My first thought was liquid grease from the steering rack. If its thick and oily to the fingers that will be it. It will be coming from a split or leaking gaiter (had both these faults on mine, both fixed under warranty) and settles on the centre under part of rack.

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If one of the gaiters are split suggest getting hold of these and asking your dealer to replace with same under warranty. If he agrees ask for the MMC replacements he won't have used. Inferior but handy as a spares.


Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone