Name the bike
- Thread starter DaveM
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Well I am glad you also have no idea as I thought it was just me 
Those pipes look like they are two stroke but there are 3 of them 
Those pipes look like they are two stroke but there are 3 of them
Undoubtedly two stroke expansion chambers with stingers fitted to quieten it down a bit.
I may be one and a half TZ 350's, or three quarters of a TZ 750 or TZ 700.
On the other hand I may be 100 miles from the mark.
The motor just keeps making me think rotary and I am not sure why
Sorry Dave, get your mind back to piston port two stroke, reversed top end, carbs at the front expansion chambers at the back. The clutch looks like a TZ 750, the Marlboro sticker is saying Yamaha
Yeah I know its a two stroke piston but the bulk of the motor makes me think rotary. Seems it is not a standard motor that is for sure
lol That is how I feel as well I just cannot get a handle on this one
I've got it, but no thanks to my knowledge. Google once again.
I've got it, but no thanks to my knowledge. Google once again.
If you've got it speak up lad, speak up!
I need to know, was I closing in on it or a hundred miles away?
Come Silli share 
Silli, please let us know!!!
One of the unsung geniuses of motorcycle design is the Frenchman Claude Fior. This 300km/h race bike is typically unusual: check out the front suspension, a wishbone-style arrangement with a Koni shock absorber. The engine was also French, designed and built by JPX of Le Mans. It was a liquid-cooled two-stroke inline four, tuned to deliver 150bhp at 12,300rpm. The Fior 500 was assembled in Nogaro, and was ridden by the late Swiss racer Marco Gentile at the 1988 Japanese GP. Fior also designed many chassis for the French small-volume motorcycle maker Boxer, which created the Lamborghini motorcycle we featured recently. [Thanks to Laurent Tomas of the Coyote Racing Team for the tip.]
Now that was a cool one your go Silli
Not that it matters too much but this doesn't add up for me. I did a bit of very quick digging and found a lot of stuff mainly about the frame and front end. Most comments about the engine read like this, "French motorcycle engineer Claude Fior made radical custom designed front ends for TZ250s and 350s before turning his hand to manufacture an aluminium frame for the Sonauto TZ500 ". That engine to me has Yamaha written all over it.
It had confused written all over it for me Lets see what Ksquared has to say he should be coming on line any time now
Lets see what Ksquared has to say he should be coming on line any time nowI just found this photo of what is described as the same bike. Different engine to my eye, clearly are not Yamaha, I'm of the opinion the original photo has a Yamaha engine. What often happens is a mistake is made and without any checking it's repeated often enough that it becomes accepted just because it's written all over the place. I'm happy to be proven wrong, it's been 35 years since I rode a TZ 750.
Edit,
Just found this shot of a Yamaha TZ 500, compare this with the original engine in the name the bike quiz.
Edit,
Just found this shot of a Yamaha TZ 500, compare this with the original engine in the name the bike quiz.
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