A Little Engine for a Bicycle from 1947 - Conservative Restoration

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Published 2024-03-24

This engine was marketed after the Second World War to offer ordinary people the possibility of moving around, using it together with a simple bicycle. In the video, in addition to the restoration process, I will briefly delve into the history of these engines, illustrating the reasons for their birth and the context in which they emerged. While I will be restoring this engine, I will not be following a total restoration approach; rather, I will adopt a conservative method that will preserve its' lived-in appearance. The video will end with the completion of the engine restoration, while the second part will focus on its assembly on the bicycle and the related tests

00:00 Introduction
00:24 The context of engines
02:34 A rest for 10 years
03:50 Disassembly
05:30 We remove the old grease
06:05 Washing with gasoline
06:49 Disassembly of bearings
08:12 Washing with degreaser
09:09 New bearings
10:09 Replacement of crankshaft and gears
11:54 New graease
14:36 Cylinder head and piston
17:21 Cylinder
18:03 Replacement of the thermal unit
19:04 Exhaust
20:20 A new capacitor in the old housing
21:58 A spark plug Magneti Marelli NOS
22:28 Cleaning the flywheel cover
23:23 Cleaning carburetor in ultrasonic tank

Credits:
histclo.com/essay/war/ww2/camp/eur/ita/w2i-inv.htm…
histclo.com/essay/war/ww2/eco/ind/sector/auto/cou/…
unsplash.com/
jenikirbyhistory.getarchive.net/
philaphoto.com/
License code: CBLM6432J3X14FD6

All Comments (21)

@johnnybgoode6466 1 month ago

what a beautiful little engine - why can't they still be made like this today. You have to admire the engineers who designed this in the first place - truly incredible.
@heinpereboom5521 1 month ago

What a beautiful engine with an ingenious 3-speed gearbox! It is very special that people made such beautiful things at that time. Very good film of the restoration!
@BRI33NOR 1 month ago

What a lovely little motor. What a treat to see a real mechanic fitting new bearings without a hammer
@Cypher916 5 days ago

7:30 "Paper Soaked in water"... nice one ! learned something new :)
@sheppowed4483 1 month ago

7:27 what a very clever way to remove bearings from a blind hole
@michaelb.42112 21 days ago

My God, this is the coolest thing I've ever seen. I had NO IDEA these mods were available when Roswell happened. How ahead of their time. 60cc on a bicycle is INSANELY fast !!!! I would've given up 1982 Christmas to have one of these !!!
@user-zo9dc1lu3q 1 month ago

As Italian i can say only one thing : BRAVO !!! :face-red-heart-shape:
@tolan-4947 7 hours ago

Аккуратно, без спешки.. и отличный результат!
@aleksp.5742 1 month ago

Всё шикарно сделано, за исключением одного момента! Нельзя класть столько смазки! То же самое- попробуйте наложить под завязку, в редуктор угло шлифовальной машины! Это приведёт к перегреву и повышенному износу ! Но в этом видео, главное «лайки», а не грамотность сборки!
@deepindercheema4917 8 days ago

2:34 I like the polystyrene Helicopter being shifted to extract the 2 stroke on the shelf.
@fredtracy1673 1 month ago

I would love to see it fitted to a bicycle of the same time period! cheers from Canada 🇨🇦
@beakittelscherz5419 1 month ago

Actually the grease doesn't look too bad at all! lovely Motor! That must be the smallest Valve I've ever seen 🤓 Well done & Thanks for showing! :yougotthis::shelterin:
@peeps124 1 month ago

Lovely! Very much looking forward to the next part too!
@rod0700 1 month ago

Thank you for not ruining the engine by filling it with paint, you are a restoration hero!
@SharkoonBln 1 month ago

I´m impressed. Did not intend to watch the whole video, but I did. Very well edited. Those grease-shot alone are awesome 🙂
@user-cd7kq1uj5e 1 month ago

Vélo électrique :non merci Ancêtre du vélomoteur (moped) oui Ancêtre de la moto oui Très beau travail de restoration
@rapidrrobert4333 1 month ago

I like the blued/blacked fasteners, excellent touch. Not buffed, thank God.
@joyosetube 1 month ago

Saludos desde España...has realizado un trabajo exquisito con esta restauración...desmontando hasta el último tornillo para dejaro todo casi en estado de fabrica...He pasado un rato entretenido observando como realizabas todo el proceso de restauración...Ahora solo queda verlo montado en una bicicleta y funcionando....
@isekaiexpress9450 1 month ago

Ah, sweet memories of childhood. I remember mounting such one on a Mishutka children bike, so my mom would allow me to store it in our small apartment, because the motorbike would be too big to fit in the elevator. Technically, you could wheelie it in, if it weren't for the exhaust... Ended up renting a garage.
@russellcollins5692 1 month ago

Bearing in a blind hole, nice trick. Ta. Touched it only when nessasary 👊 Beautiful 🧚