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Admirable, those that can build their own amps! Speaking of which, I'm sad to see that PhotoBlockit has obstructed @Trevini's contributions to this thread . . .

Okay, okay, I know this is not a tube amp. But last week my trusted thirty-year-old Onkyo stereo amplifier overheated and shut down. The heat sink on the amps was 200ºF! I couldn't touch the top of the amp; figured "She's ded, Jim " . . . After a cool down, she came back on! So, I got a US$22 "computer" fan and set it on top of the stack with some isolation "feet", custom screen attachments, and a dose of wishful thinking . . .

"Crabbing" the SpineFrame may well be an early P.Roper-ism . . . Chocking the front of the bike whilst loosening the front engine mounts and releasing the rear mounts to hoist the rear of the SpinFrame up off the chassis:

Having removed the throttle body "assembly" from mySport, it is best performed with the frame "crabbed." Otherwise, one has to get one of the throttle bodies off the rack in situ. It can be done, but likely to double your vocabulary . . .

Certainly still relevant to the topic, then. Have you seen to the main ground of the negative battery cable to the back of the gearbox?

14.2, but not more than 15.0. This is the Odyssey PC545 range. If you have opted for a non-OEM battery for your V11 SpineFrame, YMMV . . .

FWIW and BTW, since this ongoing charging failure "troubleshooting sequence" does not actually appear to be a "30 amp fuse failure ", the whole sh'bang looks to deserve its own topic . . .

Yep: not charging. Time to check the individual wires and connectors that @gstallons referenced. What is the voltage at the red/black reference wire?

Okay, I forgot your 2003 is a 2002 "carryover." Looking forward to seeing those voltage readings.....

Pretty sure there is no "Charge" or "battery" indicator light on the later V11 SpineFrames. If your V11 has a single turn indicator, there will be a "battery" light in the cluster. Later V11 have left/right turn indicators and the battery/charge light is absent , IIRC. The red/black wire from the regulator connecting into the "brake light" etc is the voltage reference from Relay #2, yes? Watching for @LaGrasta to post that series of voltage readings . . .

Edited my post. Thanks for the input @Tomchri and @guzzigary !

Your 2003 V11 has no "battery" indicator light, correct?

Hmm, could be presumptuous of me to conclude Öhlins suspension equipped V11 SpineFrames also/all had Öhlins steering dampers - perhaps not the Rosso/Nero Corsa? @Tomchri (and others) could take a look at their V11 Corsa and report back?

@Lucky Phil, Thanks for the edit and image of the Öhlins steering damper as supplied on the specific V11 SpineFrame models. If I understand correctly, the factory V11 Guzzi mounting brackets, both bitubo and Öhlins, have solid mounts to the damper body and the "bolt tilt"/dead spot is a non-issue. It is the aftermarket dampers and possibly dampers fitted from other applications that may have the problematic, duplicate bearing on the damper body mount.

Series of voltage readings under various "states" . . . KOEO = Key On/ Engine Off KOER = Key On/ Engine Running (at idle, at 1500 rpm, at 2500 rpm. I would also take one more voltage reading before turning the key on, after the battery has sat quiet for some hours (perhaps six hours or more). . . .

Lulu looks suitably pissed off about the whole thing . . .

Not all costumes are about "Halloween", although there might still be Trick or Treat !

Pretty sure I have never seen a Marzocchi steering damper. Forks, yes. Seems that all V11 SpineFrames were delivered with bitubo steering dampers except those sold with Öhlins forks/shock got the Öhlins steering damper (Scura ans Scura R, Café Sport, Coppa Italia [edit: but NOT Rosso/Nero Corsa]). [edit /August 21, 2024, having learned the Rosso/Nero Corsa have bitubo steering dampers.]

This ^^^ (Well said.)

Sorry, my man. I forgot you never sleep . . . I am just now reading through your excellent post. Thank you for the images and excellent feedback! [edit: Took my premature post down.]

Same source (Austin Colle):

Here is the link that I saw that image collage where it is attributed to Austion Colle: https://www.thisoldtractor.com/guzzi007/sportissimo.html And the Austin Colle "Historic Motorcyc;e ads" link: https://www.austincolle.co.uk/historic-motorcycle-ads-80-s-90-s-0

What is the AC voltage being output by the two yellow wires from the stator?

Ah! The title page to @callison/ Carl Allison's valuable content on thisoldtractor.

Unless it is just for the photo shoot, in which case there is already too much wardrobe involved...