MV Agusta Forum banner

1 - 13 of 13 Posts

·
Registered
Joined
·
465 Posts
Discussion Starter #1
Had a bit of an issue on a ride this weekend. I lost indicators. Quickly replaced the fuse and all was good.

Went to ride today and the fuse popped.

Changed it, pop. Again. Pop.

So no indicators or horn. :(

Bit disappointed as it's a nice day and a public holiday.

No idea what it is. The indicators work fine when the alarm is activated.
 

·
Registered
Joined
·
408 Posts
have a look down inside the fairing nose you can see the horn connections, check that the horn wires are not compromised , mine had parted but had not shorted, a shot in the dark
 

·
Registered
Joined
·
1,549 Posts
Had a bit of an issue on a ride this weekend. I lost indicators. Quickly replaced the fuse and all was good.

Went to ride today and the fuse popped.

Changed it, pop. Again. Pop.

So no indicators or horn. :(

Bit disappointed as it's a nice day and a public holiday.

No idea what it is. The indicators work fine when the alarm is activated.
I don't mean to ALARM you but...
Is it a factory alarm or after market? Who did the install and was the wiring harness compromised?
If you're popping fuses there has to be a reason, so start with the usual suspects. Check that all connections are good with no corrosion or moisture present. Inspect relays, switches and the wiring harness for tell tale signs of over loading. Things like deformed plastic, bubbled shrink wrapped wiring and discolouration.
I hate electrical gremlins the most. They can be so dang time consuming and often turn out to be the last thing you would suspect of being the problem.
 

·
Registered
Joined
·
465 Posts
Discussion Starter #4
I have checked the horn and it all looks good. The horn is even still shiny silver.

The alarm was fitted by a specialist called in by the dealer. it's a datatool S4 C1 Red.

Nothing's corroded as the bike's new.

Thankfully the bike is still within warranty so a call to the dealer is in order first thing tomorrow morning.
 

·
Registered
Joined
·
1,594 Posts
My rear number plate lamp lamp went and kept popping a fuse (I think it was the number 3 fuse) it effected rear light (it worked when braking) and the front LEDs. After hours of head scratching, I systematically disconnected things until the fuse stopped going. Its always the simplest things that cause the most headaches.
 

·
Registered
Joined
·
115 Posts
Post MV Excitement Hump.

Italians and Electrics have never really had a great relationship. I have had my F3 800 for 4 months and have travelled a touch over 2600km. For 2550km, the love affair was in full bloom. Apart from the gear selector sensor recall, (which wasn't really a recall..more of a find out about it and organise a replacement yourself) and the ordinary low rev fuelling issue, (which I didn't see as a big issue...I bought a performance sports bike, it's not going to love puttering through country towns behind a line of soccer mums or waiting at traffic lights), the bike never had any problems and was a sensational beast to ride. The past 50 km, however has been racked up over a period of 8 weeks and has seen me silently declare that the excitement of owning this machine is over. I have spent more time lying down on the side of the road, waiting to pay someone to tow the bike back to the workshop, than I have actually riding the thing....not to mention $$$$$$. The initial diagnosis was a bad battery connection and earth, which caused leakage and some shorts, confusing the ECU. While still in the shop, after further digging, decided it was the ECU itself. So after 5 weeks, it's good to go. 10 km later on its first run out of the shop, the display reads, MALFUNCTION.....EXHAUST VALVE. Damn, straight back to the shop and a reset. Within the next 10 km, the same issue and I reset myself by keying on/off. 5 minutes later same issue, immediately followed by the original STOP ENGINE.... INJECTOR BLAH BLAH BLAH message and shutdown. Hmmm awesome i get to lay down for a couple of hours and give someone more money to get this pile back to the shop. Now it is looking like a complete wiring loom and another ECU replacement (bad batch apparently). Who knows when I will see that bike again, and when I do, I will probably be too anxious to venture any serious distance as it will cost more to tow back.
The most disappointing aspect of all of this, is the fact that all these things are known or suspected issues. Not once have I ever been contacted by MV. There is no communication and in my opinion, they really don't give a shit about the most important link in the network....you. If they just bit the bullet and sent out notice to all affected regarding known issues and suspected problem parts, then life would be much sweeter with an MV. Right now, I have this much faith in my bike.......I went out and bought a bicycle.
 

·
Registered
Joined
·
197 Posts
+ another sorry your bike has spat the dummy El Dopa. That does sound like some serious disappointments. Don't lose the faith.

Remember many owners have had a trouble free run. I've clocked up 28,000km. Well I was about to say no issues, but I am currently waiting for a replacement rear subframe. But it's a minor issue - number plate hanger bracing broke off the sub frame and covered by warranty. Still using bike after temporary weld repair so not really bothering me.
 

·
Registered
Joined
·
465 Posts
Discussion Starter #9
Right, turns out that some bikes shipped with the wires a bit too short on the horn. I found one of the wires wedged under the bolt for the horn, permanently shorting the circuit.

Removed the offending wire and all is good again.

Normal service resumed. :)
 

·
Registered
Joined
·
87 Posts
i still think there is a short in the alarm system that you installed ... they usually go threw low volt... i would check the wiring for that alarm you got before dropping grenades onto the bike.
 

·
Registered
Joined
·
465 Posts
Discussion Starter #11
Nope. No short in the alarm. It was definitely the horn, as it sits on the same circuit. One spade had no wire coming out of it. As soon as I taped it up and a new fuse, all was good. Took the bike out and no issues at all. Tapped the wire to the horn and the fuse went straight away (spent a small fortune on fuses!)

The indicators worked fine with the alarm, it was only when the ignition was on that the fuse blew.

Martin at Forza Italia diagnosed it almost immediately. :)

Cheers for the help guys! Advice is much appreciated.
 

·
Registered
Joined
·
341 Posts
Italians and Electrics have never really had a great relationship. I have had my F3 800 for 4 months and have travelled a touch over 2600km. For 2550km, the love affair was in full bloom. Apart from the gear selector sensor recall, (which wasn't really a recall..more of a find out about it and organise a replacement yourself) and the ordinary low rev fuelling issue, (which I didn't see as a big issue...I bought a performance sports bike, it's not going to love puttering through country towns behind a line of soccer mums or waiting at traffic lights), the bike never had any problems and was a sensational beast to ride. The past 50 km, however has been racked up over a period of 8 weeks and has seen me silently declare that the excitement of owning this machine is over. I have spent more time lying down on the side of the road, waiting to pay someone to tow the bike back to the workshop, than I have actually riding the thing....not to mention $$$$$$. The initial diagnosis was a bad battery connection and earth, which caused leakage and some shorts, confusing the ECU. While still in the shop, after further digging, decided it was the ECU itself. So after 5 weeks, it's good to go. 10 km later on its first run out of the shop, the display reads, MALFUNCTION.....EXHAUST VALVE. Damn, straight back to the shop and a reset. Within the next 10 km, the same issue and I reset myself by keying on/off. 5 minutes later same issue, immediately followed by the original STOP ENGINE.... INJECTOR BLAH BLAH BLAH message and shutdown. Hmmm awesome i get to lay down for a couple of hours and give someone more money to get this pile back to the shop. Now it is looking like a complete wiring loom and another ECU replacement (bad batch apparently). Who knows when I will see that bike again, and when I do, I will probably be too anxious to venture any serious distance as it will cost more to tow back.
The most disappointing aspect of all of this, is the fact that all these things are known or suspected issues. Not once have I ever been contacted by MV. There is no communication and in my opinion, they really don't give a shit about the most important link in the network....you. If they just bit the bullet and sent out notice to all affected regarding known issues and suspected problem parts, then life would be much sweeter with an MV. Right now, I have this much faith in my bike.......I went out and bought a bicycle.
hmmmm that does not sound very good at all. I'll be interested to see how it all turns out. My "Gas Position" error seems to have gone away. Last 1000k's have been good.
 

·
Registered
Joined
·
115 Posts
hmmmm that does not sound very good at all. I'll be interested to see how it all turns out. My "Gas Position" error seems to have gone away. Last 1000k's have been good.
Craigo, this period following the replacement of wiring loom and ECU will be the line in the sand. If it behaves itself then all good. If not, then it will be goodbye MV. Unfortunately this will be a financial nightmare. Even at 2600km and 4 months, I can't see it fetching more than $14-15,000. I am hoping more than anything that it is all sorted because it is a fabulous machine to ride, when it is working.
 
1 - 13 of 13 Posts
Top