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Message started by klx650sm2002 on 10/07/10 at 09:45:34

Title: Formula 450
Post by klx650sm2002 on 10/07/10 at 09:45:34

Apparently you guys have a single cylinder racing class called Forumla 450 have any of you been to watch the action ?
Clive W :)

Title: Re: Formula 450
Post by mick on 10/07/10 at 10:51:36

Clive,ok I will show myself to be dumn,what are you talking about ?

Title: Re: Formula 450
Post by Lupo on 10/07/10 at 11:19:00

AMA is still developing the class as far as I know and I believe it should start out next season. It is suppose to be a rookie type class with production MX singles to replace the 250 2 strokes. I'm looking forward to seeing it in full swing. The Honda speck engines in Moto 2 have been awesome so I hope this can do the same for AMA racing. AMA has been stuck in the mud awhile but appears to be getting back on track (nice pun ehh).

Here's a piece from RoadRacerX http://www.450moto.net/7-1-The-Point

Title: Re: Formula 450
Post by mick on 10/07/10 at 12:54:12

thanks for the info Lupo,I'm sure happy to see that,450 singles wow they should sound great with an open megaphone,do riders still use them ?

Title: Re: Formula 450
Post by Serowbot on 10/07/10 at 13:12:00

Should sound something like this...
[media]http://www.youtube.com/watch?v=mopMR3EgvVs[/media]

Really fast 450 at Spa,... one of the fastest tracks in Europe...
I'd love to see Spa in person,... add one to the bucket list...
[media]http://www.youtube.com/watch?v=ABik5VEvKeA[/media]

Title: Re: Formula 450
Post by JohnBoy on 10/09/10 at 11:26:15

Back in the '70's there was an AMA class started for 100cc GP racing. If memory serves it was called formula K for the Kawasaki 100's that made up the bulk of the hot 100cc bikes of the day. The concept was to put weekend road racing back in the price range of the hobby wrench turner. There were wide restrictions on what you could do to change the basics, but even so he factory teams took over within a year or two.

I sure hope the same thing doesn't happen to this class because it looks like a lot of fun.

Title: Re: Formula 450
Post by mick on 10/10/10 at 18:45:29

back in the late 50s early 60s all over Europe the only CLASS bikes for racing were 125cc, 250cc, 350cc,and 500cc, 500 being the biggest
it amazes me how all those classes have gone, now you can find 90s
100s 400s 600s 850s, unlimited, street bikes ,and racing bikes.
Why such big bike when a well tuned 500 can go just as fast as most bikes out there ,after 500cc you need so much more engine just to get an extra 10 MPH.call me old fashioned but I prefer the old way. it's great to watch people like my Dad tweek that 350cc 7R, 110 MPH
get that carb just right and you can get 120 MPH out of it , during practice my dad would follow his rider to half way up the mountain in the Isle of Man,retune the carb, (i'm not sure but I think they lean out at altitude) anyway it was what he and Sid called fine tuning, no burps
going up or coming down ,6 times.
As my dear old Dad used to say after I pushed a butten to start my bike, "they don't make bikes like they used to,thank god"
he never owned a bike that had an electric start. :'(

Title: Re: Formula 450
Post by mpescatori on 10/11/10 at 08:00:06

Yes, Mick, that's right, carbs will lean out the mixture at altitude.

I don't know how "high" the highest hill at the Isle of man TT would be, but, as Tesco says, "every little helps" ;)

Now, speaking of the Isle of Man TT... heheheh...

[media]http://www.youtube.com/watch?v=PtTtXbbvKqY[/media]

[media]http://www.youtube.com/watch?v=StNRlQQnsw8&feature=related[/media]

One comlpete lap in real tmie, no music, no commercials, just good old hard core racing !

8-)