View Full Version : My Seat Screws are completely seized!
TheShadow
15-03-08, 06:07 PM
My Seat Screws are completely seized!
I was attempting a service on the SV650S that I purchased 2 weeks ago , on removing the black plastic panels I found that 2 of the screws holding the seat down are seized.
I managed to remove one of the screws and replace it with a new bolt from the Suzuki dealer but the other one will not budge. I can get no purchase on it as the head is badly chewed so I believe my only option is to drill the screw out and retap the thread.
Can anyone advise how to do this?
Am I correct in saying the screws holding the seat down are 6mm so drilling it out with a 5mm bit and then retaping is the best course of action?
petevtwin650
15-03-08, 06:22 PM
That's a bit of a worry, because as far as I'm aware you can't get the tank up with the seat on, so you can't change the rear plug for starters. What year is bike Shadow?
My thought is that it's crossthreaded. Not uncommon on the seat screws.:(
Would an impact driver be any good. I would imagine that if it could be freed just a bit you might be able to get it out.
I have to say that when putting mine back in (K6) I never do them too tight, just a hand tight pinch. I don't think they need to be tight as they aren't going to fall ot because the side panels will stop them. They only need to stop the seat being lifted....
TheShadow
15-03-08, 06:35 PM
The bike is a 2000 model.
I was going to go out and purchase an impact drive kit but I am wonder how much use this will be as the head on the screw is almost gone.
The screws that are in there just now are Philips the ones the Suzuki dealer supplied me with are Alan key screws. So they may well be the wrong screws that have been put in there by the previous owner.
TheShadow
15-03-08, 06:37 PM
Are these what i am after?
http://cgi.ebay.co.uk/6MM-LEFT-HAND-TAPS-ALL-LEFT-HAND-TAPS-IN-OUR-SHOP_W0QQitemZ320222842651QQihZ011QQcategoryZ64819 QQrdZ1QQssPageNameZWD1VQQ_trksidZp1638.m118.l1247Q QcmdZViewItem#ebayphotohosting
timwilky
15-03-08, 06:42 PM
They should be Allen headed machine screws.
Which side is it, be careful drilling as the loom runs behind the screw on the RHS, a well known chaffing point.
Note. Those taps are left hand thread. useful for something. But not for anything on an SV
TheShadow
15-03-08, 06:45 PM
Its on the Right Hand side.
And you are correct i can see the looms , pretty concerning to be honest!.
petevtwin650
15-03-08, 06:48 PM
The bike is a 2000 model.
The screws that are in there just now are Philips the ones the Suzuki dealer supplied me with are Alan key screws. So they may well be the wrong screws that have been put in there by the previous owner.
The OEM are indeed Allen Bolts. Not a good start to your ownership.:(
Maybe tapping the bolt head with a drift in an anti clockwise direction will start to shift it. Also if you push down on the seat as you try and undo it as the bolts are sometimes under tension.
DoubleD
15-03-08, 06:48 PM
have you not got a dremel you can use to cut a groove on the head then use a flat screw driver to get it off.
TheShadow
15-03-08, 07:07 PM
Can anyone confirm the screw size as 6mm?
petevtwin650
15-03-08, 07:11 PM
Can anyone confirm the screw size as 6mm?
5 hours ago and I had my bolts out. Did you not say that the Suzy dealer gave you new bolts. Can't you measure them?
TheShadow
15-03-08, 07:19 PM
Trying to measure just now with a ruler :roll: difficult to say if its 5 or 6mm.
petevtwin650
15-03-08, 07:27 PM
Result!!
Hope this helps! 6x18 apparently.
http://i72.photobucket.com/albums/i184/petevtwin650/org%20tech/Capturesvseat.jpg
TheShadow
15-03-08, 07:30 PM
Result!!
Hope this helps! 6x18 apparently.
I owe you one. :p
Ill purchase some 6mm left hand taps and keep you posted on how i get on.
petevtwin650
15-03-08, 07:47 PM
I owe you one. :p
No worries Shadow :cool:. Can't take any credit anyway. It was all down to this site.
http://www.alpha-sports.com/suzuki_parts.htm
Click on your year and then model type and you have most of the bits on your bike. Minor differences maybe due to it be an American site.
timwilky
15-03-08, 07:52 PM
I owe you one. :p
Ill purchase some 6mm left hand taps and keep you posted on how i get on.
They are not left hand. They are normal threads
TheShadow
15-03-08, 07:52 PM
Cheers. Will make sure i get the correct ones
northwind
15-03-08, 07:52 PM
Have you tried cutting a cross in the head and using a flat blade screwdriver? Worth a try that.
Get a pair of mole grips on the buggers if you're replacing the screws.
yorkie_chris
15-03-08, 11:51 PM
IMO drill and tap is last option, luckily the subframes steel so its pretty easy to chop it to bits and weld in a new nut if the drilling and tapping doesn't work.
First try impact driver, they're great bits of kit, quite a strong bit of bike, so you can hit it pretty hard.
Then try tap it round with a punch, if that doesn't work then drill the head off it pop the mounting tab over the stub and try grips.
Then you can try drill and tap it when all the easy options are exhausted.
21QUEST
16-03-08, 12:54 AM
Try what Northy and Lozza have recommended.
Chris, the tabs on the Sub-frame where that the bolts screw into are actually not that sturdy. The do bend quite easy....don't ask how I found out about that :rolleyes:
Ben
had this on mine, had to nut and bolt them in the end because they were both cross threaded.:roll:
Sid Squid
16-03-08, 01:29 PM
Impact driver will do more damage than good and as the bolts aren't into strong brackets probably won't remove them anyway.
Drill just the head off of the bolt, (as the other bolt is out you'll be able to wiggle the seat off - it's quite bendy), there's a plain section of the bolt that butts up against the frame so as not to squash the plastic of the seat base, as this is quite substantial you'll be able to grip this with 'Mole Grips' or similar. If that fails at least you'll be able to move any wiring etc and drill through he remainder of the bolt.
vBulletin® , Copyright ©2000-2025, Jelsoft Enterprises Ltd.