team orion engine advice please

[grovehead]

hi all im in the market for a new buggy engine and ive come across these on ebay http://cgi.ebay.co.uk/ws/eBayISAPI.d...=STRK:MEWAX:IT

my question is are they any good ive googled it but i cant seem to find anything on them thats any use .

if any 1 can give me advice on if its a good price and if its a good engine please

thanks lee