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Author Topic: Aprilia Cabrio - here we go again  (Read 12190 times)
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simonandjuliet
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« Reply #195 on: 09 October, 2017, 05:27:11 PM »

Yes - some welding to do ! - It does look a bit like a dysfunctional noughts and crosses and David, I am not sure there would be many in the LMC who would find trailing arms as "sexy" as we do here ......

Good news on the parts-searching-front, I have found a Zenith carb and all the bits to fit it correctly, plus a correct starting handle.

NB there is a VERY dodgy chap in Italy who advertised a starting handle, with photo , but when it arrived it was completely different to the photo (not Aprilia) and did not fit either of my cars, plus he would not accept it back - I would say that was fraud

I rarely share bad experiences like these because they can get lost in translation , but not here, I have the proof !

His name is Giovanni Mungo from VintageItalianCar - avoid like the plague
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S1 Aprilia Cabrio, S2 Aprilia, S1 Appia Promiscuo, S2 Appia furgoncino, S3 Appia, R4 Sinpar, R4 Rodeo, Velosolex, R60 Tractor, Moto Guzzi Ercole, Disco 3, Fiat 500C, Moto Guzzi Cardellino 73,Honda XLV750R,Fulvia 1600 HF
the.cern
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« Reply #196 on: 09 October, 2017, 06:19:21 PM »

Thank you for flagging that one up for us!!!

I'm glad you managed to source the correct handle anyway!!!
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Cesare Ferrari
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« Reply #197 on: 10 October, 2017, 10:10:14 AM »

I am sorry to hear that Simon has had a bad experience with Giovanni Mungo. I have had a few useful things from him, and he sells excellent remade Aprilia hubcaps.
Caveat emptor though of course.
Cesare
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Aprilia series 1 1938
simonandjuliet
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« Reply #198 on: 15 October, 2017, 07:01:04 AM »

More positive news this time - my chrome is back ...... and it is beautiful ! Most of it is still wrapped up but here is a sneak preview of the steering wheel. At the Avignon Motor festival earlier this year I met some guys who are based near Beziers but who work with a company in Barcelona . There is little or no chroming done in France now , only spray chrome where it is done .  I am very happy with the quality and the price seems reasonable (although still expensive !)

I tried out the new carb/linkage parts to see if everything is there - seems OK, I just need a small modification on the end of the butterfly spindle to locate the horizontal bar

Plus, the great clean up continues, the sump has probably taken 2 days to clean up if you include stripping the oil pump, taking the filter apart etc. The sump plug had to be drilled and cut before it would move.

Last job was to remove the gearknob so the lever can be re-chromed - another job for the heat induction thing because there was no way I could unscrew it by hand. A bit of gentle heat and it unthreaded easily without any damage to the bakelite


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S1 Aprilia Cabrio, S2 Aprilia, S1 Appia Promiscuo, S2 Appia furgoncino, S3 Appia, R4 Sinpar, R4 Rodeo, Velosolex, R60 Tractor, Moto Guzzi Ercole, Disco 3, Fiat 500C, Moto Guzzi Cardellino 73,Honda XLV750R,Fulvia 1600 HF
davidwheeler
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« Reply #199 on: 15 October, 2017, 12:50:06 PM »

I see you have solved the problem of engine suspension springs but, please tell us, how do you get the engine to levitate in the engine compartment?
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David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
lancianut666
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Slow but rough


« Reply #200 on: 15 October, 2017, 06:16:11 PM »

That throttle linkage looks like it could of been part of the Titanic...
Clarkey
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
stanley sweet
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« Reply #201 on: Yesterday at 10:25:13 AM »

That steering wheel is just gorgeous. How was it chromed? Do the spokes and boss detach from the bakelite?
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1971 Fulvia 1.3S 'Leggera'  1999 Lancia Lybra 1.9JTD LX SW
simonandjuliet
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« Reply #202 on: Yesterday at 07:23:50 PM »

David - it is a bit Harry Potter - "crankcasaium leviosa" and the Titanic had nothing on an Aprilia, they last a lot longer !

Stan, the wheel had a corded grip that I had to remove (will find an old photo later) then hub and rim were rechromed , the boss and centre were done separately. I will unwrap everything later in the week and take photos. At some point , I will find a way of re-doing the wheel with string/cord. Last time it was green , I will reflect on that one !

Next batch of chrome has gone off to be re-done

Having cleaned up lots of bits, it is time to start putting them back together. I started on the bottom end of the engine today. The machining has been done by Serdi UK - new pistons & liners, NOS conrods fitted with shells, ground crank, white-metaled mains , new studs etc etc - I have bought houses for less than this all cost  ...... but it is beautiful !

However, you still have to check it all. The oil pressure relief valve was completely gummed up, blocked and needed cleaning , also the big-ends have split pins and once you have the oilway fitted the split pins fouled it, so they needed to be trimmed. You also have to be careful how the baffle plates are refitted because they will go back both ways but need to be forced one way which risks breaking the vertical plate mountings - I think that this is the correct way !

This engine is made up from a number of donors (not surprising after nearly 80 yrs) so it is back to square one for the timing. So a new TDC has been identified, distributor drive synchronised and new timing chain and wheels fitted.

To get the distributor drive right I set 1&3 at TDC , left out out the peg (can't remember the correct word !!) on the crank so that the front pulley and drive can move, rotated the dizzy driveshaft so when it was pointing to #1 , the +ve supply and capacitor are 180 from the block and don't foul - allowing future timing adjustment. Once done , the peg was refitted

Aprilias don't have modern oil seals , but spiral throwers - a thread on the front and back of the crank that uses surface tension to return the oil back to the crankcase, so it is important to ensure that the surfaces are clean and even. I am sure that someone can explain this much more clearly ....... it is all very carefully machined and no sump gasket is used, so again all surfaces must be clean and have no damage.

So , bottom end finished , next is the top end . I have found everything , now I need to see what needs to be replaced/machined ..... and while I am waiting for that I can start on the ancillaries - for example, I need to get a working petrol pump and filter from this lot !




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« Last Edit: Yesterday at 07:33:47 PM by simonandjuliet » Logged

S1 Aprilia Cabrio, S2 Aprilia, S1 Appia Promiscuo, S2 Appia furgoncino, S3 Appia, R4 Sinpar, R4 Rodeo, Velosolex, R60 Tractor, Moto Guzzi Ercole, Disco 3, Fiat 500C, Moto Guzzi Cardellino 73,Honda XLV750R,Fulvia 1600 HF
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