Hi I have got a 954 complet front end with forks ,brakes wheels and iwould like to mout it on my 96 900 is it plug and play job ?

 

Welcome to the forum.
Personally not sure, but one of the more informed members will be along shortly with some advice.

 

Not direct swap:

1. have to press out steerer-tube from 954RR's lower fork-clamp and press in tube from 900RR

2. will loose speedo function as newer ones are electronic driven from VSS in transmission instead of mechanical cable from front wheel

 

1 I have upper and lower fork klamp from 954rr but I didnt see any steer tube
2 Mine 900 sc33 from 96 has speedo cable in transmission above the small sprochet not at front wheel

 

This is part you need to press out of 900RR lower fork-clamp and press into 954RR's fork-clamp.

 

Is it possible to adapt by changing the bearings for one’s with different internal diameter?

Hm, not if the length of the shaft is different!

Need a big press - a professional job?

Ops, rambling again :-)

 

steerer tube is different diameters
head-tube on frame different diameters.

Not sure you'll be able to find smaller bearings that'll fit inside 900RR's head-tube and over larger 954RR's steerer-tube.

 

Thanks, that makes huge sense.

 

Hi, I've just fitted a.954 front end onto my 96 blade, it was a exact fit even the bearings fitted, no modifications whatever.