1 cylinder down

[LeBlanc, DanielJ]

Hi John.

It sounds like that the cylinder is still flooded.  Remove the spark plug and dry off the tip with a propane torch.  Once the spark plug is dry, it should provide a good spark and burn off any fuel remaining in the cylinder.  Allow that cylinder to breathe for a while to dry up as much of the fuel in the cylinder as possible.  Re-install the spark plug and when you try to start the bike, keep the choke OFF and hold the throttle wide open while you crank the engine over.  When the engine stumbles that should indicate that you have burned off any remaining fuel in the cylinder.  Start the bike normally after that and see if the problem has been resolved.  If not, you could have a fouled plug or some other problem.

Thanks.

Daniel J. LeBlanc, P.Eng., MBA, DTME


-----Original Message-----
From: gpzlist-bounces at micapeak.com [mailto:gpzlist-bounces at micapeak.com] On Behalf Of Timothy Linke
Sent: Tuesday, March 11, 2014 12:55 PM
To: LeBlanc, DanielJ
Subject: Re: 1 cylinder down

John,

First check compression and spark, you may have bent a rod if the cylinder
was full of fuel.

I put an electrical fuel solenoid on mine to prevent this from happening.

Fyi, my 95 will be for sale this spring for 2400.


On Tue, Mar 11, 2014 at 10:05 AM, john leonard <jlmdx at hotmail.com> wrote:

> 1996, 24K miles - Advice needed
> My 3-year old replacement petcock malfunctioned and loaded carburetor #3
> with fuel about a month ago, preventing the bike from starting.  What I did:
> - rebuilt and tested the petcock- drained the fuel and oil- removed the
> air filter- removed the plugs and tested their spark on the engine case-
> with the plugs out, I cranked it over until the chamber was clear- put it
> all back together and started the bike and ran it for about 15 minutes
> But now, I think it's running on 3 cylinders. (no backfiring)** Last fall
> it ran like this too one day, but corrected itself after about 10 minutes
> of riding. **
> The top end sounds fine - I don't think I bent any values when it locked.
> I'm assuming that the carburetor that flooded has a bad float - at least.
> Q: Can a stuck open float cause the cylinder to not fire?
> Q: If I open the carburetor to inspect it, would I need a new gasket kit
> or do they typically stay intact when opened?
> Q: What's next?
> Thanks in advance!
> john
>
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