Hey there is a 86 xt 600 on craiglist here in Indy for $400 . Might make a good spare engine for the SRX. I thought about it ,but I just bought my kids a Blaster for X-Mas and a Cr80 for me . I bought the 80 for the upside down forks for my 150F. $300 for the whole bike . The forks alone go for that much on flee bay.