Just to tot up the main changes -
Mk3 swingarm and linkage.
Modified frame to Mk2 spec. so as to take XR250R shock (same dimensions as Mk2 original but better sprung and damped), serviced and powdercoated spring.
XR400 forks serviced with tuned damping and up rated springs.
CR125 tank with new XR600 petcock so as to have a reserve.
Powdercoated frame, swing arm, yokes, stand etc....
New Stainless steel powdercoated bash plate.
Refurbished CRF front and rear brake systems with new stainless steel hoses and new pads.
Almost new XR650 wheels.
CR500 seat - to be recovered.
New ProTaper bars.
New Trail Tech Vapor speedo and multifunction computer.
Acerbis Rally hand guards.
Used DEP pipe and refurbished ProSkill silencer.
New Keihin PWK 33mm carb.
New Boyesen reeds.
New clutch lever and cable.
New throttle cable with CR throttle housing.
CR250 kickstart.
Freer breathing airbox with TwinAir filter and cage.
Mk3 sidestand.
New footpegs.
PowerNow and PowerNow+.
Engine has had -
Recent new con rod and crank set up.
Recent top end rebuild with rebore and new piston etc.
New main bearings and all new bearings in RHS crank case.
Actually as Twisted said it isn't 'lightly modded'............................ Got a bit carried away.
EDIT - Also has had new steering head bearings and new swingarm and suspension linkage bearings, bushes and seals.