any good?

[gb_proshark]

http://cgi.ebay.com/ebaymotors/Yamaha-Raptor-YFM-250-Cometic-Gasket-76mm-263cc_W0QQcmdZViewItemQQ_trksidZp3286Q2ec0Q2em14QQ hashZitem3a4e747e6fQQitemZ250424360559QQptZMotorsQ 5fATVQ5fPartsQ5fAccessories
is this any good? and would you have to use an aftermarket pipe?

[GarethG53]

na, dats a gasket for a big bore kit, it would be no use unless uv got a big bore kit