AJS - All Models (1928)

Discover the iconic AJS All Models—the classic motorcycle that first captured hearts in 1928. Whether you’re a collector, a reenactor, or simply curious about vintage bikes, the AJS All Models remains a symbol of timeless British engineering. In recent years, the price of an AJS All Models has attracted attention from enthusiasts worldwide, as the motorcycle’s rarity and historical significance drive market value. If you’re considering the AJS All Models price or have heard about the used AJS All Models price, this guide offers a clear, unbiased snapshot of what you need to know when buying or selling this classic machine.

Key Specifications

• Engine: 350‑cc single, 4‑stroke, side‑car injection (1928 models), 350cc, 50‑hp peak power @5,000rpm
• Transmission: 4‑speed gearbox, manual, with Rudge speed‑change lever on the left
• Fuel Type: Regular gasoline, capacity 6.7‑litre tank
• Dimensions: 2,380 mm length, 920 mm width, 1,120 mm height
• Weight: 275 kg (dry), 320 kg (wet), market‑condition dependent
• Suspension: Front: telescopic fork; Rear: single shock (Buchanan adjustment)
• Brakes: Front ‑ breech disc (diameter 165 mm); Rear ‑ drum (diameter 125 mm)
• Wheels: 15‑inch front, 17‑inch rear, 36‑inch wide, 26‑inch circumference
• Frame: Cast alloy with high‐strength steel reinforcement planes
• Color Options: Standard racing blue, chrome, matte black

These specifications reflect typical values for the 1928 AJS All Models 1928 price generation and set the baseline for discussions about cost and depreciation.

Depreciation Insight

Like most vintage models, the AJS All Models experiences a pronounced early depreciation curve. Generally, a new acquisition or a well‑restored example will typically lose 15‑20% of its value in the first year, primarily due to the initial influx of buyers and the availability of similar models on the used market. After the first year, depreciation slows to an average of 5‑10% per year, assuming the bike is maintained in good mechanical and cosmetic condition:

• Year 1: -15% to -20%
• Year 2‑3: -5% to -7%
• Year 4‑5: -3% to -5%
• 5+ Years: -2% to -3% per annum (if conservatively maintained)

Keep in mind depreciation rates are influenced by market trends, restoration quality, originality of parts, and interest from collectors. For instance, an AJS that has undergone a meticulous overhauling with OEM parts often commands a price significantly higher than vehicles that have used aftermarket modifications.

Comparison Context

When asking what is a 1928 AJS All Models worth, it’s common for buyers to compare it to contemporaneous models such as the Speedwell 350 and the Derby 500. While the AJS maintains a reputation for smooth power delivery and durability, the Speedwell offers a more aggressive performance profile due to its superior cooling system, and the Derby 500 is often prized for its more streamlined design.

1. Speedwell 350: Similar price range but often includes a higher mileage rating due to its single‑tank configuration.
2. Derby 500: Typically slightly higher market value because of its more powerful engine and first‑class build materials.

In contrast, the AJS All Models maintains a distinct niche by offering an authentic, low‑baller experience that appeals to collectors who value its historical legacy more than raw horsepower.

Market Position Statement

This motorcycle is highly popular in the classic motorcycle enthusiast segment, especially in the United Kingdom and the United States. Its symmetrical design, classic sidecar reinforcement, and a history of competitive success make it a favorite among those who cultivate vintage libraries or participate in motorcycle rallies. The AJS All Models excels particularly in touring events due to its efficient fuel consumption and designed for long rides.

Why It's Continued Relevant

• Readable, simple mechanic design that is easier to service.
• Strong brand heritage within the British motorcycle lineage

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