All right, who's gonna say it? SEAFOAM!
Wow, I got to put in 2 cents for a carb problem!
wa
(stepping aside now for the pros)
----- Original Message -----
From: "Dan O'Quinn" <dano@xxxxxxxxxxxxxx>
To: "Yamaha Virago Motorcyle Discussions" <virago@xxxxxxxxxxxx>
Sent: Tuesday, August 28, 2007 4:58 PM
Subject: Re: [Virago] Backfiring problem on 1985 Virago XV700
> did he clean and de-gunk the gas tank?
> if not your clean carbs could be dirty again
>
> ----- Original Message -----
> From: "Michel Massaad" <michel.massaad@xxxxxxxxxxxxxxxxxxxxx>
> To: "Yamaha Virago Motorcyle Discussions" <virago@xxxxxxxxxxxx>
> Sent: Tuesday, August 28, 2007 5:42 PM
> Subject: Re: [Virago] Backfiring problem on 1985 Virago XV700
>
>
> > Thanks for your reply Jeremy.
> >
> > It happens totally randomly.
> > I had the carbs cleaned and synchronized by a mechanic so I suppose that
> he
> > tightened all the screws... I really have no experience with this.
> >
> > Sometimes if the choke is on it work well but then it does it so I
cannot
> > know if the choke helps or not.
> >
> > What is the LH case cover? I could try opening it and look at the wire.
> >
> > Lately it gave some black smoke which make me suspect poor ignition or
> that
> > it is running rich. When I changed the spark plugs they were black. I
will
> > look again to see if this is happening again.
> >
> > When I brought it from the mechanic he said that he cleaned the air
filter
> > but I will look again.
> >
> >
> > Thanks for your suggestions again.
> >
> >
> > > From: James J Schneider <jjschneider@xxxxxxxxxxxx>
> > > Reply-To: Yamaha Virago Motorcyle Discussions <virago@xxxxxxxxxxxx>
> > > Date: Tue, 28 Aug 2007 13:46:24 -0700
> > > To: Yamaha Virago Motorcyle Discussions <virago@xxxxxxxxxxxx>
> > > Subject: Re: [Virago] Backfiring problem on 1985 Virago XV700
> > >
> > > "I have a 1985 Viarago XV700cc. When I bought it it wasn¹t running so
I
> had
> > > the carbs leaned and synchronized, and the rubber manifolds changed.
Now
> it
> > > runs on and off: It runs smoothly then suddenly it starts backfiring
> from
> > > everywhere and lose power completely. It take me some time to start it
> > > again then it runs OK, until it does it again."
> > >
> > >
> > >
> > > Does it go batty at a specific condition, such as a given rpm or
> throttle
> > > opening? Or is it totally random? First I'd suspect some crud loose
in
> > > the carbs, especially if it has sat for any length of time without
> running.
> > > If not that, ignition - maybe a loose connection, maybe a bad TCI.
> Could
> > > just be corroded connections at the TCI. OR - I just remembered this
> > > happened to me - it could be the four pickup wires coming out of the
top
> of
> > > the LH case cover. Some of the insulation was damaged on mine. Does
> your
> > > tack freak out when the problem happens?
> > >
> > > Jeremy
> > >
> > >
>
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> > >
> >
> >
> >
> >
>
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>
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