Author Topic: #1 Carb Flooding out help!!!!!!  (Read 3785 times)

Offline scorpionsf

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#1 Carb Flooding out help!!!!!!
« on: November 15, 2010, 05:52:01 PM »
well my bike is running awesome, but the #1 carb floods out and then the bike wont run. basically when priming the carbs for the first time/after emptying the #1 float bowl the bike starts up and runs awesome, but if you let the rpm's drop too low or stop riding(light/stop sign) without blipping the throttle it will flood out and die. it also wont start very easily at all after it floods out. it takes roughly 30 seconds to get it started and then it needs full throttle(only runs at like 3000 rpm) and then it will eventually kick the gas out and run good again.

carbs have been cleaned and rebuilt 3 times. everything checked and adjusted.

anyone have any ideas?!?!?!?!?!!

thanks,
brandon

Offline Bandit

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Re: #1 Carb Flooding out help!!!!!!
« Reply #1 on: November 15, 2010, 08:15:49 PM »
Checked your float needle valve, see if it has worn, you can reference to the service manual how a worn needle valve look like.

The needle valve will shut off the fuel intake when the float is lifted up by the fuel in the float bowl once filled to the correct level (float height default is 14.5mm)

if the needle valve is worn, fuel will continue to flow and flood your carb and you will see fuel dripping from the bypass hole
« Last Edit: November 15, 2010, 08:18:55 PM by Bandit »
B4 Mod: K&N crankcase & air filter;gsxr750 rear shock;grounding wire;gsxr400 blinkers;Super 4 mirrors;fork protector;chain oiler;Hel front brake hose;Kappa windshield;Givi maxia box;fan/ headlight/hazard light switch;Stebel horn

Offline interfuse

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Re: #1 Carb Flooding out help!!!!!!
« Reply #2 on: November 16, 2010, 09:16:01 AM »
Is your fuel tap (aka petcock) functioning properly?
Mike

'91 GSF400
It's more fun to ride a slow bike fast than a fast bike slow.

Offline scorpionsf

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Re: #1 Carb Flooding out help!!!!!!
« Reply #3 on: November 16, 2010, 09:40:28 AM »
floats are at the correct height. there is no fuel coming out of the bypass. it is getting into the #1 cylinder on occasion.

the petcock was just replaced

Offline Bandit

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Re: #1 Carb Flooding out help!!!!!!
« Reply #4 on: November 17, 2010, 03:13:21 AM »
Get a new carburetor from ebay
B4 Mod: K&N crankcase & air filter;gsxr750 rear shock;grounding wire;gsxr400 blinkers;Super 4 mirrors;fork protector;chain oiler;Hel front brake hose;Kappa windshield;Givi maxia box;fan/ headlight/hazard light switch;Stebel horn