johnalpi

Pictures can be found here: http://www.bikepics.com/members/johnalpi/93yzf750/

I remember this issue. As it turned out it was loose wires coming out of the ignition barrel and the vibrations from the engine, at 5K, shook the connection loose. I soldered it back up, and all was good P.S. it has taken me this long to sort the problem out

and the last two

Pics you say? Spacer in yoke other one I should have taken more off here and less off the spedo drive. I will now I have a spare drive 2mm off each face Speedo drive Original Spacer used Speedo drive Looks like it fits to me

OK! So in the end I've went for the 750 wheel and TRX disc option. I had to shave about 2mm of the inside of where the callipers mate to the fork legs to allow the discs to run through the callipers, I've head this is important I used the original spacer for the left hand side(looking at the front of the bike) had to shave off some of the speedo drive/spacer on the right. Also I made the bottom of the right hand fork the same width as the left. All has been running well for the last 300 miles or so. Other than something is making a groove in the left hand disc. I can hear it digging in when I apply the brake, but the pad (all new EBC discs and pads BTW) is clean from any chunks of metal...... not sure what's going on there, but I'm in the garage again this afternoon with and electrical problem so I might get chance to look at it then.

Hi peeps. I was down the local racetrack the other day, driving along fine. I went to change gear and the bike died and the rev counter dropped to zero, then fired up again and all was well, for about 1 min then it dies, in the same way, but this time didn't start up. I'm on the fooking motorway BTW! So I pull over and go to start it again. It starts, but as soon as the rev counter hits 5k, it dies. Complete electrical failure, lights the lot. Leave it a couple of seconds and it'll fire up but dies again at 5k! Any ideas? Has anyone had the same problem with their bike?

Does anyone know the tyre pressures for a YZF750? A friend has my manual and I cant get hold of him...

I am a very, very, very lucky man!

I dont know how long it had been like that, but the break didnt look fresh, I feel sick.....

This cant be good

This may help you: Hi John, A new pair of EBC Prolite discs (carriers and outers) for your '94 YZF750R would be £215, delivered in 2-3 working days. Cheers Vince <[email protected]> He was advertising on ebay. drop him a line. you were using ebc prolites weren't you? And there is the brembo(916/748) option...

honkdawillydahonk do you know if the Thundercat use the same wheel as it big brother?

Oh BTW I was told by someone at DK Spares that 2003 R1 uses 230mm discs! Thanks m8;)

This is great news So I have two options: 1) Use a thunderace wheel, which will allow me to use R1 298mm (what a daft size!) discs and keep the speedo. 2) Use TRX850 discs on my standard YZF wheel and keep the speedo. I now have two things to do a search on eBay for! Hallelujah! Thanks guy's, I'm sure this will help others at some point. Will let you know what happens. John.

Are you saying 2003 R1 uses 320mm discs, but the callipers from a 2003 R1 have a longer reach than the blue star R1 callipers? If I could find a disc that would fit both YZF750 wheel and R1 callipers I would be happy to loose 10mm, that's not the problem: Is there a difference in disc diameter between 2003 R1 and earlier R1's? If so what are they and what years do the changes appear on?