Vespa GS150 (1959) with LML180 Reed Valve Engine
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Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Mon Jul 13, 2015 9:35 am quote

Vespa GS150


Vespa GS150
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 8067
Location: Victoria, Australia
Mon Jul 13, 2015 1:53 pm quote
Very nice indeed! Is it vented?
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Tue Jul 14, 2015 6:13 am quote
Yes through the hinge. The wee thing that looks like a t-shirt.
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Wed Feb 17, 2016 8:29 am quote
A little taster of what I am changing this year on my daily runner, more to follow.

Hooked
Vespa 125GTR p125x p200
Joined: 26 Oct 2013
Posts: 368
Location: Kent
Sat Feb 20, 2016 11:05 pm quote
Reed set up
Gary

What adaptor did you use between the lml casing and the reed block, any pics of the set up ?

Ricky
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Sun Feb 21, 2016 1:49 am quote


Is this what you are after, Rick. For some reason I can't crab the link, but here is the description from SIP.

Intake Manifold MRP 30mm, Intake Manifold MRP 30mm,
for reed valve casing LML
for PHBH 28/30/VHS 24-30/TMX
27/30/PWK 28/30 carburettor,
for Vespa 125 VNB-TS/150 VBA
-Super/Rally/PX80-200/PE
/Lusso/T5/Cosa/LML 125-150
2T
inner diameter: 30mm, outer
diameter: 34mm,
reed valve RD350 necessary
spacerPut on notepad
£89.34
Art.No.22159184
Preview
In the SERIE PRO range we offer a real gem for largeframes with reed valve engines from tuning experts MRP! Following the footsteps of the well-proven manifold for disc valves... here are the reed valve manifold´s for largeframe engines with a long or short inlet sealing face. The manifold fits on the high performance RD350 reed valve. By means of the unique rotatable connection, the carburettor’s position can be adjusted ideally within the frame. You no longer need to weld the engine! All screws, washers, spacers that you need are included in the scope of delivery. (Reed valve is not included!!)

Conclusion: High-end intake manifolds for maximum carburettor tuning on largeframe reed valve engines.

SIP-TIP: Perfect with the RD350 reed valve block (art no. 40310000) or the TASSINARI V-FORCE (art no 40312120). Don't forget the reed valve block gasket (e.g. part no 78544000)!
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 8067
Location: Victoria, Australia
Sun Feb 21, 2016 3:18 am quote
Gary the carb in that photo looks like it sits quite high - how much space is there below the float bowl to the cylinder cowl when it's all assembled?
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Sun Feb 21, 2016 7:19 am quote
I changed that carb to a PHBH, theres plenty of room, more with the stage6 carb than the dellortto, although on other GS's I have built, which I built my own manifold I did grind a little of the barrel fins. You need to cut the cylinder cowl to actually fit with this set up.
Hooked
Vespa 125GTR p125x p200
Joined: 26 Oct 2013
Posts: 368
Location: Kent
Sun Feb 21, 2016 8:06 am quote
Thanks Gary that's what I was after👍
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Sun Feb 21, 2016 8:10 am quote
you can also get one for the rotary engine casings. I did make my own for the P2, T5 & PX engines.

I have also got another project on the go, this time using a GS150 engine and with the new parts for the engine available, I have been told it should easily hit 65+

Vespa GS150
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 8067
Location: Victoria, Australia
Mon Apr 25, 2016 7:02 pm quote
How did you get on with that two shock setup? Does it work?
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Tue Apr 26, 2016 2:18 am quote
Yes it does work, but would only go down that route if you were fitting a tuned engine into a 60's frame, we are nearly there with my mates scooter with the disc front end & the two shock set up as well.



I will post more pictures of the set up in a few weeks, I have to strip the forks again to do a bit of work to them & change the hub that is on the picture above.
Member
Joined: 25 Apr 2010
Posts: 16
Location: Fargo
Sat May 07, 2016 2:02 pm quote
More!! more!!! more!!!! I love it. you can't post enough pictures of that bad ass scooter!!!!!!!
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Sun May 08, 2016 3:30 am quote

Vespa GS (2016)


Vespa GS (2016)


Vespa GS (2016)

Last edited by GLscoot on Tue May 10, 2016 11:56 pm; edited 1 time in total
Style Maven
74 50s x3 78 P200 x2 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 8147
Location: seattle/athens
Mon May 09, 2016 1:04 pm quote
Just wow! Be-still-my-heart material right there, I am lusting.
Member
Joined: 25 Apr 2010
Posts: 16
Location: Fargo
Sun May 15, 2016 10:16 am quote
oh... gone tubeless!! G dammit I like that thing!
Member
Joined: 16 Apr 2016
Posts: 47
Location: Dhaka, Bangladesh
Tue May 24, 2016 9:53 am quote
Loved your project. thanks for sharing
Hooked
GS-150 VS4
Joined: 04 Feb 2020
Posts: 114
Location: Vallejo, CA
Sat Feb 29, 2020 11:04 pm quote
I am overwhelmed. Absolutely amazing and so far from my affordability range I can't even think of doing anything comparable. That exhaust system is staggering. Where is the battery now? Or is there even a need for one anymore?

Thanks for sharing it all.

I am currently trying to restore a gs 150 I stumbled upon in a work trade, and wonder how I will eventually afford it. One step at a time. It's quite interesting to see what people all over the world do to these things. I was originally considering it's beauty being in it's simplicity as a mostly urban form of transportation, but modification appears to be addictive if not absolutely necessary. I would love to get a vespatronix kit some day at least.

By the way, my grandmother was from Scotland. She made the best shortbread I have ever tasted.


cheers.
Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Sun Mar 01, 2020 3:04 am quote
There are plenty of options nowadays, to use the original engine, 12v ignition, cnc cylinder head, cranks, carbs, shocks, exhaust & even the opportunity to fit a PX clutch depending on which crank you decide to buy. Check out scooter-center & sip- scooter shop they stock all these upgrades.
Hooked
GS-150 VS4
Joined: 04 Feb 2020
Posts: 114
Location: Vallejo, CA
Sun Mar 01, 2020 12:38 pm quote
I am just figuring out how to do a decent paint job first. I am still a beginner at this and know little about working on a 2 stroke engine, though I did have an RD 400 a few years back.

I actually have more experience at building guitars and furniture. But I am no stranger to a mig welding machine.


cabinet made of recycled materials


detail of hand made guitar


metal sculpture

Molto Verboso
Vespa GS150, Messerschmitt GS150
Joined: 21 Jan 2013
Posts: 1062
Location: Glasgow
Sat Mar 27, 2021 9:59 am quote
whats going on, cabinets & sculptures.
Hooked
GS-150 VS4
Joined: 04 Feb 2020
Posts: 114
Location: Vallejo, CA
Sat Mar 27, 2021 8:32 pm quote
Not much. I recovered from covid and am trying to get some money to get more parts. I need an ht coil and some speedo parts to start with. The whole project is still back burnered for the time being.
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