Recent content by HPFOUR

I have purchased front and rear Wilbers springs from Triple Tuning in Germany. Wilbers developed the OEM springs on the HP4. I will report back when I have done a shakedown.

Glad someone responded, there doesn't seem to many HP4 owners that have done much. I'm going to top up the oil in the forks and put on a bit more pre-load and grit my teeth! Will get Wilbers to rebuild front and back when I get a chance but will have to wait till next season I reckon. Doing my...

Seriously no-one? I can't be the only bloke over 16 stone riding one of these?

Has anyone replaced the springs in their HP4? The bike use 8.5 front and 9.5 rear apparently. I'm finding the front too soft under heavy brakes at the track and it's upsetting the geometry. I've come across a coupe,of outfits that rebuild using your OEM suspension (Wilbers & Alpha) but they...

I just downloaded the latest manual from the BMW site (marked as Aug 2013 onwards) http://www.bmw-motorrad.de/de/de/services/bmwmotorrad_betriebsanleitungen/com/PDF/S_0D01_RM_0813_01.pdf The only preload numbers I can see are 35-45 front and 25-35 rear based on a 85kg rider? Do the numbers...

Hmmm that didn't work!

<iframe src="https://www.flickr.com/photos/bertozzi/13965379461/player/e8f02c5591" height="534" width="800" frameborder="0" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe>

I have HP4 #1633

Hi, joining from Australia.