Carb or Fuel Pump

[Decter]

May try to build this tomorrow to sync my carbs up.

http://www.r6messagenet.com/forums/r6-how-guides/136367-how-make-your-own-carb-sync-tool.html

Any ideas as to what fluid to put into it if it accidentally gets into the carbs wont cause any issues?

Nick

 

[Zeus36]

Mineral oil with food coloring. The viscosity will dampen the pulsations.

 

[Decter]

Tried it, either the diameter of the hoses was too large, or my Carb are WAY out of sync. 3 and 4 nearly pulled the oil into them before I killed the bike. Guess I will have to buy a Carb Sync Tool and go from there.

Road tonight, RPM were changing without adjust either the idle speed control, choke or throttle. Varying from 1100 up to 2800. Seemingly on their own. Still sputtering and coughing some. After warm up, let the bike idle while I spoke with a friend and it died. On trying to crank it up, after a moments hesitation it turned over. No clicking like the a battery was dead, just nothing on hitting the starter.

Any thoughts?

 

[Dragmaxster]

Tried it, either the diameter of the hoses was too large, or my Carb are WAY out of sync. 3 and 4 nearly pulled the oil into them before I killed the bike. Guess I will have to buy a Carb Sync Tool and go from there.

Road tonight, RPM were changing without adjust either the idle speed control, choke or throttle. Varying from 1100 up to 2800. Seemingly on their own. Still sputtering and coughing some. After warm up, let the bike idle while I spoke with a friend and it died. On trying to crank it up, after a moments hesitation it turned over. No clicking like the a battery was dead, just nothing on hitting the starter.

Any thoughts?

http://www.carbtune.com/

 

[[email protected]]

Did you put a restrictor in each hose, close to where it attaches to the manifold? If not, I would try that. You can make one out of many things.

Have you check the carb butterflies to see if the are close to one another? I.E. bench synch?

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[Decter]

In retrospect, I did not so that with the restrictors. Do I simply attach them and put hose on the opposite side side going to the carb?

 

[[email protected]]

You can just stick it in the hose about 6" from the end that attaches to the manifold. Some guys have used a bolt. Some have used a piece of coax with the center conductor removed. I'm sure there are plenty of options. Just make sure whatever you use can't get sucked into the manifold.

I would pull the air box and check synch with feeler gauges or small drill bit. You should be able to get it close before you ever hook up the synch tool.



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[Decter]

Sorry for the delay in response, uncle sam called for training.

I did a bench sink thanks to some advice from mabdcm, and then followed up with a home made carb sync. Bikes is running great now with no coughing or any issues.

Had a bit of a ping when I started it up after being gone, but I am relating that to using 87 octane gas for the first time.

Any insight as to the best octane for the bike?

Nick?

 

[Dragmaxster]

The erratic idle is probably from the carbs not being synced- do you have a carb synchronizer?
Sounds like a road trip with Dragmaxster.

Good analysis---
87 will work fine.

 

[Traumahawk]

Sorry for the delay in response, uncle sam called for training.

I did a bench sink thanks to some advice from mabdcm, and then followed up with a home made carb sync. Bikes is running great now with no coughing or any issues.

Had a bit of a ping when I started it up after being gone, but I am relating that to using 87 octane gas for the first time.

Any insight as to the best octane for the bike?

Nick?

The bike is designed for 87 octane. Chances are it was something else that you heard. Normally you wont hear detonation (or pinging) except under hard acceleration.

 

[Decter]

Sorry to resurrect this topic, AGAIN.

Sync'd the carbs with a DIY manometer and the bike seemed to be running beautifully. Left for training, again, and came back to it sputtering more now than it did prior to sync'ing it.

Also, over the past year she has shut off on me a few times. Never while riding, always at idle. If I up the RPMs she is fine, but otherwise she will die on me and have a momentary challenge turning over. Hit the starter, wait a second, she starts right back up.

Any insight?