By Tim Murray
All of the 150cc models used the beautiful "clamshell" speedometer which was also used on the G.S. The 150 had a "Vespa 150" badge riveted to the right side of the legshield. The Vespa and Vespa 150 badges were made of flat aluminum. They had a similar layout to the later motors, but were not rotary valve. Bottom LineThe Vespa 150 is a robust scooter and capable of use on today's roads.
DescriptionAftermarket Flywheel Vespa VNB/VBB/GL/VBC/Sprint and more (94733) with Metal Fan. Must use "TOOLFLY26" for removal and flywheel nut 012066. This is all you can get these days for a flywheel for VBB, GL, Sprint, Super that will work with points style ignition systems. Original vintage look with detachable metal fan. They are made in India, but they actually work really well and have strong magnets.
The upper bulb on the bike is the brake light, which is the bottom bulb on the schematic. You've confirmed that there's a good ground connection, so now it's time to sort out the problem with your switch box. Could you post a pic of the back side of your switch box so we can see what's connected where? Yet according to your earlier post, the brake light only works when high beam is engaged. The only way this could happen would be if your bike isn't wired according to the schematic you've posted.
Beginning in 1953 with the VN1-2, the Vespa 125 (VN1-2, VNA and VNB) scooters were Vespa's bread & butter models from the mid 1950s through the mid '60s. The later VNA 3-speed model was upgraded in 1959 to the 4-speed, rotary-valve induction VNB. Other than the engine upgrade, these models were practically identical. Vespa 125 scooters used the smaller 8" tires (3.50-8) common on early large-frame Vespa scooters.
