50cc engine

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kipper

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Hi guys .first of I am a noobie to this forum and feel a bit of an impostor as I don't have a lovely big jota.
I am sorry to start my first post with a question about a 50cc engine that came with a job lot of other engines.
It is a laverda50cc so i guess the best place to find out what it is is here.
it is a beautiful little four stroke with a sloping cylinder, and what seems to be large diameter boss's at the rear which I am guessing are swinging arm attachments.
Engine number is.................601359, ......with the name laverda ,50cc on the crankcase.
Is it a motorcycle engine or a industrial unit? any help would be gratefully received.
Regards Kipper.
 
Hi and welcome,

Could be their moped engine a pic would help Kipper.

Shaun
 
kipper,
the early singles used the first two digits for the year
and the last four for the production sequence
without a pic for us to look at you could check here
http://www.laverdino.de/Laverdino.htm
and identify the original fitment
cheers,
scott
 
Kipper,
        Does it look like this ?  If so its from an early 50cc scooter - later ones used a vertical cylinder engine in both 50cc & 60cc sizes.  Clemtog on here is the expert.

Regards,
Ally
 

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Scott ,
          Interesting re the first two numbers of the engine indicating year of manufacture ? I was led to believe they indicated capacity ?  My 60cc scooter with upright cylinder has engine number  60 3*** and has matching frame number LAV SC 60 3*** but the Laverdino web site suggest the change to the vertical cylinder 50cc /60cc machines was in 1962 ?  Anyone else add anything to this ?

Regards,
Ally
 
well thanks to all who replied, it looks like the engine is from the mini scooter in the link to laverdino.
The pic of the split engine is the same as mine, though it looks like I have been looking at it back to front as the cylinder slopes to the rear of the scooter and the lugs I thought were swinging arm lugs are in fact the kick start shaft.
The next thing is what to do with it, without the rest of the bike it is just an ornament.
Thanks again Kipper.
 
Jotally said:
Scott ,
         Interesting re the first two numbers of the engine indicating year of manufacture ? I was led to believe they indicated capacity ?  My 60cc scooter with upright cylinder has engine number  60 3*** and has matching frame number LAV SC 60 3*** but the Laverdino web site suggest the change to the vertical cylinder 50cc /60cc machines was in 1962 ?  Anyone else add anything to this ?

Regards,
Ally
Click to expand...

Mine is 60 2806, was produced late 1962 (sold in 1963), 60cc, vertical cylinder.
 
expert?
me?
full on messer more like.
I have four  engines,3 of 50cc and 1 of 60cc
all the 50's are two speed slopers,engines numbers are *600932*(6 digits) and *60318* (5 digits)
the other two are in my display stand currently situated in Richard Slaters showroom, so I cant check.
what seems most likely is that all sloper engines are 50cc and two speed,and that all upright engines are three speed and can be 50 or 60.

Just to thicken the plot, and not enough research has ever been done by me, in 2000 I was visiting Andrghetto's near Breganze,with David Fickling and he told us that the 3 speed 60 was never (in the UK) an actual 50, it was sent to the UK "stamped"  as a 50 so that car drivers and 16 year old could use them, no one would ever know that they were not 50cc,since the power difference is about .86BHP.The parts book for the upright engines lists parts for 50 and 60 engine size, I have never seen a UK 50 which was an actual 60, although I dont doubt what Andrighetto told me.

The main thing here Kipper, is that both of these little engines rely on oil vapour for top end lubrication, very unusual in an overhead valve four stroke design is the fact that there is no oil pump, in order to get top end lubrication the oil fill cap is a vented gauze (those double eared caps are very rare and frequently missing) and "fumy venting" has to take place to lubricate the top end of the motor, rocker spindles, for example.In the 60's almost all scooters were two stroke, so what happened was very often,petrol oil mix was installed in the tank and the bike would run, all be it smokily,nothing unusual there as all scooters are smokey, but because it is a fumy four stroke motor, over about 600 miles the crankcase oil would level would drop and because the owners were useing fuel oil mix, they kept going for a bit, only eventually to seize due to no oil for the piston skirt, from crankcase splash, then they were abandoned, but very often an engine would be saved.If yours is not seized, it will be quite a find.

I am waiting to increase my collection of sloper 50's by another three and then I will build a 12 speed air cooled V6.
MMMMMMM 18BHP 300 cc !!!!!!!!!
CLEM
 
Clem - such modesty !  JLO too - I failed to mention you as another scooter expert.....  There are lots of others on here and elsewhere who have helped me with information and parts for my machine. 

Idle curiosity - I am still trying to get a date for my scooter.  Judging by the numbers I have heard my 60 36** engine number must have been quite late on in production ? Anyone got a higher serial number ?
Its a UK registration from Reading ( 43** DP  ) and is probably prior to the introduction of the "A" plate suffix in Feb 1963.  The registration anoraks among us ( who me ?) will point out that areas with low registrations did not immediately adopt the suffixes so it may be slightly later than that ?  UK number plate web sites suggest this series was issued Reading Feb 1962 ? 

Ally

 
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