OzVMX Forum

Clubroom => Twinshock Trials => Topic started by: Michael Moore on March 06, 2014, 02:18:39 pm

Title: Prototype Yamaha TTY500 trials bike
Post by: Michael Moore on March 06, 2014, 02:18:39 pm

Here's a page from Tom Beasley's "The Mick Andrews Book of Trials" showing an early stage of a Yamaha prototype trials bike using the XT/TT engine:

(http://www.eurospares.com/graphics/trials/TTY500YamTrialsAndrews.jpg)

I saw mention at Trials Central that Andrews told someone the plan was to use a low-mounted fuel tank with a pump to raise fuel to the carburetor to lower the center of gravity. I think I've got an English bike paper which mentioned some rivalry between Sammy Miller and Andrews over who'd get the first 4 stroke trials bike to the Scottish Six Days. I suspect the Yamaha didn't get much farther along than these photos as I've seen no photos or other evidence that the bike was completed.

cheers,
Michael

Title: Re: Prototype Yamaha TTY500 trials bike
Post by: David Lahey on March 11, 2014, 10:39:14 pm

By the look of the frame near the swingarm pivot and at the steering head, they started with an OW10 frame

Title: Re: Prototype Yamaha TTY500 trials bike
Post by: getahusky on January 06, 2015, 09:21:05 am

I'm not sure if you guys had spotted this clip but from 1:45 you get to see Mick's Yamaha 500.

https://www.youtube.com/watch?v=0-LXPG6_lS8

Title: Re: Prototype Yamaha TTY500 trials bike
Post by: FourstrokeForever on January 07, 2015, 10:13:26 am

Yes, I did spot the 500. You get another look at the end of the film as well. Looks like it had some type of "air" shocks on it?