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MCNews

Bernard Droulhiole’s monocoque chassis meets TZ350 motor

Moraco-Droulhiole 354 development racer

Phil Aynsley by Phil Aynsley
July 10, 2021
in Features

Moraco-Droulhiole 354 development racer

With Phil Aynsley


Every so often a bike comes along that is completely unknown to me (and I would hazard, to most). The Moraco-Droulhiole is one of those.

The Moraco-Droulhiole 354 cc development racer

Frenchman Bernard Droulhiole patented his monocoque chassis (although he referred to it as “polycoque”) around 1970 and it was soon used by the Maingret brothers to house a slightly enlarged (354 cc) Yamaha TZ350 motor as their entry into the 500 cc GP class.

In 1974 their riders were Patrick Pons and Christian Bourgeois. Pons placed fourth at Spa for the team’s best result. Bourgeois did finish third at the French GP in the 350 race – presumably not with the 354 cc motor fitted!

Moraco-Droulhiole TZ350 based development racer

The chassis weighed just 7.35 kg with the bike’s dry weight being 103 kg, while power was 64 hp at 10,000 rpm.

This bike was only raced four times, being mainly used as a development machine. Four other bikes still exist of the six made in total.

PA-Moraco-Droulhole-352-007
PA-Moraco-Droulhole-352-015
PA-Moraco-Droulhole-352-014
PA-Moraco-Droulhole-352-013
PA-Moraco-Droulhole-352-012
PA-Moraco-Droulhole-352-002
PA-Moraco-Droulhole-352-011
PA-Moraco-Droulhole-352-010
PA-Moraco-Droulhole-352-009
PA-Moraco-Droulhole-352-008
PA-Moraco-Droulhole-352-006
PA-Moraco-Droulhole-352-005
PA-Moraco-Droulhole-352-004

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Tags: Bernard DroulhioleChristian BourgeoisDroulhiolePhil Aynsley
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Phil Aynsley

Phil Aynsley

Phil Aynsley sadly passed away in 2023 after a life spent travelling the world photographing many of the rarest and most beautiful motorcycles ever made. We are proud to continue showcasing his catalogue of work on MCNews.com.au.

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