A short overview of technical applications of Vespadoctor in Starnberg near Munich
| - Conversion PX 80 to 125, Housing remains CS new with 57mm stroke | - optimizing and grandening of gaspath |
| - aluwelding for intake with polish and adjusting to 5/100 mm | - changing of steeringtimes |
| - lighter, modified flywheels same cooling performance | - mounting of bigger tyres - tuev sign up |
| - modification of piston and cylinder for besst gasflow | - conversion to motorcycle and tuev sign up |
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wonderful for dust! up and over! here PX 200 |
Scorpio exhaust converted! |
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lighter flywheel.. top accelleration.. |
so you get the motor sealed with hylomar or silicone.. |
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bigger gaspath - more flow - more power! Malossi 210 |
the surface is important...240er is top! |
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no go!! a welded 200er PX pimary gear.. |
aluminum welding!!! major important.. here V50 Motor thanx to all my teachers in the USA, AT and DE! |
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Many things can be calculatede in advance Dipl - Ing @ work! thanx to Prof. Dr. Pischinger in Graz for all things about Therodynamics and stuff! |
a complete steering diagramm for polini 133 |
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V 50 Motor with electronic ignition |
Stupid
peolpe destroyed good resonance exhaust - see
in the back.. i modiefied.. in the front see the
correct way to be!
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NEW: tuned 133ccm APE engine for Ape 50!
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By
far the most exciting project of this year was
modifying an engine for an APE 50. It was upgraded
to 133 cc with all the bells and whistles I usually
install. This included a larger cylinder with
adjusted transfer ports, a different crankshaft,
different timing, a different exhaust, a different
ignition, a different clutch, a different carburetor,
a different intake manifold, and, of course, a
different primary. The gear ratio was slightly
shorter because the APE is a bit heavier. You'll
have to invent something with the radiator hood,
or use a flywheel from an electric-start Elestart
PK. But then it works. :-))
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The installation of the fan wheel is not without its challenges. Milling is required at the relevant points. Tenths of a millimeter are involved here! |
Without the right exhaust system, the whole thing doesn't really amount to much. Of course, the Ramair is a must. A 25 PHP is enough! |
NEW: Further tuned PX 200 engine from Worb 5 with 228 cc for a T5 with Vape ignition!
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This
year, too, there was an extremely exciting project:
opening up a 200cc engine with a completely jammed
engine case and gearbox damage. This engine was
developed by Worb 5. Very well done in terms of
aerodynamics and mechanics. Fortunately, the customer
opted for a VAPE ignition with static ignition timing!
In my opinion, it's currently the best ignition
system on the market. Driving the device is a challenge
to your attention comparable to landing an
airplane. Full throttle is wonderful, but you really
have to measure it. The whole thing is a lot of
fun! 11 L/100km fuel to fun conversion guaranteed!!
Unfortunately, the vehicle is now in Vienna with
Bella Vamura, and he's having a ball!!
But no matter I know how to make something like that :-))) |
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Bad
for performance.. It jams!!
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Housing
ready...
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Bell
shaft - Top
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This
is how it gets tight....
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And
so on...
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Good
fluid dynamics - merci Worb 5
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More
SAE 90 oil!!
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VAPE
ignition - my recommendation!
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Malossi
MHR - Awesome thing!!!
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Mark
one... a guad!
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Of course there is also a video of this: Youtube - my friend!
New things in 2025
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SHB
16/10
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hihihi..nobody
knows:-))
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Same
same but different...
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LML
Automatic - Challenge
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Rollerbearing!
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Fuckring!
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The
good RAMAIR!
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Nobel
plane
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no
coment :)
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Extreme
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This
is what it should look like...
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...or
so...
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You
can't do without the puller grenade!
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Lots
of oldies - preferably with an on-board mechanic:-))
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Vespa
Oldie Meeting on May 24 in Muc
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Open
day SIP in LL
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New stuff in 2026
Last year also saw many great things. But there's still plenty of room for improvement in some areas!
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I've
never seen anything like this before... |
Perfect
fit! And excellent flow!
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Static
VAPE! Dear friends at SIP: |
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Same
same...
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But
different SHB :-))
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Without
- NO WAY!!
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Replace
it! It's impossible to repair!!
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Gentlemen
- get it out more often - this does not even
work as paint anymore!
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Check
it often! It's been three times already and
no one's been in it
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LML
is also a challenge...
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Practical
and good...
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Nothing
else to be done - bearings are shot - so let's
go!!
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Faro
Basso - very nice
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Even
4-stroke LX 50s can be tuned - but it's a huge
job!
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Polini
133... Play it a lot - and it'll really grow
on you...
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It's
supposed to have 550 ohms that's too
low.
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The
big secret: LAMBDA the air-fuel mixture!
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Dear
Vesbar: THIS is what a COSA clutch looks like!!
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Three new CDIs none of them worked! The fourth one finally did the trick! To
SC, SIP, and all the other suppliers: |
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Four-stroke
junk: usually the carburetor diaphragm is shot...
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In
Thailand, all the sprints look like rallies...
awesome!
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And
another 210cc Malossi MHR! Awesome!
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SIP
Road for the little ones... that one's great
too...
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ONLY! The static VAPE ignition! Here it is in
a 1959 GL.
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With
the MHR and Road exhaust, it's a blast...
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Almost
11K - quite sporty...
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Dedicated
to Tai Jason - the Music Man
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NEW
ENGINE! V50
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ALL
NEW! VNA..
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ALL
NEW! V50
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NEW
ENGINE! VBB
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For more pics simply click: https://www.vespadoctor.de/Vespa_art_tuning.htm







































































