New Bike....dies on idle. |
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drdeb
Falcone Joined: 05 Mar 2016 Location: Monterey Calif Status: Offline Points: 22 |
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Posted: 05 Mar 2016 at 03:36 |
I appreciate any help with this mystery!! New V7 Special. Only 1400 miles on it. Started it and it will only stay on if I have a rev going. If I let it idle, it dies....starts up normally...dies on idle. I tried *warming * it up..no change. Even changed out fuses..no change. Now it won't even start (but battery is fine). Can't get an appt with the Guzzi dealer for a month and i want to RIDE.
Any thoughts? thanks deb
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BobV7
Senior Member Joined: 20 Nov 2014 Location: W. Sussex Status: Offline Points: 2740 |
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I can't offer a solution but it might help others diagnose the fault if you can say how the engine dies.
If it stops suddenly that might suggest an electrical fault. If it stops slowly that might suggest a fueling problem. Good luck with getting to the bottom of the problem.
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V7 Classic Black and gold was the best. But green & black was nice too. Now blue is in!
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Brian UK
Moderator Group Joined: 13 May 2014 Location: Surrey Status: Offline Points: 17641 |
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You can't get an appointment with your dealer for a month? Is that because you're tied up or the dealer not being helpful?
It sounds as if the fuel injection TPS needs resetting which is really only something the dealer can do, unless you know someone with the computer software to do it.
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Brian.
Better 5 minutes late in this world than years early in the next. |
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kateguy
Senior Member Joined: 24 Nov 2014 Location: uk Status: Offline Points: 984 |
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Did you buy it from a dealer....warranty ?
Find out who the importers are....assume Piaggio...try contacting them direct.....email..... If you bought it privately...it may be worth trying an auto engineer...repair shop.....it is an internal combustion engine after all...... Mite be worth draining the fuel tank and trying fresh petrol....you say the batteries fine so I assume the motor is cranking but wont fire.....check the plugs.....when you switch the ignition on does it sweep and can you hear the fuel pump prime....any error codes on the dash ? Many of these bikes in the UK are fitted with aftermarket fuelling modules to smooth out poor low rpm running.....google 'finebau'..... Guzzis are bikes which usually require a higher level of owner input than other marques unfortunately ! good luck.....Kate... |
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Moto Guzzi Club GB.....
850 LE MANS...1 & 2....V7 Loop Frame..V7 Sport replica...Guzzi Daytona...Ducati 900ss Bevel not belt.....Laverda 3C ....and an MZ... |
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Ken-Guzzibear
Moderator Group Joined: 13 May 2014 Location: Sileby Leics Status: Offline Points: 9454 |
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NB Drdeb is in the USA so I guess dealers are fewer than UK but if it kinda worked before you checked the fuses, take another look and daft as this sounds check the kill switch is not "off" But a new bike under warranty you cannot do a lot other than the obvious As Brian pointed out it seems like the TPS (throttle position sensor) needs looking at .....
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The Older i Get, The Better I Was
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Cylvabirch
Senior Member Joined: 02 Jun 2014 Location: Whitehill Status: Offline Points: 274 |
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Once you have it running ( check the kill switch as suggested) ride it very, very hard and make sure you only use 95 octane petrol. Doing this cured mine.
David. |
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drdeb
Falcone Joined: 05 Mar 2016 Location: Monterey Calif Status: Offline Points: 22 |
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thank you for the comment. It dies suddenly when hand taken off the throttle (as soon as the rpms go down)
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drdeb
Falcone Joined: 05 Mar 2016 Location: Monterey Calif Status: Offline Points: 22 |
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thank you! They are booked for two weeks, I can't do the third week...that leaves us a month out...sigh :(
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drdeb
Falcone Joined: 05 Mar 2016 Location: Monterey Calif Status: Offline Points: 22 |
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Yes, from a dealer less than a year ago. Definitely under warranty...just got to get it to them but first available for both of us is a month out. Yes, Piaggio.
No error codes on dash. thanks for the input!
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drdeb
Falcone Joined: 05 Mar 2016 Location: Monterey Calif Status: Offline Points: 22 |
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The bike was dieing before i checked fuses...i was just desperate...changed them all and the situation still the same after. Signs point to TPS...but of course that will require dealer.
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drdeb
Falcone Joined: 05 Mar 2016 Location: Monterey Calif Status: Offline Points: 22 |
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David, did you have this same problem?
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johnno
Senior Member Joined: 19 Jul 2014 Location: loughborough uk Status: Offline Points: 5582 |
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please let us know what the problem turns out to be , your bike sounds like my 1998 moto guzzi
Best of luck
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1100 sport corsa , Yam R1, guzzi 650tt rider
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Doc.
Senior Member Joined: 17 Sep 2015 Location: South Bucks Status: Offline Points: 639 |
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Does the V7 use a Stepper unit to control the Idle (controls an Air Bleed into the Inlets, by-passing the Throttle Butterflies)?
The CARC models do, and they can suffer problems with erratic idling/stalling if the Stepper Unit is faulty.
As it's a new Bike though, I'd contact the dealer first before probing anything yourself, tempting as it is . . . |
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drdeb
Falcone Joined: 05 Mar 2016 Location: Monterey Calif Status: Offline Points: 22 |
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Thanks for that! Will check it out since I can't get to the dealer for a bit! :)
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Brian UK
Moderator Group Joined: 13 May 2014 Location: Surrey Status: Offline Points: 17641 |
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I don't think the V7 uses a stepper motor. Can't see one listed in the parts list. (Last page).
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Brian.
Better 5 minutes late in this world than years early in the next. |
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