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Hi Right i have had the fuse/cdi box replaced and it still cuts out when itss hot and i stop at the lights etc, they have ordered me a new ephram chip in the hope that that cures it.

I have also just ordered an arroew carbon stubby, do you think it is worth adding a power comander and setting it up on the Dyno, the warrenty runs out in march so i am getting a bit concerned
 

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I'd say that you should see what the eprom does for you before going all out and getting a PCIII, 'cause I'd figure that'd be the end of your warranty. Nonetheless, we (as a board) have blathered intensely regarding this problem and the solutions vary pretty much by each bike (I just deal with the stalling, myself).

Anyways, the Arrow'll pretty much require either a custom eprom or a PCIII, 'cause it'll change the flow of the bike pretty intensely. I'd say that once you get the eprom and your problem isn't solved, get a PCIII, install the stubby and load up the map that Power Commander lists on their website. From there, just enjoy the bike at higher speeds. Red lights are stupid and unnecessary.
 

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The Dude
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PCIII didn't do anything for my stalling. Maybe it did for a bit, I thought so, but of course you would think it helped after dropping a some coin on it.

Still have issues here and there with stalling. Also with left blinker coming on sort of randomly. Seems to come on several seconds after using the right blinker.

that black box (whatever it is called, cartridge thing by the fuses) was replaced for several hundred dollars. still same issues. I'm just careful coming to a stop to give it a tiny bit of throttle slowing down so it doesn't crap out on me.

I assume you've got a 910S?
 

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I can't help you with an MV but can give you my experience with my Duc 1098 and hope it might help.

I installed a PC on the Duc. For several reasons. It came with a "dynoed map" for the ECU and exhaust on the bike. It was worse than the stock ECU map. I have since installed a different exhaust and gotten another "dynoed map" for it. Even more worse. Back to the stock map again. There is only one way to map a PC and that's to get it dynoed for a custom map for the particular bike.

I'm not sure about the MV as I've never had a stalling problem with mine, but the Duc had a stalling problem when coming to a stop. The idle rpm was set at 1350. Because the CR is 12.5:1 and the rotating mass within the engine is so light I feel that when hot and at 1350 rpm it didn't generate enough inertia to get it "over the hump" on the compression stroke. The idle was increased to 1550 rpm and the stalling is gone.

I don't know if this helps but i would certainly agree that you should investigate potential prolems with your engine as it is now before going to a PC. They really aren't all they're cracked up to be.
 
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