Introduced myself in general not 400 specific.. however 1992 gsf400 ~13k miles bought for $1200 usd , have goodridge ss brake lines, sbs sinstered front pad, ebc
semi sinstered rear pad, yss shock w/rebound and dampening, race tech springs , race tech cartriage* emulators, yosh cyclone exhaust with lone star canister, k&n drop in filter, new steering head and front wheel bearings, rejetted ( bought factory pro 1.0 kit however shop did custom jets (drilled slides etc)), dyno tuned just over 51 hps at 10k-13k rpm, waiting for cash to finish it .. swingarm bearing/bushings, rear wheel bearings , chain and both sprockets (gonna go up 1 in front and down 1 or 2 or 3 in rear (almost 8k rpm at 70 mph is too much) and michlien* road pilots, silicon coolant hoses, new clamps, fuel lines and cables, & maybe a steering dampener hopefully this summer, oh yea have superbike bars and expensive heavy bar ends ( they help more than the stock ones did really noticable) will try to post pics later, have a stock exhaust that i'd give away if you can come pick it up ( some rust not too bad, #'s 2 &3 dented a bit on the bottom)