|Founded||1961 as "Casal irmãos e Companhia", later "Veículos Casal"|
|João Francisco do Casal|
Metalurgia Casal was the largest Portuguese motorcycle manufacturer, based in Aveiro. It was founded in 1953 and its first products included agricultural engines. Business leader João Casal met representatives of Zündapp at a trade fair in Hanover in the early 1960s, and then started to build mopeds with Zündapp engines. From 1966 he made his own engine, the Casal engine, which is a modified copy of the Zündapp, to be built in many variants. The first all-Casal model was the four speed 50 cc scooter Casal S170 Carina. Casal expanded the production to ordinary mopeds and motorcycles. The first was called K181. In the early-1970s Casal began to export their products, for example to the UK, Netherlands, Denmark and Sweden. Car production was also planned, but not realised. As the increased purchasing power in their home country Portugal, their most important market, slowed down the sales of mopeds, bankruptcy was a fact in February 2000. In connection with this, unfortunately, parts of the company's archives were destroyed. Today it operates as a Suzuki representative in Portugal.
Some Casals has survived in their home country Portugal, but also for example in Sweden, where the Swedish type K190 is quite common with collectors. Casal also build the Casal RZ 50, some of this models where chosen to be modified " bore out up to 92cc or even use the 125cc barel port polished to achieve incredible performance. Motoplat ignicion and all the types of carbureturs the best to use being the 32mm flat with bored jets, with lightned balanced crack, rod and piston. The best exhaust was hand built by a local guy using his one bike as test bench, his bike would give a run to the Suzuki RGV 250 or some other 600cc 4 stroke bikes up to 180kph.
In 1980 Jan Nijhuys took a 1/4 mile record with a Casal Sparta Plompen. Quarter mile was covered in 15,26 seconds and record speed after 402m where 94.29 km/h.
In 1981 the Dutch Jan Huberts bettered the 50cc speed record with a HuVo-Casal to 224 km/h.
To become competitive, Casal made a partnership with the Dutch company HuVo.
- 50cc Road Racing History http://www.elsberg-tuning.dk/recordbikes.html
- Rebuilding a 1975 Casal K166 Moped http://david.szego.me/blog/?p=23
- Casal on the Portuguese reference motorcycle brands database website "Motos de Portugal" http://motosdeportugal.com/en/brands/casal
- Robert M. Croucher, "The Observer Book of Motorcycles", Warne, London (1980)
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