That a XR or CR???

[XTC]

Being a blue bike fan, I have to correct you here. Yamaha had the four stroke motocross bikes before everyone else. Honda copied Yamaha, not the other way around.

I don't see where Motu said honda did it first? If anyone did it first it was Husaberg and husqvarna if you dont count the old bsa, triumphs greeves etc of old.

[Murderotica]

Oops my bad.
I'm just a 15 year old boy with a big head who thought he was being clever :slap:
Sorry guys you seem to be much more knowledgible than me, I won't challenge you again

[Oscar]

Here's the Godfather of modern 4 stroke dirt bikes...

[Wellyman]

I don't see where Motu said honda did it first? If anyone did it first it was Husaberg and husqvarna if you dont count the old bsa, triumphs greeves etc of old.

I agree with XTC . I think it would have been BSA or Triumph.
WM

[XTC]

history of motocross....
http://www.hickoksports.com/history/...ss.shtml#hist1

Everything appears to go in cycles (excuse the pun) Years ago two strokes were considered too unreliable and underpowered to be used in MX machines. At that time the 4 strokes ruled then two stroke development took a huge leap forward and all of a sudden 4 strokes were out dated in MX and guess what now the reverse is happening. people are looking to two strokes again after struggling to cope with the percieved expense and difficulty of maintaining a modern 4 stroke MXer. I will agree that if you have to pay someone to work on your 4 stroke MX bike then it will be more expensive. Most noddies can replace a piston and rings in a 2 stroke in the back shed. After saying all this my 2003 YZ250F was very reliable while my mates KXF was in the shop for valves twice under warranty.

[Motu]

BSA won the last 500cc MX Champs in about 1970?? ....then 2 strokes dominated for about 20 years,and mostly 250s as the 500 2 strokes were slower.Then Husky developed the 510,using a 2 stroke crankcase with no oil pump,it was super light for it's day and finaly beat the smokers winning the open class MX in 1993.

[Motu]

Hmmm,looking at your link XTC I'm all up the wop....I'm just remembering from back then...it was a big thing when Husky won - and I don't see their name in the 500cc champs,but I think it was an open class then,there are so many classes and so called championships.Husaberg came later,when Cagiva took over Husky the guys who developed the 4 stroke ''defected'' and made another company to build the bikes they wanted to develope.Ah well,I still reckon Husky were the first with a 4 stroke to take on a 2 stroke on equal terms.....the modern ones can't even do that,they race against 2 strokes half the size.

[XTC]

Hmmm,looking at your link XTC I'm all up the wop....I'm just remembering from back then...it was a big thing when Husky won - and I don't see their name in the 500cc champs,but I think it was an open class then,there are so many classes and so called championships.Husaberg came later,when Cagiva took over Husky the guys who developed the 4 stroke ''defected'' and made another company to build the bikes they wanted to develope.Ah well,I still reckon Husky were the first with a 4 stroke to take on a 2 stroke on equal terms.....the modern ones can't even do that,they race against 2 strokes half the size.

Yes was jacky Martens in 1993 on the husqvarna....
http://216.239.37.104/translate_c?hl...en-US:official

[Danger]

In the USA the AMA has just decreed that 125's can now be increased to 144cc to compete against the 250 diesels.
There is a shift back to two strokes at a grass roots level, for less cost of the show room, easier and cheaper maintanence. Some of the factorys would like to see the end of the two stroke eg: Kawasaki discontinued their KX125 in the USA for '06. Honda have not changed their two strokes for a number of years by any great degree, prefering to concentrate on the diesels.
Yamaha have put alot of effort into both their diesels and smokers, Suzuki the same, and have probably the best fourstroke like engine in their RM250 smoker which has been very popular in both MX and enduro (Sean Clarke won NZ National enduro title on his RM250K5.)
KTM are full steam ahead with their two stroke line of enduro and x country bikes but also have great four strokes.
In the USA the two strokes are usually bought out for the wet GNCC events for the lighter weight and ease of starting. In drier conditions the diesels are favoured.
In American Supa X just about the hole field is on diesels now, and the tracks have been changed somewhat to favour them.
Long live the smoker I say. The day they are dead is along way off.

[NordieBoy]

That goes to Husqvarna with the TC510,the first 4 stroke to win open class MX in 19 years - all 4 strokes since then have been built on the back of Husky's pioneering work.

And one of the evilest bikes to start.

[Motu]

Well,I got the owner to start it for me because it was on alky,I jumped on it straight off my XR200,and rode the TE510 at the same pace,and you know how hard you have to ride an XR200 - the bike inspired that much confidence...on a first ride! I gave it back when I started to back it into corners with the throttle,I thought I might be getting a little too cocky.

Around the same time I had a few rides on a WR250,and no way could I come to grips with that bike,it was so aggressive you didn't dare give it everything...it was terrifying - chalk and cheese from the same factory only a few years apart.