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- Ducati 851 S (1 offer)
Ducati 851 S classic bikes for sale
The Ducati 851 S stands out as a pivotal superbike from the 1990s, valued for its technical innovation, limited production numbers, and significance for collectors. This model introduced advanced components and is now recognised with historic registration and certification. Discover more about its unique history and features below.
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1990 | Ducati 851 S
Ducati 851 Superbike SP2 with Only 285 km!!! Delivery mileage, Number 53 of 380, collectors item, stunning bike in new condition
Ducati 851 S listing references from Classic Trader
Below you will find listings related to your search that are no longer available on Classic Trader. Use this information to gain insight into availability, value trends, and current pricing for a "Ducati 851 S" to make a more informed purchasing decision.
1990 | Ducati 851 S
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1990 | Ducati 851 S
851 S3
1989 | Ducati 851 S
1988 | Ducati 851 S
c.1988 Ducati 851 'Superbike Kit' 851cc
1990 | Ducati 851 S
DUCATI 851 851 Superbike Strada (1990)
1990 | Ducati 851 S
DUCATI 851 KIT Giocamoto
1991 | Ducati 851 S
<p>PRESENTE PAD. 26 - FIERA BOLOGNA - 24-27 OTTOBRE</p>
1990 | Ducati 851 S
DUCATI 851 KIT Giocamoto
1990 | Ducati 851 S
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1989 | Ducati 851 S
1989 Ducati 851 Raymond Roche Replica 851cc
1991 | Ducati 851 S
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1990 | Ducati 851 S
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Ducati 851 S Classic Motorbikes: Prices & Market Values
The market value of Ducati 851 S motorcycles is primarily determined by technical condition, originality, and mileage, as well as rarity, history, and documentation. A well-maintained, largely original vehicle with low, verifiable mileage and a complete history including expert reports and documentation generally achieves significantly higher prices than a comparable vehicle with deferred maintenance, extensive modifications, or an unclear provenance.
Ducati 851 S: Market Prices & Value Trends
Based on Classic Trader marketplace sales data from May 2021 to December 2025, the Ducati 851 S market in Europe looks broadly stable with a slight firming in “good, usable classic” pricing, while top-end asking figures remain highly variable. Most recorded prices cluster in the mid four-figures to low five-figures, reflecting that condition, originality and documentation matter more than small differences in stated power output. A realistic market range for a typical 1989–1991 Ducati 851 S is approximately £7,000 to £12,500, with many examples changing hands around the £10,000 mark. There are also occasional low entries near £5,000–£6,000 and isolated high outliers above £19,000 (and one extreme figure), which should not be treated as representative of the wider market. Recent German and Italian entries dominate the dataset, suggesting most supply and price discovery is currently continental. For buyers, this means fair opportunities still exist, but strong, original bikes are increasingly supported by the 851’s growing collector appeal as a landmark Ducati superbike.
History of the Ducati 851 S
The Ducati 851 S represents a breakthrough in the evolution of Italian superbikes during the early 90s. Developed as a formidable successor to Ducati’s previous racing and sport models, the 851 S brought the desmodromic V-twin engine into the modern era with water cooling and fuel injection, solidifying Ducati's dominance in international superbike competition. The model quickly gained recognition for revolutionising Ducati’s presence both on the road and racetrack, being approved for historic registration owing to its status and impact. Each unit reflects Ducati's focus on technological progress and competition-driven development.
Model History
The Ducati 851 S originated from Ducati’s push to re-establish itself in top-tier racing. As the successor to earlier air-cooled twins, the 851 S was a bridge to subsequent models like the 888, which further refined its formula. Production was extremely limited; just 1,366 examples of the first series featuring Marzocchi M1R forks were built. The 851 S3 Biposto variant extended the concept to two-seat versatility while maintaining racing credentials. Later models and special editions drew on technology pioneered in the 851 S, marking it as a step-change in Ducati’s superbike lineage.
Highlights of the Ducati 851 S
One of the most significant features of the 851 S is its limited production, making each example remarkably rare. The 851 S3 Biposto variant further enhanced usability without compromising performance. In addition, all 851 S models equipped with Marzocchi M1R front forks stand out for their superior road feedback and handling. Many units are recognised as historically significant and often receive certification such as the ASI certificate, underscoring their collector appeal.
Technical Data
Special Editions and Collectible Models
Special mention goes to the 851 S3 Biposto variant, which combines all the advanced technology of the 851 with a two-seat configuration, making it both practical and true to its racing roots. The first series, limited to 1,366 units with Marzocchi M1R forks, is notable for its exclusivity and mechanical specification. Both models are often supplied with certificates of historical relevance, such as the ASI certificate.
Engine and Performance, Transmission and Handling
The 851 S stands out for its precise engine response and robust V-twin performance. Desmodromic actuation ensures consistent valve timing at high revs. The Marzocchi M1R forks fitted to early series bikes offer exceptional feedback and stability, a significant advantage in both road and sport settings. The 851 S3 Biposto maintains similar characteristics while accommodating a passenger, a rarity among performance-focused Ducati models. The most notable models include the first series with Marzocchi forks and the 851 S3 Biposto variant, both prized for their technical features and limited production.
Interior, Comfort, Exterior and Design
Designed with a focus on racing performance, the 851 S features a fairing optimised for both aerodynamics and engine cooling. The use of lightweight materials contributed to agility and handling. The distinctive frame, suspension setup, and dual-seat option in the S3 Biposto are important design details. The availability of original colours and components enhances authenticity for collectors. Optional historic accessories and certificate documentation (ASI or equivalent) highlight both styling and provenance.
Other noteworthy details
Many Ducati 851 S examples are delivered with documentation attesting to their historical significance, allowing for classic vehicle registration according to regional regulations. Such documentation, including the ASI certificate, increases both recognition and authenticity in the collector community.
Summary
The Ducati 851 S is an advanced and rare superbike rooted in racing success and technological innovation. With just 1,366 produced in the initial run and special recognition through historic certifications, this model is highly sought after among enthusiasts seeking genuine performance motorcycles with verifiable history and unique specification.