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Author Topic: Aprilia Diary  (Read 126962 times)
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davidwheeler
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« Reply #465 on: 07 September, 2015, 10:12:38 AM »

Serdi did my series I engine boring it out to take series II Nardi pistons and converting it to shell big end bearings on the Harry-type built up crankshaft I had from 40 years ago, and made a very good job. Trouble was they recommended new, steel rods, reckoning that the old alloy ones would not be up to service.  This put the engine badly out of balance as Vibration Free found ("nearly jumped off the rig") but to their credit they balanced it perfectly.   It now runs very sweetly but has taken to pouring out blue smoke so I suspect broken rings.   Make sure the new pistons are the right weight or be prepared to visit Vibration Free!  (see Lambda thread for a very technical exposition of balancing narrow vee engines).

Turned out it was a loose plug sucking oil into the engine.  All is now well again!
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David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
simonandjuliet
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« Reply #466 on: 16 September, 2015, 04:15:52 PM »

Should be getting my engine back from "Serdi" soon, first crank was cracked but 2nd OK, mains white metaled and line-bored, rods fitted with modern shells and new pistons - will report back with photos and details once transport sorted
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S1 Aprilia Cabrio, S2 Aprilia, S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, '65 Mini Moke,R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 63,Fulvia Berlina GT, 2019 Royal Enfield Himalayan,JTD Ypsilon - Mathilda
simonandjuliet
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« Reply #467 on: 24 July, 2016, 11:36:39 AM »

Not posted here for a while, largely due to other projects .......

The Aprilia has been used on and off, but has taken a slight back seat. And she decided to get her own back this weekend when she let me down !

Even when things don't go perfectly, I have always managed to get her home, but not yesterday and I ended up being towed the last 500 yards ........

Problem is down to fuel supply.

Following a chat with Tim H, I checked my braided fuel lines and decided to go back to rubber hoses because the braided hoses had hardened in places and risked leaking. The braided hose that I have been using is rated correctly for modern fuels, but I am not sure it is up to it .........

I have also fitted a temporary 2CV pump and made the electric pump a priming pump on its own switched circuit instead of being on permanently

A few changes and something has been upset, so I will move the furgoncino off the ramp for a while and give the Aprilia the once-over

Photo shows her attending a concert here in the village yesterday - headline act was a Scottish/Occitan Ska-Rock fusion band - and was brilliant !


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S1 Aprilia Cabrio, S2 Aprilia, S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, '65 Mini Moke,R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 63,Fulvia Berlina GT, 2019 Royal Enfield Himalayan,JTD Ypsilon - Mathilda
simonandjuliet
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« Reply #468 on: 26 July, 2016, 02:19:59 PM »

It's OK, she loves me again ......

Up on the ramp, nice new fuel pipes (I had managed to kink one whilst fiddling !), quick service and grease and oil everything, adjust the brakes, check everything tight - one driveshaft spider had a tiny bit of play, so that was tightened

A reminder that she is still running with Ben-type couplings, that are still perfect as one one expect !

Short road test and ready to go again





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S1 Aprilia Cabrio, S2 Aprilia, S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, '65 Mini Moke,R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 63,Fulvia Berlina GT, 2019 Royal Enfield Himalayan,JTD Ypsilon - Mathilda
stanley sweet
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« Reply #469 on: 27 July, 2016, 09:24:50 AM »

First time I've seen the rear suspension of an Aprilia. Ashamed to say I never realised they had inboard drums and a transverse spring. Thought inboard brakes came along with the Aurelia. What a neat looking set up.
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1971 Fulvia 1.3S 'Leggera'  1999 Lancia Lybra 1.9JTD LX SW
simonandjuliet
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« Reply #470 on: 28 July, 2016, 06:27:43 AM »

Stan, added to that there are torsion bars that work in opposition to the transverse leaf spring and all mounted to a subframe - very advanced for 1936 !

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S1 Aprilia Cabrio, S2 Aprilia, S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, '65 Mini Moke,R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 63,Fulvia Berlina GT, 2019 Royal Enfield Himalayan,JTD Ypsilon - Mathilda
simonandjuliet
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« Reply #471 on: 06 June, 2017, 07:13:23 PM »

A while since I have posted here , but she is still very much loved .....

Indeed whilst the trimmer was here I decided to finally finish the headlining. I have been searching for all the bits to refit the rear blind, but I haven't found everything yet and have decided to finish it anyway

Old material has been removed and the new one will be made up and fitted at the end of the month. Need to find a solution for replacing some of the broken mounting points

Gives me a chance to clean and protect the metal and as usual I have come across more Italian graffiti 


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S1 Aprilia Cabrio, S2 Aprilia, S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, '65 Mini Moke,R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 63,Fulvia Berlina GT, 2019 Royal Enfield Himalayan,JTD Ypsilon - Mathilda
simonandjuliet
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« Reply #472 on: 26 July, 2017, 03:48:03 PM »

The new headlining is in and I have also found and remade some visors, so once the mounts have been tidied up they can be fitted as well

I have been getting a nasty bang/jarring through the front suspension on the rebound after large bumps in the road and after today's drive I noticed a large puddle of suspension oil underneath one of the front suspension units. I suspect something has broken ........

I have never dismantled a sliding pillar unit, mainly because they are so reliable but also fear of their complexity, however, I think that I am going to have to take this side to pieces

Before I start, is there any advice, pointers, tools etc etc please ?

I think that it is one of the later units - TAV attached

Thanks


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S1 Aprilia Cabrio, S2 Aprilia, S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, '65 Mini Moke,R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 63,Fulvia Berlina GT, 2019 Royal Enfield Himalayan,JTD Ypsilon - Mathilda
stanley sweet
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« Reply #473 on: 26 July, 2017, 03:52:06 PM »

No idea about the suspension but that's a beautiful colour green. First time I seen the whole car in daylight I think.
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1971 Fulvia 1.3S 'Leggera'  1999 Lancia Lybra 1.9JTD LX SW
frankxhv773t
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« Reply #474 on: 28 July, 2017, 08:17:02 AM »

Might it just be an oil seal they're gone? I imagine that without the oil there is no shock absorption hence the bang. You can live in hope.
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simonandjuliet
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« Reply #475 on: 29 July, 2017, 07:09:16 PM »

Thank you everyone, I have received a couple of pm's for suggestions. I will post as and when I attack it.

Cabrio welding due next week
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S1 Aprilia Cabrio, S2 Aprilia, S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, '65 Mini Moke,R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 63,Fulvia Berlina GT, 2019 Royal Enfield Himalayan,JTD Ypsilon - Mathilda
davidwheeler
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« Reply #476 on: 30 July, 2017, 03:35:47 PM »

There are no oil seals, it is a total loss system and requires regular topping up.  That is the reason for the oil tank on the later cars.  I suggest you do that first and try it out before thinking of dismantlement.   It happens regularly on mine.   Be aware there are two reservoirs, the top one is for the suspension damping and the bottom one is to lubricate the bottom of the sleeve.    Your pool of oil is probably leaking out of the drain plug of the bottom reservoir as there is no very clear route to leak from the top except when the suspension is working and it splashes out!     I use straight 30 grade which seems to ba about right.  Full instructions in the handbook!
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David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
GG
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B20 s.2, Appia C10 unrestored


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« Reply #477 on: 30 July, 2017, 05:07:57 PM »

Don't know about Aprilias, but in the Aurelia world, there is a range of thinking about the oil in the bottomStill keep 20W or 30W up top, which is doing all the work. Lancia typically called for 20W up top but at one time, 20-30W. In the bottom, they started with 30, then changed to 50, then EX 90. I think we use straight 90 in the bottom, and 30 up top (some say todays 30 is yesterdays 20).
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B20 s.2, Appia C10 unrestored
davidwheeler
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« Reply #478 on: 31 July, 2017, 06:25:14 PM »

Could well use a bit thicker in the bottom but no real need to do so as bearing surfaces more than ample?
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David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
davidwheeler
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« Reply #479 on: 31 July, 2017, 06:27:31 PM »

Have just looked at the pix on the other thread and I see that you have the oil feed to the top so maybe I am barking up entirely the wrong tree!
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David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
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