Right ive acquired downpipes thanks to kayla and i was hoing to replace the head studs and the flange nut that was untill i discovered they where going to cost me £48 now im not tight but £50 on nuts and bolts is crazy

Hmm my question to you helpful bunch is. Is there an alternative to these crazy priced nuts ???

Flange bolts ... Its M6 but I don't know the length.

i just did mine recently, got a few nuts spare. il check the length of the studs in the morning for you

A search returned this item in 1.26 seconds;

http://www.ebay.co.uk/itm/Scooter-Moped ... 1270wt_992

Use the nuts/discard the studs.

EDIT ;The link is included as these nuts are very similar to the original .

I've just ordered a full set of Yamaha studs/nuts/exhaust gaskets for my FZR250, I'm sure the nuts were £2.05 each.

Part number 90179-06500 on both 3LN and 3TJ's

Chris

Stainless m6 threaded bar and 8 m6 nuts? or 8 m6 stainless bolts and chop there heads off? Will never rust again......
Have a look on ebay fittings are mega cheap on there!
Cheers
Ian

Thats what i was thinking plus stainless deals with head much better

What is the reason for the part in the middle of the nut without thread ?

Morespeedvicar wrote:Stainless m6 threaded bar and 8 m6 nuts? or 8 m6 stainless bolts and chop there heads off? Will never rust again......
Have a look on ebay fittings are mega cheap on there!
Cheers
Ian

You can buy stainless studs on the bay.

What is the reason for the part in the middle of the nut without thread ?

You mean in the ebay link ??? The stud is 2 different sizes 6mm one end 7mm the other, the thread stops and starts where they change from one to the other.

So 6mm one side and 7mm the other and is it the 7mm that goes into the head also will the stainless be an issue ?