The two frames are identical other than the VIN.
The main differences I've noticed between the bikes:
CSR - laced wheels, front discs designed for the laces wheels, mechanical speedometer, upper triple clamp, more simplistic gauges
LTD - mag wheels, front discs designed for the mags, electronic speedo, more complex upper triple clamp, more advanced gauges
2017 KTM 250XC-W
2015 Kawasaki KLX110L
2015 Yamaha FZ-09
2008 Kawasaki KFX 450R
2005 Suzuki GSXR600
1999 Honda CR80R
1982 Kawasaki KZ1000 LTD
1973 Kawasaki S2
