KR-1S.co.uk Forum

Hi

Can anybody tell me if ZXR 400 H & KR-1S front wheel spindles are interchangeable.
I want to use ZXR 250 yokes, ZXR 400 H forks, KR-1S front wheel, can this be done?

Many thanks, Tony

Nope the ZXR400 H model uses a bigger spindle than the KR1S. Also you'll needs spacers to move the calipers in to fit the KR1S, as the discs are closer together on the 1S.

I used a complete front end from a ZXR 400 H model which only requries the KR1S stem to be fitted into the ZXr400 H bottom yoke and then they are a straight swop.

Steely wrote:Hi

Can anybody tell me if ZXR 400 H & KR-1S front wheel spindles are interchangeable.
I want to use ZXR 250 yokes, ZXR 400 H forks, KR-1S front wheel, can this be done?

Many thanks, Tony

As elf said they are not the same, are you specifically wanting a 1s front wheel, to match the rear?

If you can get zxr250 yokes, spindle, speedo drive, front wheel etc then you could have a one off spindle made which would allow you to use zxr400 forks and calipers (or 1s calipers which are the same as h1 zxr400 L series are different) The zxr250 front wheel is different to a 1s, it certainly has a different code on it and when I was messing about a 1s wheel did not fit with the the zxr250 spacers.

Of course anything is possible, depends on what time, money and machining facilities you've got, me I've got none after going for the set up outlined above.

Hi
Thanks for the quick replies.
I looked at the team sparrow website, and it says there that a guy in japan swapped in a ZXR 250 front end using a KR-1S front wheel, it says it is tight, but it fits.
Finding ZXR 250 bits is not easy, if i could find some i may give this idea a go.

Steely, have a look at my thread 'progress!!!' fair bit about the zxr250/400 front end bits in there.

Not saying that a kr1s front wheel wont fit but when I tried it didn't seem anywhere near

Hi Red Devil

Okay had a look at your thread, looks like a good way to go, only problem is going to be getting a new spindle made.
Can you give me some idea what i need to do, get it machined.

Many thanks, Tony

Tony, pm'd you.