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Discussion Starter #1
on the 04 burgman will the j costa variator work ,and where can i purchase the j costa all the web site so far have come up empty would appreciate any knowledge on this thank you
 

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Well, Most us had the J.Costa and simply put it back in the Box Only After 2-3 years of having it installed, The design is not very good at least for are Models.

and it look like there is a Clutch design available as well, as Belts and SUSPENSION.

Suggest you do more Research before you...

Bill Meek, has the same year model 400 or between you have, and he Boxed his J.Costa do to wear and tear of the J.Costa it self, Not sure what his status on his VARIATOR now...

and i thru my J.Costa in the trash 5 years ago ,even took it to a Machinist and had it Modified and it still Failed!!!! :(

Elliott,
 

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As I replied on another thread, I'd rethink the JCosta variator, and find out why the OEM configuration isn't working. It works for thousands of others. It should work for you too. :)

Several members have had JCosta variators...and had them fail catastrophically. The weights wear quickly too, and will cost $$ to replace.

Chris
 

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Discussion Starter #4
well thats enough info for me the stock works with no issues was just wondering mostly..after reading what you both said i wont go near it :) again thank you!!!!
 

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Yea! Chris, is right? i all so Purchased the Weights and 2 of them did not even Fit, ain't that something could not even get the Pin out had to brake it to remove the Weights ,.

Glad your steering clear but there is the MALOSSI Multivar 2000, and the Polini Speed variator, and Dr.pulley might have one as well, you might want to look into it.

Elliott,
 

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I would not recommend the J Costa variator as stated above by Chris there have been a number of problems reported relating to their short life and physical damage to the engine crankshaft. The latter caused by what was an odd design decision, that the bell is not splined to the crank and that unlike the OEM variator there is no positive drive between the movable pulley face and the crankshaft.

On the stock unit the ramp plate is splined to the crank and drives the movable face via four dampeners providing a positive drive. In the photo below you can see that the bell on the J Costa unit is not splined; it is held only be the force of the crankshaft nut clamping the fixed pulley, bushing and bell to the crank. Also as there is no provision for a positive drive between the bell and the variator pins/pulley face, it would be a very poor design even if the bell were splined as only one pulley face (the outer fixed face) is positively driven...

 

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Not that is was not a bad VARIATOR, it's just the Brass Sleave where the Boss slides into ,it's a Mistake to use that design, the Pins are to soft,

i think that the Bell as you were saying cliffyk, the bell should have been splined to so it would not turn and Damage the Crank Shaft spline teeth, and use the Stock OEM variator design of the Boss.

it would not be a bad variator if these things were fixed!

here is a video of the J.Costa http://www.youtube.com/watch?v=4HrHS7ZSNB0 FAILURE!!!!!!! :oops:

Elliott,
 

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A couple of pictures of my JCosta failure on my TMax... had new rollers and belt then started on a 2700 miles trip... the rollers started breaking up about half way.. knew the unit was toast so decided to head for home... had to be hauled the last 250 miles.



 

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Discussion Starter #9
this is why i like this forum.ask you shall recieve i asked and im glad there was enough knowledge to save my butt def staying away from j-costa :)
 
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