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a Malossi Reedvalve engine (the one you probably get) has a side inlet mate 😉
:con
malossi engines have a rear mounted carb :!
(wich means it hangs off the back, not the side :p)
really, never knew that.. sorry mate.
(Picture?)
yeah, the malossi case has the carb out back. i’m staying away from the side outlet motors because i like having pedals.
When I look at this I’m starting to think the malossi 46,5 isn’t a bad choice. The only unfortunate part is the big Deps port, which will only feed a small boosterport(maybe you want to enlarge that one somewhat). But that’s not the end of the world obviously.
If you choose malossi, there’s the option of removing the flange, tuning the exhaust port(since topspeed is your priority) and weld a bigger flange(27-30mm) back on the cylinder. Also, the case provides enough removable flesh for matching.
Standard it’s supposed to be faster than the 46 Polini, with a little tuning it should be able to manage the gasflow that the big carb produces and go fast.
Pinasco is still a good option as well(little expensive though), since you’re not afraid to ‘get medieval on his ass’:D
About the inlet, are you planning on making it yourself? I mean the part that holds the carb? Many believe it is better to do so because with the standard set the carb hangs above the inlet, not in front of. The advantage of the 19mm kit is that it fits perfectly in the frame whereas a home made thing might be hard to mount with the airfilter included.
Try to get your electronic flywheel machined and balanced for better throttle response(std.=1,4 kilo).
is this the standard malossi 80cc kit?
as for the intake (inlet), i will make one of my own. i’ll have to wait until i have everything sitting in front of me to see what i’ll need to do, but i should be able to make it work without too much trouble.
and for the electronics, a friend of mine who owns a machine shop has had much success adapting a cdi kit off ebay to fit puch and motobecane motors, and we think we can make it work for a vespa as well. this is a photo of the one we got to work on his puch;
problem with that set up, though, as i’m sure you’ve noticed, it has no fan. i have a flywheel from a kenitic, i think, that is steel with a plastic fan riveted to it. i popped the rivets off and removed the plastic fan and it looks like i should be able to mount it to the tiny internal flywheel very easily, and it will all still fit under the fan shroud.
also, there is no lighting coil with this set up, but i think i will be using a small battery to power my lights, or i might use a bicycle lighting system.
thanks for the help you guys. i really appreciate it.
no that is not the standard malossi 80cc kit, it’s the DEPS version.
you can see this by the big DEPS port on top of the cylinder.ok, i see now. it’s hard for me to understand the cylinders page on this site, i don’t know any dutch at all and online translators are sorry things.
why does the dep version not appear to have a transfer on the left side (top side in that pic)? i see the base gasket has a cut out for it, but the cylinder doesn’t have one? weird
does anyone know of a good photo showing the bottom side of the malossi 80cc kit? the one on the site doesn’t show the port passages or the boosterport.
sorry to be asking so many questions, but as i’ve said before, we have no resource for ciao tuning in the states.
The deps is mainly piston ported and fed through the single top transfer.
I’m looking for proper photo’s but they’re scarse.
that is so weird! i’m not sure i understand how it works.. if i could see the cylinder in person i could probably figure it out.
does the dep have better flow than one with the two transfer ports?this is what he means feeding through the piston:
you can see that the cilinder doesn’t have one, but two ports;
one is to let the fuel/air mixture pass through, and the second one is too let it go into the cilinder
so the mixture doesn’t go from the crankcase , through the ports , into the cilinder (like most other cilinders)
but from the crankcase , through the port in the piston , through the first port of the cilinder and through the second port of the cilinder
i quickly drew something for you:
if I where you I’d choose the malossi 46,5. I have looked at the 50cc athena of a friend of me and I don’t really like it. the triple port on it doesn’t add anything to the performance in my opinion, because the middle one is really small and the two outside one’s are microscopic. also the transfer ports aren’t really nice, the boostports flow the mixture right into the exhaust.
is the des kit hard to come by? i like that you can remove the exhaust flange. also, i’ve never worked with a piston ported cylinder, it would be fun to mess with it.
Yes it’s very hard to come by, otherwise we’d all recommend you the deps because it’s ideal for the malossi case.
Actually most fast cylinders are piston ported, for example my polini 38,4:
You see the 3 top transfers(boosters, the well known ‘W’ port).
Now look at my piston, in which I made the transfer slot myself because it isn’t a Polini piston:
The slot is ment to feed the three top transfers as the piston goes down.
So the deps is fed mainly this way, and a bit through the single top port.
awesome. it’s too bad the malossi dep isn’t available at a more reasonable price.
so now i guess it’s down to the malossi and the pinasco.
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