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Technical Advice

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Serveta jet 200 rear shock mount

The solid peg that is the upper mount for the rear shock on this Serveta Jet is measuring 22mm in diameter, while normal Series 3 Lambretta shock bushing tubes are 18mm in diameter. Lets just say that fitting a new and expensive shock to this Jet isn't going to slip right on there.

106 Views
portergieske
Sep 21, 2025

Issue solved. I put a strong vice grip clamp on the tube and hammered it loose, allowing me to work it off. The seam was covered by powder coat.

Front Disc Brake "I" Cap

Does anyone know a way to secure the front brake "i" cap cover? I have lost 2 on the road. Picture below for reference

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89 Views
Mike Anhalt
Mike Anhalt
Jun 23, 2025

You could install a grub screw to force it into place and keep it from coming out, but then you have a big grub screw stuck on the side of your back plate. I would try flexing the legs of the cap outward just a little bit so it bites into the back plate a little stronger or and maybe in conjunction with some use of some low-grade Loctite so it sticks together.

Vape or Variatronic?

Hi all, I’m looking for advice on whether to go with a Vape or Variatronic (Casatronic?) ignition system.


Right now I’ve got an LI150 engine that needs a flywheel which will be going electronic, and soon I’ll be rebuilding an early Series 3 TV175—that one will also be getting an electronic ignition kit.


Would love to hear your experiences or recommendations—much appreciated!

88 Views
Mike Anhalt
Mike Anhalt
Jun 09, 2025

Vape is a much better EI system than a varitronic. Upgrade the crankshaft to GP200 also.

Drive side bearing - Halite washer

1963 Li150 - Riverside.


Howdy all. New member here, so I have a little problem navigating the search functions. I have a question regarding the halite washer. My drive side bearing came with 2 seals. I removed the one seal on the sprocket side behind the dished washer so that it could lubricated by transmission fluid.


With the other side of the bearing that nestles (cuddles?) up to the retainer plate, I SEEM to recall that I could leave that bearing seal in INSTEAD of the halite washer? Your advice here is most appreciated.

Viton seals for crank, are in place.


Thanks and cheers,

Deno

73 Views
Patrick Birke #902
Patrick Birke #902
Mar 11, 2025

I think you could go either way and I’m sure there are varying opinions on this but FWIW, I once used a sealed bearing on one side and included the halite washer to keep the same tolerance for the retaining plate. Since then, I always use unsealed bearings on rebuilds as to not have this mental debate.

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