firing

My 07 Tuono is only firing on the rear cyclinder. I have tried a new coil, changed the leads and spark plugs to the other side of the coil where they work fine! Can anyone offer an suggestions?

My 07 Tuono is only firing on the rear cylinder! Have tried a new coil, changed around the plugs and leads, they all work on the rear but not the front!! Any ideas, bike has only about 20,000 kilometres ie about 12,000miles!

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Hey all, a little background on me. I'm a Yamaha/Suzuki certified bike mechanic but haven't worked professionally in a few years. I'm also missing a service manual and proper tools where the bike is. Sooo I'm working on a buddy's 07 RSV1000R Factory. It's cranking over just fine, has fuel...

Hi guys, I am new to Aprilias but have had, and worked on bikes for er, too many years. I bought a non running 2000 RSV Mille with what the owner thought was "a dropped exhaust valve, and no clutch pressure". Turns out the clutch release bearing disintegrated dropping balls all over the place...

Hi folks i have a problem.I ran out of fuel and after filling up she wont fire.Checked the fuses all fine,tried a new battery fully charged spins over great but still no firing.Just lifted the tank and the only electrical noise i can hear when turning the ignition on appears to coming from under...

Does it matter if center and outer plug leads are swapped over ? (earlier mille) or is there a small delay in timing for outer plugs to allow for the flame front travel ? possibly one for dr rossi :dunno

i want to ask the experts on what you think,due to a back op i have not been out on my mille for over 6 months i go out and start it once a week ,it starts fine but once started it always seems to back fire a few times and run abit rough for 20 secs then clears itself,when i turn it off and try...