Carburettors and ignition
Classic Guzzis run best when the carburettors are balanced and the ignition timing is right. Bikes that have stood often need their jets cleaned before they'll idle properly.

Servicing, recommissioning and restoration for every Le Mans, in Greenwich
Ray Petty Meccanica services, recommissions and restores the Moto Guzzi Le Mans at its workshop in Greenwich, London, from the original 850 Le Mans Mk I to the Mk V. Ray has worked on classic Italian motorcycles for 35 years, and Le Mans owners trust us with bikes that are now true classics.
The Le Mans arrived in 1976 and became one of the great Italian sports bikes of its era: a shaft-driven, transverse V-twin with a character all of its own. Surviving bikes are now between 30 and 50 years old, and they need someone who understands them.
From regular oil services to carburettor set-up, engine rebuilds, full recommissioning and restoration, we look after your Le Mans from start to finish, using genuine and quality replacement parts.
“Ray took the time to answer 2 calls from me, one before buying a 1977 Moto Guzzi Le Mans Mk1 and the other after purchasing it. [...] FREE advice and turning away business are rare traits these days.”
Tell us which Mk, when it was last serviced and what it needs, and we'll take it from there.
Classic Guzzis run best when the carburettors are balanced and the ignition timing is right. Bikes that have stood often need their jets cleaned before they'll idle properly.
Le Mans that have been laid up need fresh fluids, fuel system cleaning, brakes overhauled and tyres replaced by age. We'll recommission yours properly.
From a sympathetic refresh to a full ground-up restoration. See restoration.
All of them: the 850 Le Mans Mk I, Mk II and Mk III, and the 1000cc Mk IV and Mk V, along with other classic Moto Guzzi twins. See Moto Guzzi servicing.
Yes, and we'll do it free of charge. See pre-purchase inspections.
The most common cause is gummed-up idle jets from fuel left in the carburettors. Cleaning and setting up the carburettors usually cures it, but we'll check the fuel system and ignition too.
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Call, email or call in to the workshop in Greenwich.