The suspension on my R80GS Basic (150.000km) is not very god so I’m slowly planning to do something with it.
I have the standard Marzocchi setup. No modifications except thicker oil. The system has never been perfect, now it’s worse and it looks like the springs have worn out, it used to be much harder to compress the cover and put the “end-cover” on :-)
The springs get compressed a lot more then they used to do when I sit on the bike and when I break or hit a bump the bike dives a lot but it rarely bottoms out. It might sound strange but it feels like the springs compress suddenly, when I break they don’t compress in the beginning but suddenly they compress a lot.
I have found several options:
-Insert stiffer/progressive springs
I tried a bike like mine with springs from Wirth. It was a lot better and it’s cheap but I’m looking for something better.
-Change inserts and springs
HPN had a set where you can insert an adjustable insert which should give you the “advanced damping technology of the Marz Magnum”. Has anyone tried this setup?
The setup could be found on: http://www.hpn.de/pdf/hpn13.pdf
-Change the fork
I didn’t consider this in the start because it’s far to expensive but now it looks like I can get some kind of “cheap” setup from WP. The setup has a diameter of 50mm and I think it has a travel of 300mm. That probably means that they are a bit longer and they might need strengthening of the frame, views?
I’m sure it needs some fabrication to make them fit :-)
I have a WP shock which will be overhauled and fitted with a stiffer spring. Any ideas how much stiffer it should be? Otherwise I think the shock will be okay.
Today the spring is adjusted to max but it still compress to much on a loaded bike.
I was thinking of shortening the strut that goes from the frame to the rear wheel drive It will straighten out the driveline and give maybe 10 mm in height and the propeller shaft might get a better chance to survive, it has done 150.000 km by now.
With the modifications above and a Pirelli MT21 I guess the height in the rear will be increased by 50 mm (to keep up the better front).
Any comments or better ideas?
The bike is used for everything, road-riding (with or without luggage), gravel-racing and offroad touring with luggage. Mostly solo-riding and I prefer to drive a bit sporty. I carry all my luggage in the rear (no tankbag) and a 33 liter tank (might be replaced with a bigger plastic-tank).
I will give priority to the offroad-touring use and I don’t want a bike which is to stiff.
The bike will probably be a bit higher, which looks necessary if you look at my bash-plates, but the main issue is to get a better suspension.
Thanks for reading all this stuff, and even more thanks if you comment it.