my forks are on full adjustment, have added extra oil and i still find them to soft, its an mc18 r5k
anybody know where i can get stiffer fork springs from
or anybody have any tips how to stiffen them up

I used MH racing to fettle mine. Revelation. I'm sure there's someone closer to you though, as they're near Corsham in Wilts.
_________________
MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball

i dont know if this helps but i put a socket in the top of my mc16 forks to stiffen them up to suport my weight.

basicaly found two sockets the same size in my tool box that just fit inside the stantions and placed them in between the springs and the tops.

dont know if this helps you, it did effect overall travel but then again when i sat on it before it just pushed the forks down so i had less travel anyway.
_________________
Honda nc23 CBR400 AERO 1986, 1990 honda NC23 Tri-Arm, 1987VFR400 NC24 Rothmans Rep, NSR250 MC16 1987, CL250s 1983. Moto guzzi zigolo 110cc 1958. Fantic 50cc 1972. Suzuki Cobra Race bike 500cc 2t 1975 , GP125 1975. Triumph T110 1954. BSA Thunderbird 1955. Ariel VB 600 1952, 1990 MuZ 125 etz.

was it expensive to have your forks rebuilt with mh racing, do you think it was worth it, did they convert them to cartridge ?

have thought about putting washers on top of springs to stiffen the forks up
tried various companys for fork springs but nobody makes them for mc18

the springs inside the cb400 aero and the early cbr600 i know fit the earlier mc18 and are stiffer than the nsr springs dont know if that helps
_________________
Honda nc23 CBR400 AERO 1986, 1990 honda NC23 Tri-Arm, 1987VFR400 NC24 Rothmans Rep, NSR250 MC16 1987, CL250s 1983. Moto guzzi zigolo 110cc 1958. Fantic 50cc 1972. Suzuki Cobra Race bike 500cc 2t 1975 , GP125 1975. Triumph T110 1954. BSA Thunderbird 1955. Ariel VB 600 1952, 1990 MuZ 125 etz.