Silencers

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Paddy

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I notice some exhausts kick up more than others. Since the mounting points are the same  i presume this is a result of a longer collector box  or lower collector box so longer headers ?? any thoughts ??

 
there are approx 37 different collector designs around which effects the position of the exhaust cans
the angle of the piece of pipe coming out of the collector has the biggest influence
header length also does effect the angle of the dangle as well

120 Jota was the last of the decent dangle angle, once the 120's arrived the dangle angle changed to stuff all to nearly flat and thus 120's just look plain stupid

might just duck for cover now  :D


 
cheers Red, mine on the right needs the silencers to kick up more , I notice my headers are curved and the others straight. Might be a SS system on the left.
 
I rebuilt the bike in the top picture it has had the collector modified to kick the silencers up a bit. System is assembled from Keihin parts which do not fit great hence the mods. The lower bike seems to have its original downpipes and collector and the silencers are sitting more like the factory angle but its forks are on backwards.. Nothing fits as well as the original stuff, for the 180 bikes Malcolm Cox's silencers and collectors fit real nice.


    Keith
 
Keith, this keeps cropping up, if the forks are on backwards then how come the drain plugs are at the back and the axle nut is on the left ? According to Falloon the early 120's had the forks on this way round. Falloon also says  Ducati had new castings made to move the callipers behind the forks and keep the drain plugs at the back. I have never seen a pair of Marzocchis with rear mounted callipers and rear drain bolt. ?? Ducati's with rear mount callipers or front mount callipers do however have the axle nut on the left so there must have been different castings.
 
Recon I've seen more Laverdas than funny fingers Falloon. Ducati and Laverda used different fork castings probably because Laverda figured their prospective owners would be smart enough to just spin the fork leg around come oil drain time.

  Keith
 
So really my forks are on the right way round, Laverda just put them on backwards after the early 120's  :D :D
 
No, what has most likely happened is Falloon has got his series 2 180s and 120 Jotas mixed up then published an inaccuracy, all of the 120 Jotas left the factory with the calipers at the back, not seen a period picture showing otherwise. Phil put one up just the other day from when him and his storeman were at the launch. There are a few mistakes in the Laverda bible, nice book that it is nonetheless.


  Keith.
 
It's all about the speedo drive and ease of fitting Paddy.

Not sure why Laverda made such a mess of reversing the fork sliders on the Jota 120, probably attempted to do it on the cheap with existing parts, but they changed their mind and reverted to the old system with the RGS series.

The 120 Jota had a unique speedo drive spacing washer part# 33 115 201 to get the wheel centred in the forks, as opposed to all other triples and twins with 20mm front axle #33 115 781.  The 120 Jota is the only model that had the axle inserted from the left.  Easier to insert the axle from the right, through the speedo drive into the wheel first and then fiddling the spacer onto the axle on the left, need 3 hands to do it from the other side.

Draining the oil from the front of the slider keeps the clamp bolts nicely oiled! :D

piet
 
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