SteveXFR

I'm having some trouble working out how to disassemble my forks. The Haynes manual says to unscrew the threaded top but there isn't one. How do I remove the damper and spring?

I've looked up the cylinder base gaskets. The GS550 part is the same as the GS500 but the 650 has a different part number and is visibly different.

Thanks Daz. I want to keep to upgrades of that period and keep it looking original so won't go for the oil cooled engine. I'm finding conflicting info on the performance difference between 500 & 550. some sources suggest it's around 5hp, others suggest around 20hp. It's not currently running so I have no idea what it goes like. If it's a 20hp difference, then I'll definitely go for the 550 conversion

Hi. I'm looking at buying a 1982 GS500E four cylinder. It seems like it's quite a rare model and info isn't easy to find. As far as I can find, it was based on the 550 and only sold in a few countries. Can anyone point me at a good source of info for this bike? One thing I'm wondering is what the differences are between the 500 and 550? Would it be easy to convert it to 550 spec?