We want to see photos of your new bike!! Is it really a 2010 model?

Where do you live? Have you ridden it yet?

Inquiring minds would like to know!

Heres an essae about emerging 2t technology.
Its long and sometimes very technical, but candy for the soul.
http://www.dirt-bike-tips-and-pics.com/future-of-two-strokes.html

In regards to this statement;
“Regarding direct-injection 2 strokes. I have been patiently waiting for years now to see a mass produced DI 2 stroke, and I can’t figure out what the delay is. On one hand, Aprilia has offered the 50cc Ditech scooter for over a decade so I thought maybe the direct-injection system only works on small engines. Yet Evinrude has produced 3.1 liter V6 outboard engines with DI for over a decade also so it can’t be a size thing. My guess is that the patent holders to the DI technology have made the licensing prohibitively expensive, whereas 4 stroke patents all expired over 50 years ago.”

You along with many others are waiting the release of direct injection two stroke engines. I was wondering what the delay is as well, since DI is available on outboards, snowmobiles and scooters and not on MX machines.

Then it hit me, for those applications throttle control is not nearly as important as motocross. For the most part in those applications they just accelerate up to full speed and run there. An MX bike accelerates , slows down, accelerates, etc, etc.

We have heard first hand accounts of riders testing fuel-injection on two strokes, these folks were sworn to secrecy by the respective manufacturers and would not even confirm if they were FI or DI. But they did say they are testing them and they work really well.

The patents for the DI system are held by Orbital in Australia. I have heard some crazy numbers bandied about when the cost of licensing is brought up. This may indeed be the hurdle keeping these machines off the showroom floor.

My guess is that the manufacturers working on this technology want to ensure that FI/DI will work under all circumstances and will be heralded as a great advance in technology and become a must have for MX. With large amounts of money at stake they can not afford to release a bike that didn’t live up to the very high expectations of the buying public.

They would also want to ensure these machines would actually sell, so they can recoup their R&D expenses.

It’ll be very interesting to see the machines the factories bring out for the new 125 European Championships in April. My guess is that we’ll see some interesting technology on those bikes. Although they’ll probably be tightly under wraps before that first race.

First, Chris2T mentioned Roger Decoster. Is he a sell-out? He carries quite a bit of weight with Suzuki. Is he trying to do anything to help the situation or is he just going right along with the four stroke snowballing?

Also, Chris2T mentioned how the supporters of four strokes are heralding their reliability and superior torgue. I have owned my 1982 Yamaha IT465 for nearly a decade now. I have done one top-end on it, replaced the clutch, and little else other than routine maintenance. I once ran the same plug for three years and only changed it because I thought it was time. When Dirt Bike Magazine tested the IT465 against the KDX420 they asked who needs a four stroke? Referring to the low-end power of the IT. I was in a mud race at Broome last month and was letting the RPM’s get so low in one corner I thought for sure it would stall. I just rolled the throttle on and it never hesitated.

Like everyone is saying if the four stroke competed against a two stroke of the same displacement the four stroke would go down. Don’t compare a 250 2T to a 450 4T. Compare open bikes to open bikes!

For nearly a century motorcycles competed against motorcycles of like displacement. When the rules were finally changed to give the 4 stroke an advantage why wasn’t more made of the triumph of the 2 stroke over the 4 stroke? I mean the 4 strokes finally capitulated!!! Instead all we heard was how amazing it was that a 4 stroke could even compete against the 2 stroke at all, and therefore they deserve all the accolades. Bottom line is that nothing was made of the fact that the 4 strokes threw up the white flag. Only legislation brought them back. Again, shameful. The 4 stroke fans are in denial.

I remember a few years ago when the CRF150R was being introduced and there were proposed new regs for the 85cc class, Roger Decoster was confounded that the regulations for each of the classes didn’t match. 125cc 2T v 250cc 4T = 100% displacement advantage. 250cc 2T v 450cc 4T = 80%. 85cc v 150cc 4 T = 75%. He said it perfectly – where is the parity?? Makes you wonder just who is the genius that is setting these rules!!

Don’t get me wrong, there are some things I dearly love about 4 strokes. I hugely admire their smokeless operation, how efficient they are with fuel, and some of their engine characteristics such as low end torque, how some of them look and sound, and how long lived they can be if not tuned to insanity. But there is just a pervasive unfairness out there that really turns me off to the whole 4 stroke thing.

Regarding direct-injection 2 strokes. I have been patiently waiting for years now to see a mass produced DI 2 stroke, and I can’t figure out what the delay is. On one hand, Aprilia has offered the 50cc Ditech scooter for over a decade so I thought maybe the direct-injection system only works on small engines. Yet Evinrude has produced 3.1 liter V6 outboard engines with DI for over a decade also so it can’t be a size thing. My guess is that the patent holders to the DI technology have made the licensing prohibitively expensive, whereas 4 stroke patents all expired over 50 years ago.

I enjoy all things 2 stroke. I’ll never forget the garbage i heard during the first season of 4 strokes in MotoGP. All season long i heard about the “amazing” and “technologically advanced” 4 strokes. But in reality the only bikes to beat the 500′s that year were the 5 cylinder Honda RC211V’s – with double displacement and an extra cylinder! That’s the enormous advantage it took to bring down the 2 strokes!! They should have just retired the strokers in dignity without letting bikes with more than twice the engine take them down. Shameful. Makes you think that there was real hatred out there for the 2 stroke, which is silly considering we’re talking about engines lol!

Anyway, so those are some of my thoughts on the whole 2 stroke thing. Thanks!

Chris