Sorry to be such a pain on here, but could anybody tell me where i can get a set of swingarm bearings ect for my 86 import

Don't worry about asking questions on here; its what we do.

Bearing: 93320 32403.
here; http://www.ebay.co.uk/itm/Swingarm-Need ... _531wt_758.

Bush; 33M 22184.

You may search for that at your leisure.

Try your local dealer with the part number ;you may be surprised.
Handy tip;copy the part number exactly as shown on the parts label from a Google image search to quote to a dealer.
33M 22184 becomes 33M-22184-00-00.
Often dealers computers do not recognise the abbreviated part number.

You will get the bearings much cheaper from a bearing distributer if you give the bearing dimensions/they will not recognise the Yamaha part number though.The bush is a factory part only.

Thank you very much for the information. I'll give my local dealer a try,one more question can i fit a 160x60x18 to my genesis rim

Have a look at this recent thread;
viewtopic.php?f=35&t=45212

150 is about max for your rim.
If you could get a 160 to clear the chain run then you should really go up with the front tyre to balance out the handling.
You wont get any more usable grip out of a much wider tyre and you will effect the response of the 400 .