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Did a 6000 service earlier and while doing the valve clearances I managed to poke the little rubber bung that covers up the TDC mark all the way through, no chance of getting it back, whats the chance of it doing any damage in there?

none.
(Not that I'd ever do anything that daft....ahem)

sorry Tim,

i have no idea how bad this is / could be?
lets hope its not that bad....
Lars

r550s wrote:none.
(Not that I'd ever do anything that daft....ahem)

didnt think so myself but cheers anyway

Can confirm that when I changed the clutch 20000 miles later, the offending bung had, presumably, been reduced to dust. (whisper) I think others have done this too.

I always thought it was tricky putting the rubber back in. Glad to know it's not too serious if it drops inside.

r550s wrote:Can confirm that when I changed the clutch 20000 miles later, the offending bung had, presumably, been reduced to dust. (whisper) I think others have done this too.

you did the clutch yourself?

Very big job? Special tools needed? Just curious for the future

I wouldn't have thought that a small rubber bung would have an impact on a few kilo's of fly wheel spinning at high revs. If it was picked up by something at all then I think it would be pulverised in seconds.

Who knows, it might help with friction plate grip

Cheers, Cobbster.

That bloody bung is a PITA. I left it removed for some 120'000 miles with no ill effects.
From memory, I think the bung would just drop out the bottom of the clutch/ flywheel casing when pushed into the housing?

Bailey.

Ok so the rubber bung will be on the pressure plate side of the clutch mechanism.

Due to gravity and the void beneath the clutch it should just float about and stay there.

At worst it may get picked up by the output side of the clutch get flung about and maybe get lodged behind a pressure plate finger, which may in the most exreme circumamstances cause a bit of clutch slip, probably one in a million.

Which due to rotational forces means it will be dislodged the next time that you use the clutch.

My view is oh fcuk I wont do that again

BUT me being me I would rip the fcukr apart and fetch it out.

My view only

Bob

23.50 pissed (as usual)

Thanks for putting my mind at rest guys, I will not be ripping it apart Bob, doesnt bother me enough to risk attempting a g/box job at the back of the house, (No garage at present), so stay it will.

Bailey, bet you dont get these probs with the deauville??

One thing I must add, the valve clearances were quite badly out, especially on the left pot, and blimey, the difference, not just in quiteness of the valve train but responsiveness is quite amazing.

timbox2 wrote:Did a 6000 service earlier and while doing the valve clearances I managed to poke the little rubber bung that covers up the TDC mark all the way through, no chance of getting it back, whats the chance of it doing any damage in there?

Best to leave well enough alone unless it's making a Hoore of a noise
(I think)

It's a tractor, it'll be fine...

Hi Timbox,

When you say your tappets were out, do you meen tight or slack. The last time I had mine done by a local bike work shop they said they had tightend in which according to them was common.

I'm doing mine next week myself so I'll find out if they have moved either way during the last 5000miles.

Thanks, Cobbster.

Cobster, mine were all a bit slack in fact, but i know what your bike shop are talking about, all the jap bikes Ive had have nearly always been the other way, tightening up rather than loosening, which was an absolute pain in the arse as most of them were of the shim variety, the BM is so DIY friendly, well most of the time

Well, finally got round to adjusting the tappets as part of my ongoing 12000 mile service. I normally take it to my local bike shop but I thought what the heck Iv'e got the time so I'll do em myself.
They were way out ( slack ) I had noticed they were a bit noisy but the biggest difference is how much more responsive it is. Revving from start was always a bit fluffy but now it seems much crisper. I followed a technique that uses 4 feelers to set them up which seems to have done the trick.

Twinmax was ordered today so with any luck I'll be TB balancing on friday. Keep you posted......

Cheers, Cobbster.