no drive!

johnr1100s · Post by **johnr1100s** » Fri Aug 04, 2006 6:03 pm

sat at east Ilsley, with a treo, and a lovely r1100s with no drive! Runs a treat, pulled out of a services after filling up, changed to second, no drive, third etc etc....
waiting to be recovered so I can do the trip in my spare van (incase it gets broken into).... won't be the same...... it was all planned, wife and kids went this morning.... I'll follow on tonight!
Anyone got any ideas.... clutch slipping? splines gone.... and would that be engine, gearbox or clutch???
Ho hum!!!

Ade B · Post by **Ade B** » Fri Aug 04, 2006 6:10 pm

oh dear - sounds familiar - could this be due to recent hot weather

or Israels attack on Lebanon....

See earlier threads and good luck.

Ade

johnr1100s · Post by **johnr1100s** » Fri Aug 04, 2006 6:20 pm

Just read your thread Ade, am now sat rocking back and forth and gently sobbing..... as people cross the street to avoid me.......

I've put my helmet down upside down in front of me for spare change..... do you think this is too much?

johnr1100s · Post by **johnr1100s** » Fri Aug 04, 2006 6:44 pm

Well AA man number 1 has been, started it and it sounds like driveshaft..... noise of splines definately from shaft housing! Don't know if that's better or worse!? Now we wait for AA man number 2....... hopefully with bike trailer or carrier..... it's not like I didn't tell them I was on a bike!
Still I suppose it looks good on the response times!

gus · Post by **gus** » Fri Aug 04, 2006 8:56 pm

Oh dear!
Be very intersted to find out whats been happening to yours and ade,s bikes.
Hope you get it sorted asap.
Good luck
gus

johnr1100s · Post by **johnr1100s** » Fri Aug 04, 2006 9:11 pm

just got home.....

whilst waiting I was reading 'shafted' from Gus,

I believe from your thread that your splines were close to knackered, is it possible I've stripped the splines on the shaft, and then lost power?

The drive went suddenly, on an upshift, so I guess if the splines were worn then the torque could have finished it off......

I used to have a metro that lost drive through the hub splines...

anyway... just looked on motorworks site, one piece driveshaft is 105 and bevel box is 235..... if I can get one/if that is the problem!

still it will take my mind off the non working clock!!!

bike only has 15000 miles though!

gus · Post by **gus** » Fri Aug 04, 2006 10:12 pm

Hi
It was the rear UJ that started to go on mine,caused by the circlip breaking.I noticed it right away and managed to get a S/H UJ and a new circlip.I take it you had no warning off the impending failure,no vibration or strange noises?This leads me to suspect it may be the clutch splines or gearbox output shaft splines.Hopefully the first of the two,as this is a cheaper and easier fix.Although still a pain in the arse to do or big bucks at the dealer.Lots has been documented on the pelican site about this.I dont know if its poor quality components or how users operate the clutch and gearbox thats resulting in these failures.Lots of bikes have gone big mileages without any problems.
Yours seems a very low mileage bike for this to happen.
gus

johnr1100s · Post by **johnr1100s** » Fri Aug 04, 2006 10:26 pm

at about 7000 miles it went back to dealers because the bevel box was loose, and the bearings were replaced under warranty, could this have caused any knock on problems?

that was about 3 or so years ago...... so I'm not argueing in terms of work and blame, but more interested as to why it has gone,

the only other thing I can think is because of the lennies induct, laser system, bb power chip etc..... but I don't think the increase in power is anything more than negligable, if anything it revs quicker but this I would think would cause slip in the clutch under acceleration....

gus · Post by **gus** » Fri Aug 04, 2006 10:34 pm

You want really know until you take it apart.Start from the rear end and work forward from there.Damage should be easy to see.On a side note,if i remember correctly the shaft is made up of two pieces.Maybe thats give up the ghost.Bailey or jason may know more.
I dont thinks the engine mods you have done would have contributed to the failure.
gus

bigblackfalco · Post by **bigblackfalco** » Sat Aug 05, 2006 6:51 am

I've never heard of the splines failing on any BMW driveshaft.
If one of the UJs has failed then it would have been a gradual very noisy issue!
Your problem is almost certainly the splines on the input shaft in the gearbox. If the clutch friction plate is not 100% centered when it's assembled then it doesn't take much for it strip the splines off.
Let us know you findings.
Bailey.

Jason M · Post by **Jason M** » Sat Aug 05, 2006 12:23 pm

bigblackfalco wrote:I've never heard of the splines failing on any BMW driveshaft.
If one of the UJs has failed then it would have been a gradual very noisy issue!
Your problem is almost certainly the splines on the input shaft in the gearbox. If the clutch friction plate is not 100% centered when it's assembled then it doesn't take much for it strip the splines off.
Let us know you findings.
Bailey.

Me neither - start the engine and pull the clutch in - if the noise is still there then it's the clutch/gearbox thing by the sounds of it. I'm just waiting for Ade to arrive with his stricken S on a trailer and we're going to get it appart this afternoon - if it's the same thing, then I guess I'll start offering a cheap service

Jason

johnr1100s · Post by **johnr1100s** » Sun Aug 06, 2006 7:57 pm

mmmm..... seen Ade's photo's, and it looks quite a job!

I was going to drain the gearbox and shaft and see if there was any bits in the oil.....

But I imagine now, that like Ade, it will be this shaft,

Motorworks look to be selling secondhand gearboxes for 425 +vat, this seems a little steep for me right now..... do I have any other options, does anybody rebuild bm gearboxes, with a new input shaft, as one of these is £95... does anyone know a rough rebuild price.

Also I cannot find my CD manual, can anyone 'lend' me a copy??

cheers.....

John

boxerpan · Post by **boxerpan** » Sun Aug 06, 2006 9:01 pm

johnr1100s wrote:..... do I have any other options, does anybody rebuild bm gearboxes, with a new input shaft, as one of these is £95... does anyone know a rough rebuild price.

John

Try Scriminger BMW in Sleaford, he does a lot of sub-contract rebuild work for the dealer network that they don't have the specialist knowledge or time to do.
01529 300434

Jason M · Post by **Jason M** » Sun Aug 06, 2006 9:25 pm

John mate - if you're is the same as Ades - you'll need a new clutch too - sorry dude!

If you can get the bike down here and leave it a few weeks I could probably do it for you if you got the bits!

Jason

Ade B · Post by **Ade B** » Sun Aug 06, 2006 9:30 pm

As mentioned in PM - am happy help out once I get my basic mechanics and hammering certificate from Jason.

Ade.