with the forks on the bike and front wheel off. you can easily loosen the dampner screw, located in the axle bores. you will need to brace the lower fork with a screw driver or bar to counter the torque, but it is an easy 1 man job.
You may want to remove the from
remove the dampner thru the top of the fork tube (after the spacer and spring)using a telescoping magnet. change out your springs and spacers, slide it back down the tube, replace the dampner screw and torque to spec. add oil in specified amount. replace top caps.

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter