MotoGP » Moto3 ECU supplier named

Dell'Orto wins Moto3 ECU contract.

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March 16, 2011 7:48 AM

Would love to get some tech specs to see what kinda power figures and performance we can be expecting from these little monsters!

Comparison with 125 would be interesting as well.

Anyone know where such a page could be found?javascript:insertTextCursor('comment',%20':?')


March 16, 2011 9:38 AM

Yes, it is a shame to see the death of 2 stroke in GP but it's for the best.
For the last few seasons 125 (and 250)has been at the mercy of Aprilia.
If you didn't have a factory bike Aprilia/Gilera then you were nowhere.
With Moto3 I'm hoping that the field will be a lot more level and with cheaper racing the future should be more rosey for the smallest GP class.

bucksboy - Unregistered

March 16, 2011 10:25 AM

Horsepower (how much): this will depend on the state of tune, but we know the bore size (81mm), so based on 1bhp/cm2 of piston area*, 52bhp would be the likely output. Using another yardstick, at 15bhp/litre/1000rpm, 15 x 0.25 x 14 (max. allowable rpm is 14k according to the specs) would give the same 52bhp output.
(*e.g. same as the Ducati 1098R)

johnnyoza - Unregistered

March 16, 2011 10:35 AM

In Ireland and a few other places they run the 450's with the 125's and they about the same speed.The 250's will be very much slower and so much more unreliable.Ask anyone who runs a four stroke 250 motocross bike.Costs wont go down .

two-stroke fan - Unregistered

March 16, 2011 10:42 AM

This is a load of tosh. If they were 1/2 serious about reducing costs and increasing competitivenes then they'ed commision a couple of hundred sealed Honda RS125 engines for a couple of grand a piece, the same spec as you or I would buy, and teams would build a chassis around it.

I wonder if they'd be allowed to use crankcase supercharging like my 28cc model aeroplane 4-stroke uses?


March 16, 2011 12:04 PM

Moto3 isn't single make, so it's not up to Honda to produce RS125 engines.
Like it or not, 4 stroke is the way forward- unless someone perfects 2 stroke direct injection?

2 strokes can't get though ever tightening emission regs, so there is little point further developing 2 stroke engines- that's why we have 250cc 4 strokes.
Who knows? Maybe we'll one day see Moto3 replicas on the street?
130kg and 40 bhp? King of cornering!

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