| Year | Piston mass (g) (average) | Compression ratio | Common alloy | |------|---------------------------|------------------|----------------| | 2020 | 185 | 15.5:1 | 2618 Al | | 2022 | 177 | 16.2:1 | 2618 + ceramic | | 2025 | 168 | 17.0:1 | Metal matrix composite |
The is more than a list of prices; it is a technical bible for engine builders. Whether you are looking for a standard replacement for your Honda Beat or a big-bore kit for your Yamaha RX King, FIM provides a systematic, color-coded guide to ensure you get the exact piston geometry required. katalog piston fim
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The Fédération Internationale de Motocyclisme (FIM) enforces stringent technical regulations to ensure fair competition and safety in motorcycle racing. A critical component subject to these rules is the piston, whose design directly affects engine performance, reliability, and compliance. This paper introduces and analyzes the Katalog Piston FIM – a structured database and classification system for pistons approved for use in FIM-sanctioned events. We examine the catalog’s organization, material specifications, dimensional standards, and homologation process. The study highlights how the catalog supports technical inspectors, teams, and manufacturers by providing transparent, comparable piston data. A case study from MotoGP illustrates the catalog’s role in detecting non-compliant components. We conclude that the FIM Piston Catalog enhances technical fairness, reduces development ambiguity, and contributes to engine safety at high RPMs. By codifying piston specifications
: Common pin sizes like 13mm , 14mm , or 15mm are clearly specified to ensure proper fitment with the connecting rod.
The Katalog Piston FIM is an indispensable technical document that balances innovation with fairness in motorcycle racing. By codifying piston specifications, it supports both competition integrity and engine safety. Future versions could integrate real-time digital passports using blockchain for tamper-proof tracking. For now, the catalog remains the definitive reference for scrutineers, engineers, and teams across FIM championships.