gas Gas ensure durability in demanding off-road conditions. • Proven two-stroke engine design is relatively simple to maintain for experienced riders. • Good suspension travel and adjustability for tackling varied terrain effectively. • Often more affordable on the used market compared to contemporary four-strokes, offering great value.

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Cons (Disadvantages)

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⚠️ Things to consider

• Two-stroke engine requires pre-mixing fuel and oil, which can be inconvenient. • Can be more challenging to ride smoothly for beginners due to the 'hit' of the two-stroke powerband. • Emissions are higher than modern four-strokes, potentially limiting access to some riding areas. • Parts availability for a 2004 model might be dwindling compared to newer bikes. • Vibration levels can be higher than a four-stroke, leading to rider fatigue on long rides.

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License Class (EU)

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Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.

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Fuel Economy & Running Costs

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Estimated average for 399cc class: 45-60 mpg (4.0-5.5 L/100km)

⛽ Tank: 9.50 litres (2.51 US gallons)

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Insurance Class

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Insurance grouping for GAS GASSM 450 (399cc):

📋 Group 8-15 — mid-range

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Insurance Calculator (UK est.)

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Personalised premium estimate for the GAS GASSM 450 (UK rates):

💡 Estimate based on UK market averages. For real quotes, compare on Compare the Market, MoneySuperMarket, GoCompare.

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Buy New & Used

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Find new and used GAS GASSM 450 2004 listings:

🛒 eBay Motors 🏍️ Cycle Trader 🇬🇧 Auto Trader UK 🔍 Google Listings

💡 Third-party listings. MotoBike Info is informational only.

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

GAS GASSM 450

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