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Four-stroke class to replace 125

At a meeting of the Grand Prix Commission during this weekend's Czech Republic Grand Prix at Brno, it was confirmed that the 125cc class - the only two-stroke category remaining - will also be replaced by four-strokes from 2012.

Unlike Moto2, the four-stroke class that replaced 250cc at the start of this year, the new Moto3 championship will not have a single engine supplier.

125cc is the last category remaining from the inaugural 1949 World Championship season.

The statement read:

"Application 2012

"The 125cc class will be replaced by the Moto3 class.

"The basic technical rules of this class are:
- single cylinder 250cc 4-stroke engines with a maximum bore of 81 mm.
- each engine should last for 3 races minimum and cost not more than 10,000 € (final cost will be announced)
- each manufacturer if required should be ready to supply a minimum of 15 riders.

"This proposal has been agreed by the majority of MSMA."

The premier grand prix class changed from 500cc (two-strokes) to MotoGP (four-strokes) in 2002.


Tagged as: 125cc , Moto3

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oldtimer

August 15, 2010 2:26 PM

While I will be sorry to see the end of the 125 2strokes, the 250 4stroke is the logical replacement. With MotoGp going to 1000cc 4cylinder it will make engine development and manufacture easier, all we need then is for Moto2 to go 500cc twins!.The manufactures could have a modular design for all three classes to keep costs down.

Brian Clark - Unregistered

August 15, 2010 6:10 PM

Will be interesting to see final configuration, i.e how many gears etc. There must still be some quick single cylinder DOHC engines, though probably with more than 6 gears, about from the 60s. i.e MV, Morini, Mondial, horizontal Moto Guzzi etc which where damn quick in their day, which could form the basis of a new generation of motors. :blush: :D :rolleyes:



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