Blowing into the overflow tubes.

[spyug]

After a 2 month hiatus, I was able to turn my attention to the Kat project. when I left off 2 months ago I had the bike running as sweet as a nut. All day Saturday I couldn't get it it to run without a major effort. Choke full on for a good 5 minutes to get it to temperature then major throttle blipping to keep it running after. It wouldn't idle and when it eventually died no amount of cranking would start it again. Baffling.

Sunday morning more of the same and I had to recharge the battery after running it down. After lunch with the battery back up to charge Ithought I'd try one more time before ripping the carbs off for another clean and rebuild. Before trying it, I thought I'd just blow into the overflow tubes to see if that helped any.

Imagine my surprise when the bike fired up on no choke and idled nicely at around 1200 rpm. Turned it off and on again several times and no problem starting. Took it out to try and get the gears to shift ( a failure chronicled elswhere herein) and it ran fine, starting and stopping again several times.

I tried to read up on this procedure having seen it mentioned many times but I'm not sure what exactly you are doing and I couldn't find a clear explanantion. Can anyone educate me please.

cheers,
Spyug

 

[Dave8338]

I have two thoughts on what happened.
1) After a fresh charge on the battery, it fired right up and ran well
A. Either it was low on charge from the starting attempts
B. OR the R/R chose a fine time to take a dump.

2) The float needles were hung up in the closed postition from sitting with full bowls (would explain the strange fuel behavior) and blowing into the vent tubes forced enough fuel into the carbs that things started working again.

I'd try a good dose of Seafoam (or equall) and run a few tanks of that through it. Problem should get better if things were slightly gummed up.

Let us know...

 

[Guest]

Carbs gooed from sitting.

 

[spyug]

Now that's where I'm having trouble. I always use Seafoam in every tank so the gas should have been stable and I don't think after 2 months it should have gone that skunky.

I should have mentioned that I had a deep cycle marine battery hooked in series when I was cranking away and that definitely should have had enough oomph to get things going. When running the bike was charging fine so I doubt that the R/R had any part to play.

I'll be trying it again after supper so I'll see what happens after its sat for another 24 hours.

thanks guys.
Spyug

 

[Suzuki_Don]

This link mentioned this in the Tips Section a few years ago.

http://www.thegsresources.com/_forum/showthread.php?t=116805&highlight=vent