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Direct Injection 2 Stroke

OPOC 2 stroke direct injection

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#1 shane_KLX

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Posted 12 June 2012 - 07:47 PM

When do you think we are going to see the first direct injection two stroke dirt bikes ? Most of the major car manufacturers have 2 stroke car motors in development (the Chrysler neon was supposed to come out with a two stroke engine) Toyota has a 2.3 lt straight six 2 stoke engine that makes the same power as a 454 V8, BPR make direct injection 2 stroke engines snow mobiles and boat motors and KTM now have fully working designs that they are not going to produce until the euro 3 emission's laws kick in.
These engines have more power than ever, the emission's are lower than a 4 stroke and better fuel economy, cheaper to build, lighter, and no more mixing oil and fuel with oil being directed where its needed only.

The reason i started this topic was i comment i read on a web site saying that "2 strokes are dead because they were at the end of development and that 4 strokes are at the start" but it seems to be the opposite all the "new" things that come out on 4 stroke dirt bikes has been developed years ago, the germans had fuel injection in there fighter planes in WWII and its only become mainstream in bikes in the last decade , its all stuff developed in cars finally coming to bikes.

I think 2 stroke were cut well short of there potential, what happened to Honda EXP-2 system? i also read an article where Bill gates has put 23 million into 2 stroke engine development (OPOC engine)

E-TEC Engine Technology for Ski-Doo Snowmobiles


Honda EXP-2
http://www.motorcycl...exp2-14293.html

Bill Gates OPOC Engine
http://www.twowheels...wo-stroke-bikes
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#2 shane_KLX

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Posted 12 June 2012 - 08:28 PM

http://desflurane.wo...-2t-discussion/
Looks like KTM will be the first!
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#3 dirtpilot

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Posted 12 June 2012 - 08:31 PM

Ossa has already made one.

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#4 Lesc

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Posted 12 June 2012 - 08:34 PM

Ossa did it a little while ago!!!

http://www.ossamotor...m.au/TR280i.htm

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#5 shane_KLX

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Posted 12 June 2012 - 08:43 PM

Doesn't the ossa squirt into the crankcase which would make it injected not direct injected?
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#6 Paul B

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Posted 12 June 2012 - 09:04 PM

Athena have 1. Rumour is that it is the 2014 husky motor. But may only be rumour.


Sorry no DI 2 strokes for KTM in 2013.
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#7 shane_KLX

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Posted 12 June 2012 - 09:26 PM

That athena bike has some power for a 50cc
The E-Tec engine on the snow mobile cuts of the exhaust port and injects that would get you almost 100% efficiant charge i think normally you lose 30% through the port if you could do that on a dirt bike it would have some serious grunt as well as a lot cleaner. the ossa from what i can tell has two injectors in front of the reeds which would still lose alot of the fuel air mix through the exhaust port.
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#8 JayTeamBlue

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Posted 13 June 2012 - 05:59 PM

Very interesting Shaneo

#9 Paul B

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Posted 13 June 2012 - 06:40 PM

Husqvarna enduro-offensief 2013 Posted Image Posted Image

Posted Image
In 2011 veroverde Husqvarna vier van de zes endurowereldkampioenschappen. In de twee belangrijkste enduroklassen E1 en E2 werd het individuele kampioenschap (met Juha Salminen en Antoine Meo) plus het merkenkampioenschap veroverd. Dat maakt Husqvarna een enduromerk bij uitstek. Om dat in de toekomst ook in de verkoopcijfers weer tot uitdrukking te laten komen, krijgt de hele enduro-lijn van Husqvarna voor 2013 een zeer grondige update.

Op 21 en 22 juni aanstaande worden de nieuwe 2013-modellen gepresenteerd in het Italiaanse Malpensa. Exclusief voor Noppennieuws licht Husqvarna vast een tipje van de sluier op. Als wereldpirmeur tonen wij u hier de allereerste foto's van de nieuwe TE449 en de nieuwe WR250.
Posted Image
De WR250R is een nieuw geconstrueerde tweetakt. Deze zal in 250 en 300 cc uitvoering op de markt gebracht worden. Het blok is totaal nieuw en de geruchten spreken van een directe injectie van de benzine in de cilinder, maar het kan ook zijn dat dat item pas in 2014 op de productiemachines zal komen en dat de WR in 2013 nog met carburateur geleverd gaat worden.
Bij de TE449R is afscheid genomen van het BMW-blok. Husqvarna heeft nu zelf een nieuw blok ontwikkeld, een kruising tussen hun oude TE450 (die het onder meer in de Supermoto zo goed heeft gedaan met vele wereldtitels) en de zo succesvolle TE250/TE310 X-light. Daarom krijgt de TE449 ook de nickname 'X-Light' mee. Naast dit grote nieuws worden ook de huidige TE250 en TE310 flink opgewaardeerd. Deze twee modellen krijgen beide de compleet nieuwe cilinderkop met de rode kleppendeksel, afkomstig uit de MX2-GP's. De nieuwe typeaanduiding wordt dan ook TE250R en TE310R.

Translation:
2013 Husqvarna Enduro-offensive In 2011, captured four of the six Husqvarna enduro world championships. In the two main classes Enduro E1 and E2, the individual championship (with Juha Salminen and Antoine Meo) plus the constructors' championship won. That makes an enduro Husqvarna brand par excellence. To put that in the future reflected in the sales figures to come get the whole line of Husqvarna Enduro for 2013 a very thorough update. On 21 and 22 June 2013, the new models presented in the Italian Malpensa. Exclusive for News Noppen light Husqvarna fixed a corner of the veil. If wereldpirmeur we show you here the first pictures of the new TE449 and the new WR250. The WR250R is a newly constructed two-stroke. This will in 250 and 300 cc implement to be placed on the market. The block is totally new and rumors speak of a direct injection of gasoline into the cylinder, but it may be that that item only in 2014 the production will come and that the WR in 2013 still will be supplied with carburetor. The TE449R is goodbye to the BMW block. Husqvarna has now developed a new block itself, a cross between their old TE450 (which include the Super Moto has done so well with many world titles) and the hugely successful TE250/TE310 X-light. That is why the TE449 also the nickname 'X-Light it. Besides this great news will also be present TE250 and TE310 significantly upgraded. These two models both get the all-new cylinder head with the red valve cover, from the MX2-GP. The new type designation is therefore TE250R and TE310R.

Offical press launch of the 2013 range is on the 18th june, be interesting to see how much (if anything) of this is true.
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#10 RenascentMisanthropy

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Posted 18 June 2012 - 11:38 PM

The reason i started this topic was i comment i read on a web site saying that "2 strokes are dead because they were at the end of development and that 4 strokes are at the start"


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#11 egg cr500

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Posted 25 June 2012 - 04:53 PM

There is a CR500 on youtube thats been injected
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#12 Bandicoot

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Posted 25 June 2012 - 05:31 PM

There is a CR500 on youtube thats been injected


Maybe this Egg

http://www.dirtrider...me-have-a-look/

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#13 egg cr500

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Posted 25 June 2012 - 05:42 PM

Maybe this Egg

http://www.dirtrider...me-have-a-look/


Yeh thats the one :)
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#14 shane_KLX

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Posted 25 June 2012 - 05:44 PM

Yep that's injected and did you here him say they may look at direct fuel injection for it.
Current Bikes KLX 450, KDX 200
Old Bikes: Mx80,Dt100,kx80,Yz125,kx125,kdx 200





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