Yamaha forks in Pantah frame

BendikB · **Joined:** Thu Nov 09, 2017 4:28 pm **Posts:** 12

Thanks Lou
I will have to measure my Pantah and FZR setups tonight.

jonaslysgaard · **Joined:** Mon Nov 15, 2010 7:30 am **Posts:** 3

Hi,

I am building a Pantah bitsa here in Denmark. I started with a bare frame, slotted in a 1995 750 engine. The fork is from a 1991 Yamaha FZR 600 with 38 mm stanchions. I use a 18" Yamaha SR500 front wheel, so a bit different than yours. I had to shorten the triple three stanchion a bit. I got headstock bearings from all balls. The FZR stanchions proved to be too long, so I got hold of a pair of 600 Diversion (!) stanchions and all is well now. I added YSS cartridge emulators and 0.8 kg springs from sonic springs and cheap preload adjusters from eBay (not on in the picture). I am still building, but I measured all the critical measurements on a friends Pantah and it seems within range.

Attachment:

IMG_3722.JPG [ 2.34 MiB | Viewed 1462 times ]

nick gill · **Posted:** Thu Mar 22, 2018 11:45 pm

Top is 35mm F3 yoke bored out to 38mm on a mill. Very accurate 195.00mm hole centers.
Bottom is MHR 38mm. Approx 195mm but the factory tolerances wandered a tiny bit. I haven't clocked this one up.

Spare pin is F1/F3.

Message me if interested to buy or swap.

BendikB · **Joined:** Thu Nov 09, 2017 4:28 pm **Posts:** 12

jonaslysgaard wrote:

Hi,

I am building a Pantah bitsa here in Denmark. I started with a bare frame, slotted in a 1995 750 engine. The fork is from a 1991 Yamaha FZR 600 with 38 mm stanchions. I use a 18" Yamaha SR500 front wheel, so a bit different than yours. I had to shorten the triple three stanchion a bit. I got headstock bearings from all balls. The FZR stanchions proved to be too long, so I got hold of a pair of 600 Diversion (!) stanchions and all is well now. I added YSS cartridge emulators and 0.8 kg springs from sonic springs and cheap preload adjusters from eBay (not on in the picture). I am still building, but I measured all the critical measurements on a friends Pantah and it seems within range.

Attachment:

IMG_3722.JPG

I have to change the stanchions as well so I might have to search for some Diversion stanchions as well.My idea was to use RaceTech gold valve emulators in the FZR fork. Did You have to rethread the triple tree stanchion or was there enough threads left?

BendikB · **Joined:** Thu Nov 09, 2017 4:28 pm **Posts:** 12

Nice Nick, I will have to go down and measure a bit, I like the fork crown

BendikB · **Joined:** Thu Nov 09, 2017 4:28 pm **Posts:** 12

nick gill wrote:

Top is 35mm F3 yoke bored out to 38mm on a mill. Very accurate 195.00mm hole centers.
Bottom is MHR 38mm. Approx 195mm but the factory tolerances wandered a tiny bit. I haven't clocked this one up.

Spare pin is F1/F3.

Message me if interested to buy or swap.

Nice Nick, I will have to go down and measure a bit, I like the fork crown

jonaslysgaard · **Joined:** Mon Nov 15, 2010 7:30 am **Posts:** 3

Hi,

I will measure my setup and take some photos tomorrow.

Jonas

Yamaha forks in Pantah frame

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