- Dit onderwerp bevat 62 reacties, 24 deelnemers, en is laatst bijgewerkt op 1 jaar, 2 maanden geleden door Crullie.
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3 februari 2014 om 18:38 #261884
DR-flenny forced ma to post my birthday present here.




gasket need some rework to fit

the small Malossi inlet will be changed by a Stage6 with larger membrane for a 24mm carb
3 februari 2014 om 18:43 #282910Haha No No!
I did not force anything and next to that i did not say HERE.
This is a Perso ;)! So you need to enlighten us with more informations on your plans and the future of this engine.
What moped etc More pictures and more explaining mister mister!3 februari 2014 om 18:58 #282911DR-flenny forced me to put it under a Grillo :whistle
For that I have two options

3 februari 2014 om 19:19 #282912The flowers go realy nice with the Simo engine 😀 😛
3 februari 2014 om 19:27 #282913FLOWERPOWERRRRR:pimp
3 februari 2014 om 19:30 #282914Das sieht ja gut aus, wie immer 😉
Ich nehme an dass du im Zylinderkopf auch ein Dekoventil ein baust?
3 februari 2014 om 20:53 #282916Nice birthday present!! But i would not say the same about the Flowerpower Grillo so if i can vote i vote for the blue Grillo as i like it :).
3 februari 2014 om 21:41 #282919for sure the flowerpower:D
4 februari 2014 om 12:00 #282921Yeah 4 sure the flowerpower Grillo
:lol4 februari 2014 om 17:27 #282922I’m green :lol take the flowerpower indeed…
4 februari 2014 om 18:01 #278854Looks great
15 mei 2014 om 17:51 #262425short update after a while.
As I heard negative experiences with new Simonini krukas I decided to order a 46mm stroke Sprocatti krukas.
If you compare the connecting rods of a Simo krukas (top) and a Sprocatti krukas(bottom)the Sprocatti looks much more durable for a 81,5cc engine.

also the Sprocatti connecting rod has a slot in the piston pin bearing area for greasing

then I made first rough pre assembly of the components. There need to be some rework on the piston in the marked area

also there is not much gap between piston on lower end position to the carter.

the piston window is not complete open compared to the window in the cylinder

and looking through the inlet side, there are cylinder and piston blocking a nice gas flow. This will need to be reworked as well.
15 mei 2014 om 18:09 #262404You’ve tried to made visable the differences between the Simonini and Sprocatti cranks, but it looks like you have not the new type Simonini 46mm stroke on photo. Your crank by the looks of it, looks more like a 44m stroke?
A new type Simo 2007 crank looks very similar to an Sprocatti crank.
Still like to know which connecting rod Sprocatti uses as it looks like they cut of the old logo or branding.Some reference:
http://vespa-ciao.nl/page.php?id=4515 mei 2014 om 18:16 #262281yes, that is my old 44mm Simo crank.
Didn’t konw the Simo crank look similar now. But I have heard from a PMT member that he bought a new Simo crank with bad bearing passing.
So I decided not to buy a Simo one.15 mei 2014 om 19:43 #262271That is true. I’ve had several different (NEW) Simonini crankshafts that all had bad bearing clearances.
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