Gpx750 front and rear end upgrades

[Jim painter]

Well its got to the point that I needed a rear tyre on the Gpx, and seeing as the tyre choice is limited I thought I would go down a different route.

So I managed to pick up a front and rear end off a zzr600d complete with 3 brand spanking new discs. I got some other parts as well, seat, tank, plastics, rad etc etc all for the pricly sum of £140 notes.

All went pretty well, Managed to press out the stem from the gpx yoke ok. The zzr stem was welded in so ground the weld off and pressed it out. Pressed the gpx stem into the zzr bottom yoke and mocked it up. Just got to weld the stem to the bottom yoke as per factory and make the steering stops a bit bigger as the forks hit the radiator mounts before the lock stops.

Rear end next......Hope its as straight forward.

[_Iain_]

Host photo's on imgur and copy the [IMG] link, makes thread easier to read
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Please be aware that the above post may be full of complete nonsense.
Riding: '07 KTM Duke II, Baotian BT49QT-20 Driving: '88 Volvo 340

[Jim painter]

Will do, cheers

[sgtcalle]

ZZR brakes are pants!

I have a radiator fan for a ZZR600D knocking around somewhere if it turns out yours is bust
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CBR600F '02
Manchester

[hmmmnz]

[Jim painter]

ZZr brakes have got to be better than the Gpx brakes and suspenders that were on the bike. Anything got to be an improvement.lol

[Kickstart]

[Jim painter]

I know exactly what your saying kickstart. I will see how I go. The biggest thing was being able to have some modern rubber. I found the 16inch front end twitchy and the tyre choice for the rear end not great. I will see how the zzr brakes are, if they are no better I might go down the gsxr1000 caliper route.

[Jim painter]

Oh also got the rear end in. It fits nice between the frame. It's only got the 17mm gpx spindle in at the moment just for checking spacing. I have got to get a drill bit to enable me to drill the frame to fit the zzr swingarm spindle. I have had to use the whole gpx linkage as the zzr swingarm came with the dog bones on but they make the bike sit to low. The gpx ones lift it, maybe not quite high enough but I will see what it rides/handles like and tweak it from there.

[Kickstart]

Hi

Think the normal calipers to use on a ZZR are the Nissins used on CBR600s (amount others).

As to the swinging arm spindle I would be tempted to use a couple of over size spacers to take up the excess rather than chop into the frame. At least means you can easily switch back if you want

All the best

Keith
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