removing exhaust bolts

Originally Posted by 21QUEST

.....Mate, your bike is a K3 and persoanlly, I wouldn't py much attention to 'how they look' lol. get some plus gas and buy one of those hand held Butane torch....

+1 You may be lucky. Heat and plus gas. Heat and plus gas. Remember the mantra

if someone took the trouble to replace the annoying standard studs its seems a bit daft they wouldnt copper slip the replacements, have you tried to remove them and failed or are you just pre-emtping a failed attempt?

HEat and pentrants have already been adivsed, I have nothing further to add - note mine came out of the curvy using paul_the_6th, a whelder and a 80mile round trip.

Originally Posted by Owenski

if someone took the trouble to replace the annoying standard studs its seems a bit daft they wouldnt copper slip the replacements, have you tried to remove them and failed or are you just pre-emtping a failed attempt?

HEat and pentrants have already been adivsed, I have nothing further to add - note mine came out of the curvy using paul_the_6th, a whelder and a 80mile round trip.

i was pre-empting as every one seems to struggle getting them off.

hmm might try and do it at college as they have loads of stud extractors and stuf like that

if thats the case then just have a go once you've run it up to temp u may be suprised.

[Dave20046]

Originally Posted by Owenski

if thats the case then just have a go once you've run it up to temp u may be suprised.

Aye, no point wasting time worrying about it before you've found there's a problem. Mine came straight out (and they were bent & seized looking). Replaced em with copperslip & ACF50 plastered stainless steel studs.

Originally Posted by Dave20046

Aye, no point wasting time worrying about it before you've found there's a problem. Mine came straight out (and they were bent & seized looking). Replaced em with copperslip & ACF50 plastered stainless steel studs.

Dave were yours cap heads or studs ?

going to try and wip them out later as the bikes on axle stands and ratchet strapped to the sealing and the swing arm is coming off soon as well so might as well sort them out now and make it easier for when i take the cylinder's off

[mikerj]

Originally Posted by rictus01

they shouldn't be bolts unless they have been replaced at some point already

There was a thread on this fairly recently, the pointy has cap head bolts from the factory, or at least some years do.

They are difficult to remove but I got mine out with a combination of shock and by tightening them slightly first. Then I worked them back and forward constantly, increasing the motion in the anti-clockwise direction by about 1/8th turn each time and using lots of penetrating oil.

Just removed the exhaust from my dads curvy this evening and had to get a chisel onto the remnants of the nuts. It took quite a while but studs are definitely the way to go for exhaust manifolds.

.......... i snapped one......... with a 3/8th ratchet thats about 10cm long ........ F*CK ! didn't even put that much pressure on it it was moving then bam snap the bolt snapped about 5mm from the bolt head mole grips it is then ...

Not good. Heat. If you have not got a torch heat, until red hot, something like a poker and place it on the stud end to conduct the heat through it. Do this a good few times then plenty of plus gas. Remember hot things burn and can be dangerous.

The only thing that heat and plug gas didn't work on for me was a swing arm bolt from a 1980's bike.

ok the other one came out fine ... the bolts are A2 stainless im guessing these are not standard ?

hmm could heat it with the zippo ? lol

going to give the shard bit a hit to see if i can losen it off more then try the mole grips

going to remove the system so i have some more room to play with then try and get it out