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Hi @dell. Looks like @docc is heading in the right direction, but so's you know where he's heading: The symptoms indicate that the battery is not delivering properly, i.e. dead. 'Nuff said, do what docc says.

Not the same as on Dave's I think, but Mistral has something similar https://www.mistralspecialparts.it/en/product/classic-exhausts-moto-guzzi-v7-700-special-eldorado-850gt/

Do you have a digital volt meter?

Hi docc, Its a 2002 v11 le mans, i unfortunately not good mechanically so I don't know what relays are on the bike. The battery is a motobat i can't remember the number, but when I looked it up it appears to be the correct one, I have only owened the bike for about 3 months so not sure of the battery age. Cheers Dell

Hi, Dell! What is the make/model/age of the battery? What relays are in it?

Hi all, I started my bike up couple days ago, bikes always on optimiser, started no problem, I stopped for a coffee after 35 miles, tried to start the bike nothing, I was kindly given a start from a guys jump leads, bike was running rough but managed to get home, tried to start it again, again nothing, after being on the optimiser all night it started the next morning. Appreciate any help ,thanks in advance. Dell

@Gmc28, I hope my effort to help set up your thread came out okay. Sometimes that be messy. I did try to add back your second photo, but not sure that came through.... Looking forward to your V700's progress!

(new thread here to unclutter dave swansons thread) I may have accidentally ended up with this machine. Oops. A friend wanted to unload it, and offered it a few times over the years, with me declining, but finally circumstances, an adjusted set of desires, and price aligned, and now i have it. I honestly had thought it was a ‘72 V7 from just eye-balling it casually in passing a couple times, but it’s a ‘68 V700. Need to strip the paint and redo the tank (etc) paint scheme to something stock, or stock-ish, and am loving that red/chrome. the chrome would presumably be harder to reproduce. probably will be a while till i actually do much with it, as this was not a planned thing. Need to clear out some other projects first. Will be eye-balling stock or close-to-stock paint schemes, how to clean up the semi-hacked rear fender on this one, getting new fork seals in, ways to maybe enhance/improve the clutch activation, etc.

I hate that when it happens

That looks like a great project too Gmc28. [ Best make a separate topic for it. ] [docc edit: done! ]

I’ll be keen to get input on this machine. For instance, Daves pipes look great, and am interested in details on those. Etc. I’m new to the 50+ year old bike category, other than bikes i rode as a kid, so even things like any hacks for the clunky center stand that wants to fall down to vertical, or the clutch engagement which is beautifully simple but clunky… are there hot tips on any of that floating out there in this group? Link to @Dave Swanson's thread:

beautiful. I may have accidentally ended up with such a machine. Oops. A friend wanted to unload it, and offered it a few times over the years, with me declining, but finally circumstances and price aligned, and now i have it. I honestly had thought it was a ‘72 V7 from just eye-balling it casually in passing a couple times, but it’s a ‘68 V700. Need to strip the paint and redo the tank (etc) paint scheme to something stock, or stock-ish, and am loving that red/chrome. the chrome would presumably be harder to reproduce. Link to my "eventual project" . . .

Potential failure of the aluminum flywheel in the Tenni and Scura, and 'possibly' the Rosso Mandello, but maybe not

i have not heard this before, good tip. thank you...

exploding clutch? this is a thing?

I'm going to make some more oneofthesedays.

I'm not sure if that is an A.C. tester ?

docc, this has been over complicated w/the DVOM and overthinking. Testing this w/a simple incandescent test light is the way to go. To prove a press. switch is n.c. just turn the ign. key to the run position. If the light is indeed off , remove the wire to the sensor and touch it to a good ground. If the light comes on. The switch aka sensor is bad. To test the sensor to be sure , connect the test light to a 12v source then touch the test light to a good ground. Light comes on and you have a good circuit. Touch the test light to the tip of the sensor. If the light comes on your sensor is good. If the light is off , the sensor is bad. I have about 4-6 Fluke 77,87,88 DVOMs and 2 Simpson 260s and a SnapOn MT 406 analog meters. What I do most test work w/is a simple NAPA test light. This test light will do two things . It verifies V and verifies a good circuit (because a DVOM will not introduce a load int the circuit) by loading the circuit w/a test light. A good wiring diagram and step by step testing will help ruling out possibilities and verify what is good and bad. Good luck Sam , do take notes and take steps. You will be doing this a lot. MotoGuzzis will have lots of quirks. Inop lights are just one of them . Light connections are just one. Have plenty of vaseline ,De-oxit . contact grease or whatever gooey you rub on contacts are. Charging V is imperative , lights are a luxury . If my bike starts and runs: good. Brake lights and turn signals are not needed. I live in Ky. You drive through the state. You will understand.

Well it has now arrived and looks in great condition for the age. Paint work needs addressing, along with a few other bits, but this is a very rideable project that will be played with. Have a list of things I want to do and check, now slightly longer thanks to all the helpful information above, but looks solid and ready to roll. The carbs fitted are certainly stamped PHF36s. Engine sounds nice and QT and ticks over nicely once warmed up. Looking forward to getting it a run down the road, probably next yr

It is a lot of fun. Perhaps the best bit is you can flog it as hard as you like, and you never get to silly speeds. Things to consider: I gather the V35 motor is less prone to problems with the heads and valves because the valves are smaller. The V50 motor has more power, of course, but even it is moderate. The clutch is heavy on both, but as already written here, the clutch from the V85 /V9 bolts straight in. Much lighter in action, and lighter in weight (kg). While you're in there, get someone to machine down the flywheel (make it thinner). There's a bloke in the german forum that does that, and can get about 1kg off of it, if I remember rightly. Looks like this when he's finished https://tsmsportz.com/postimg/CR5h3B36 I have a feeling that motor parts are a bit easier to get for the V35, but might be imagining that. If the motor becomes untenable, a V65 or V75 / Breva / Nevada / V7 motor will go in. It's then a bit tight around the carbies, but I know of at least one V50 with a 750 motor in it. It was built by Martin Hageman at Gpiu in Germany for his wife. Having said that, it has the V50 tank on it, not the Monza/Imola tank. With the Monza tank it might get fiddly around the fuel taps as well. Whatever, my V35 Imola is lots of fun.

I am actually seriously thinking of getting a V35 or a Monza. It must be a lot of fun with a lightweight machine.

Not yet, they don't.

The "small block" Guzzis are actually the "real" Tontis. Not just the frame, but rather the whole bike is a Tonti. Mine.