Drivechain- Laverda Jota Series II 180 - 1981 Model Year

Reggie3cl said:
Yes, it is easier on your output shaft bearing, but the main thing is the vastly improved gearchange.
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Improved gearchange - 100 $ for a set of chain and sprockets.

NOT having your engine out of frame and splitting the cases to replace the knackered output shaft bearings - PRICELESS :-X  :D

My 3C is equipped with a top-shelve 520 chain, shaved front sprocket and alloy rear sprocket. After 6000k's with lots of rain and even salted roads still no signs of wear and tear. Saves a few kilos, too. Will stay on that route, it's worth the extra money IMHO.

Regards,
Stefan

 
I have a brand new RGS length 630 chain still in the box, I wouldn't use it, but if anyone one wants it, bid me on it and either collect it (Kent 25 miles South of central smoke) or suffer another fifteen quid for a UK delivery, plenty of spare 16T and 36T sprockets on the shelf as well, maybe new, I haven't looked in a while.
CLEM
 
sfcpiet said:
Friend of mine works at a (very) large BMW dealership.  His stories of what is swapped out in the course of ordinary servicing without the customer knowing is simply mind-boggling.  Recently, BMW swapped 1000s of final drives and gearboxes, mainly on GS shitheaps, during service stops.  They did not issue an official re-call in order not to damage their "unburstable" image!  The poor buggers that don't have their "bikes" serviced have to pay through the nose when things go pear-shaped...

This practice isn't limited to BMW motorcycles alone, their automobile dept. is just as affected, as are most of the other major manufacturers.  Before they admit defeat, like in "we seriously fucked that up", they will attempt to secretly mod the vehicle without raising customer suspicion.

piet
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I've not had this chance with a BMW K1200 that I intended to use as a commuter. First the oil pump failed, leading to broken conrod bearings, metal everywhere into the lube system and the whole engine, engine needed to be rebuilt entirely. Then the final drive broke suddenly. Then the "special" BMW oil seals (no spring) fitted when I rebuilt the engine (fitted correctly with the special tool) broke, first near the ignition, then between the engine and the clutch. Clutch slipping as a result of course, there was not even a hole to the bottom of the clutch housing to let the oil drop out to allow to come back home before changing the clutch disc... Replacing the clutch disc is probably the most ridiculous process that I've ever seen, needs to dismantle half of the bike, 2 days of hard work in my case. And, while finally getting to the clutch, I noticed that the clutch cylinder began to leak, the fluid dropping exactly onto... the clutch disc! Bike now sold.............

Forgot my friend who owns a recent 1200 GS, with a broken final drive also...

Laverda unreliable?.....
 

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About to finally bight the bullet and fit a 530 chain, how many links should I be looking at or does enough come in the box.
Any thoughts on which is the best brand?
Thanks in advance.
 
Terry Dymond said:
About to finally bight the bullet and fit a 530 chain, how many links should I be looking at or does enough come in the box.
Any thoughts on which is the best brand?
Thanks in advance.
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Hi Terry

sort of like asking what is the best oil or the best tires.....

personally I like any of the high strength X ring chains, most come in a box with 120 links then I just cut to length. I have 530 sprockets on all three triples in my garage at the moment. I tend to replace drive chains fairly frequently, together with sprockets. Cheap peace of mind. Also means I don't have any real world opinions on longevity, I replace them well before they actually wear out.

waiting for Andychain to speak up.........

Paul LeClair
 
Thanks Paul,
Yea I know, opening a can of worms. I'll be fitting an aluminium rear sprocket (along with a steel counter-shaft sprocket). Wanted to know if the standard length supplied is long enough, you answered my question (120 links) so I'll cut to the correct length. Was going to ask recommendations on tyres (BT 45s fitted at the moment) but I guess people's preferences are pretty subjective.
 
Hi Terry

Conti has a new 18 inch radial suitable for our classics. I am going to try a set of the Conti radials next time I need tires. The folks that have eben fitting them to vintage Laverda's and bevel Ducati's seem to think highly of them. I don't know what the pricing is like.

I have Bridgestone BT 45's on 4 vintage bikes in my garage, and I fitted a pair of Conti Go to my current 82 1200 TS Mirage project just to try something different. I don't have the bike running yet, so no opinion yet. If I had known about the Conti radials I would have bought the Conti radials them instead of the Conti Go bias plys.

The other reason I didn't go with the BT 45's this last time is I was unable to get a 100/90 18 front BT 45 here in Canada, no-one could find me one. Weird......

Paul LeClair
 
Paul LeClair said:
Conti has a new 18 inch radial suitable for our classics. I am going to try a set of the Conti radials next time I need tires. The folks that have eben fitting them to vintage Laverda's and bevel Ducati's seem to think highly of them. I don't know what the pricing is like.

Paul LeClair
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I suppose you must be referring to these (or the others), Paul.
 

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Terry Dymond said:
About to finally bight the bullet and fit a 530 chain, how many links should I be looking at or does enough come in the box.
Any thoughts on which is the best brand?
Thanks in advance.
Click to expand...

Someone has said that there are 88 links in a 630 chain, so assuming that's correct a 530 needs 106 links using a bit of basic maths.

630 pitch = 19.05mm (3/4")
530 pitch = 15.875mm (5/8")

So 19.05/15.875 x 88 = 105.6. Boff.

Glen.
 
AndyW said:
I suppose you must be referring to these (or the others), Paul.
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no, nothing like the tyres he is referring to, follow this link

http://www.conti-online.com/www/motorcycle_de_en/themes/motorcycletires/sport_touring/contiroadattack2_en.html


 
Those tyres in the first pic look like TG22s (I think that's what they were called)- I had them on my LC back in the 80s.
 
TKV 11  & 12 and ContiClassicAttack

Here. http://www.conti-online.com/www/motorcycle_de_en/themes/motorcycletires/conti_classic_en/tkv1112_en.html

And here. http://www.conti-online.com/www/motorcycle_de_en/themes/motorcycletires/conti_classic_en/classic_attack_en.html



 
Thanks guys, 106 links it is.
Looked at the tyre links, seems Conti doesn't make the radials in 100/90/18 and 120/90/18 sizes, only the bias ply Go models come in those sizes.
 
They do,have a look under the UK country section.Whoever designed there wensite and chose the tyre names should get a huge kick in the arse.The website is confusing and all there tyre names are so similar its easy to confuse them as well.
 
Terry Dymond said:
Thanks guys, 106 links it is.
Looked at the tyre links, seems Conti doesn't make the radials in 100/90/18 and 120/90/18 sizes, only the bias ply Go models come in those sizes.
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Terry , look under AW,s links , Conti Classic attack  ;)
Nice lairey tread , should suit your Lairey Canary Laverda  8)
Hooksey.
 
Must be missing something, I agree with Terry. I can't find the 100/90V18 and 120/90V18 together in a classic radial either on the Conti site. But then I am a bit of a f*ckwit when it comes to finding my way round any website!  :D Stuart
 
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