Refitting drive chain with sprocket cover in place

Paul Marx said:
You're not touching any of the setup. Spring, selector and you're not touching the excentric.
Take the whole lot off.
Put the whole lot back on, and ride off.

Paul
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You're missing the important bit, Paul.  Of course, the selector pawl and the eccentric need not be disturbed.

The position of the cover in relationship to the internal selector drum is what makes shifting a dream or a nightmare.  Apparently, the tolerances differ a lot, it often takes a bit of fiddling to find the sweet spot.

piet
 
sfcpiet said:
You're missing the important bit, Paul.  Of course, the selector pawl and the eccentric need not be disturbed.

The position of the cover in relationship to the internal selector drum is what makes shifting a dream or a nightmare.  Apparently, the tolerances differ a lot, it often takes a bit of fiddling to find the sweet spot.

piet
Click to expand...

Yes, slightly oversize holes on the sprocket cover.
You've put your hands in a lot more than I have, but I've never had the slightest problem, be it twins or triples.
My boots are 43 european size.  ;)

Paul
 
Paul Marx said:
Yes, slightly oversize holes on the sprocket cover.
You've put your hands in a lot more than I have, but I've never had the slightest problem, be it twins or triples.
My boots are 43 european size.  ;)

Paul
Click to expand...

I don't have any problems either, but obviously, many others do.  Only fair to point out the shortcomings of the design.

piet
 
Dellortoman said:
Sister gear? It could just as easily be a brother, but I guess yours must have a crack in it ?  (bolt)
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I am bereft of ribs...
 
IAG said:
Gearbox in neutral, feed the chain through the top of the sprocket-gravity is your friend! Worst case bend a coat hanger to assist. I'm assuming chain has been lubed?
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This was the strategy that worked  - stiff coat hanger wire with a bend which was hooked through the lead link and this guided it over the sprocket while a screw driver helped move the sprocket round and feed through the chain.  And with that she is complete and has had her first run out which revealed the back brake is non existent and the front is good, well bled and hard, but shows some sign of seepage at the join of the cylinder and its mounting bracket/piston  >:(

So back to bleeding brakes - a task which seems to expose my lack of competence - too tight and leaks, too loose and leaks...and any combination of other symptoms and causes.  Practice makes perfect I gather...
 
I hate o ring chains for that very reason, they have a mind of their own when trying to run the around a small sprocket.

As for the brake bleeding, get some new fucking copper washers, old ones are fucked. No amount of practice will cure fucked copper washers. I?ve even seen some fucking stainless banjo bolts that were fucked too, so fucked, new fucking washers would seal the fuckers.

I just watched the ?fuck? video posted here, so I thought I?d give you fuckers a fucking taste of the fucking content, unless you missed it while out fucking with your fucking motorfuckingbikes. FFS.

 
nice to see someone is paying attention  :-*
Nick how was it? apart from the fact that it didn't stop?
And pics, need some pics.
 
TC said:
nice to see someone is paying attention  :-*
Nick how was it? apart from the fact that it didn't stop?
And pics, need some pics.
Click to expand...

Hi Tom - the idea of avoiding removal of the covers was irresistible, at least for a couple of attempts!  She went well over the limited distance I travelled.  In my haste I forgot I'd not secured the pins the hinge the seat and arrived home to find they'd disappeared  :(. Photos shortly - for the time being she's back of the ramp.
 
Understandable Nick, when i got mine "finished" I went for a ten minute ride with no number plate ::) best ten minutes Id had in a long time.
:)
 
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