Classic Van Auction Talk

Sunday 1 February 2015

1970 AERMACCHI 433 CM3 ALA D'ORO REPLICA - BONHAMS Les Grandes Marques du Monde au Grand Palais

"CROSSING THE BLOCK"
Featuring
 Les Grandes Marques du Monde au Grand Palais
5 Feb 2015, starting at 10:30 CET with lot 1.
A rare foray into the world of two wheels or today's Classic again from the catalogue of Bonhams Les Grandes Marque Sale during Retromobile.
1970  AERMACCHI 433 CM3 ALA D'ORO REPLICA
 Aermacchi 433 cm3 Ala D'Oro Replica 1970 Frame no. 250882 Engine no. 190688 
 Frame no. 250882
Engine no. 190688
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This Ala d'Oro replica has been constructed around a restored roadster frame acquired from an ex-racer from Santo Stefano Ticino near Milan (the VIN plate is still in place). The fork, yokes and brakes are original Ceriani, and the shock absorbers are original Girling. All nuts and bolts are correct and the rev counter is an original period Veglia. The engine incorporates 350 Aermacchi crankcases, upgraded with an additional ball bearing as in the original Ala d'Oro, which have been modified to accept an 82mm bore cylinder. Lightened and balanced, the 350 Ala D'Oro crankshaft has a stroke of 82mm, giving the engine a capacity of approximately 433cc. The camshaft, forged connecting rod, magnesium engine side cover and dry clutch are all Ala d'Oro components.

Other noteworthy features include twin-plug ignition, a Dell'Orto SS42 carburettor and an up-rated gearbox. The latter's intermediate gears are stronger components from an AMF Harley-Davidson 350SS, necessitated by the enlarged engine's increased power. First and fifth gears are original. Completed in the 2011, this beautiful Ala D'Oro replica has had only two 'shakedown' outings and has never been ridden on a racetrack.
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