Just did the first service on my Vespa GTS 300 HPE.
This is the "break-in service" at 1,000 km (620 miles).

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You can follow along in this video or use the *chapter links below* to jump right to the part you are interested in.
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I've included torque specs, and specifications for fluids, etc. Also, there is the full Service Schedule at the end of the video that shows the service items for this break-in service as well as the 10,000 km service, 20,000 km service, etc.

This was my first time servicing a Vespa, so if you see any errors or omissions let me know! I'm not a professional mechanic, just a rider that occasionally tinkers. You'll want to have a authorized dealer do any work you have questions about and the maintenance necessary to maintain your warranty.

Robot at Scooter West is the "OG" of vespa mechanics, so check out his videos too. Scooter West is also a great resource for parts and tools! You'll find his videos here:
   / vespamotorsport  

If you like this video, please give it a thumbs up!

Chapter Quick Links:

0:00 Intro & Service Schedule
2:02 Oil type and tools
2:17 Beautiful toes
2:47 Checking engine oil level
5:14 Checking rear hub oil level
6:30 Draining engine oil & inspecting gaskets
10:21 Inspecting oil strainer
13:16 Installing new oil filter
14:30 Installing oil strainer
15:44 Installing oil drain bolt (24mm, 24-30 Nm)
16:56 Oil Capacity (engine & rear hub)
17:49 Measuring how much oil came out
18:13 Adding fresh engine oil (1.3L, 5W40, MA/MA2, full synthetic)
21:55 Final torque on oil filter
23:27 Checking the level after filling
23:54 View inside the dipstick hole
24:40 Starting the engine after adding new oil
25:16 Checking brakes and safety fasteners
26:00 New engine oil level check
27:32 Hub oil change intro -accessing drain bolt (6mm allen)
28:55 Making a funnel to keep the wheel clean
29:40 Draining the rear hub oil
31:39 Inspecting the copper crush washer
33:10 Installing the drain bolt (6mm allen, 16.9 Nm)
33:17 Adding fresh gear oil to rear hub (250ml, 80W90, GL4, gear oil)
36:59 Air filter housing drain/check bulb
37:52 Checking coolant level (T25 torx bolt)
39:04 Oil level after test ride, final amount (I added a total of 1.25L)
39:30 Coolant top-off
40:07 Type of coolant to use
41:33 Checking brake fluid levels
42:07 Throttle and electrical system
42:25 Conclusion - view the Scheduled Maintenance Table