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 Moto3 Officially Killing Two-Strokes in 2012

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akuNabil
Tokey Moto
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PostSubject: Moto3 Officially Killing Two-Strokes in 2012   Thu Nov 04, 2010 10:38 am

The technical revolution in MotoGP will be completed in 2012 when the current 125cc two-strokes are banished in favour of a 250cc four-stroke single-cylinder world championship called Moto3, MCN can reveal.

Discussions have been taking place for several weeks now on plans for the new class, which would end the two-stroke Grand Prix racing era for the first time since the world championship’s inception in 1949.

MCN sources confirmed the new class will not replicate the current 600cc four-stroke Moto2 class and be a controlled Honda engine, even though the Japanese factory patented a reverse single cylinder four-stroke last year, as was revealed in MCN.

MCN understands Honda is already working on a 250cc four-stroke single motor that has been fitted into a race RS125 chassis for initial testing at the Twin Ring Motegi circuit in Japan.

It’s understood that with minimal development work, the bike was 1.5s faster than a Grand Prix 125GP machine at the venue for the Japanese Grand Prix.

The Moto3 class will be multi-engine with prototype chassis and is designed to provide a cheap alternative to the current 125cc two-stroke format.

There are fears that the 125 class entry could be seriously impacted by the huge popularity of the new Moto2 class.

The 250cc two-stroke replacement series has a bumper entry of 40 bikes, but most 125 teams want to be part of the series because of the increased exposure.

A source said: “Some 125 teams want to be in Moto2 and some Moto2 teams are struggling with the budget to remain in the class. With Moto3 it will help create a healthy entry in both classes.”

The Japanese already have a domestic national series for motocross-based 250cc four-stroke cylinder engines in a road racing chassis.

And there is even a production racer by tuning experts Moriwaki called the MD250H that uses a modified CRF250 engine in an alloy beam chassis.

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akuNabil
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PostSubject: Re: Moto3 Officially Killing Two-Strokes in 2012   Thu Nov 04, 2010 3:24 pm


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rs125
naik moto 50cc
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PostSubject: Re: Moto3 Officially Killing Two-Strokes in 2012   Thu Nov 04, 2010 6:12 pm

tak mau tengok la kalau bukan 2 stroke lagi

the sound not nice
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DesertGoon
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PostSubject: Honda NSF250R   Sat Jun 04, 2011 10:48 am





Engine: Liquid-cooled 4-stroke DOHC Single
Displacement: 249.3cc
Bore/Stroke (mm): 78.0×52.2
Maximum power(kW/rpm): 35.5/13,000
Maximum torque (Nm/rpm): 28.0/10,500
Transmission: Six-Speed Constant mesh
Gear Ratio: 1st 1.875; 2nd 1.524; 3rd 1.304; 4th 1.167; 5th 1.077; 6th 1.000
Frame: Aluminum twin tube
Wheelbase (m): 1.219 (48.0 in.)
Ground Clearance (m): 0.107 (4.21 in.)
Seat Height (m): 0.729 (28.7 in.)
Caster Angle (degrees) :22°36″
Curb Weight (kg) : 84 (185.2 lbs)
Fuel Capacity (l): 11 (2.9 gal.)
Fueling: PGM-FI
Ignition: Full-transistor
Clutch: Wet multiplate
Tire Size: Front: 90/580R17
Rear:120/600R17
Rim Size: Front 2.50-17; Rear 3.50-17
Brakes: Front - Hydraulic disc - Diameter: 296
Rear: Hydraulic disc - Diameter 186
Suspension: Front: Inverted telescopic fork
Rear: Pro-link suspension system

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DesertGoon
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PostSubject: Re: Moto3 Officially Killing Two-Strokes in 2012   Sat Jun 04, 2011 11:00 am

Alex Criville, Honda NSF250R Moto3, Circuit de Catalunya








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zynox
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PostSubject: Re: Moto3 Officially Killing Two-Strokes in 2012   Sat Jun 04, 2011 6:52 pm

camera belakang 2...

die xde telemetri so kene ade visual untuk analisis trotel respon by rider?? Laughing
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