flooding issues

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onebun
Posts: 92
Joined: Fri Sep 18, 2009 9:03 am
Location: espanola ontario canada

flooding issues

Post by onebun »

well guys got my startor changed and have spark again but now she is flooding big time 15-20 pulls and the pipes are full of gas! i'm thinking float height and i do understand how to set it.But i don't know how to tell if my needle and seats are good or is there other stuff to check?I've cheked to see if the chokes were stuck but they seem fine,the throttle also seems ok but haven't got into the carbs yet.just not sure how to check my needle and seats.thanks john
Bob Vehring
Posts: 659
Joined: Tue Feb 24, 2009 12:42 am
Location: Milw. Wi

Post by Bob Vehring »

Take the bowl off, now with a piece of fuel line, preferably clean, attached to the inlet, gently blow air into the hose. If you push the float up with your finger, you will feel the air stop blowing through as the needle closes.
Also be sure the plunger for the choke or enrichment circuit is moving up and down freely and closing of the circuit. If you look down the hole in the front of the carb with a light, you should see it move as you move the lever.
jefflanthier
Posts: 105
Joined: Fri Apr 13, 2007 5:54 pm
Location: Sault Ste. Marie Ont.

Post by jefflanthier »

had the same thing happen to mine and the fuel pump diaphram had a hole in it and the gas drains into the bottom end of the motor. Mine was on one side and one pipe filled with fuel. I rebuilt both fuel pumps since and all is good fuel wise.
Sleds owned 1979 500cc eltigre 5000, 1981 340cc polaris cutlass, 1989 250 cc skidoo tundra, 1986 463cc skidoo formula mx, 1979 362 cc mirage(citation) 1985 543 cc vmax and a 1987 phazer
onebun
Posts: 92
Joined: Fri Sep 18, 2009 9:03 am
Location: espanola ontario canada

Post by onebun »

thanks for the info guys! i rebuilt the fuel pump last week so i think its a carb issue going to play with it tomorrow and try to figure out whats happening i'm new to carbs but this will be a good time to learn.
jefflanthier
Posts: 105
Joined: Fri Apr 13, 2007 5:54 pm
Location: Sault Ste. Marie Ont.

Post by jefflanthier »

theres 2 fuel pumps you rebuilt both ??
Sleds owned 1979 500cc eltigre 5000, 1981 340cc polaris cutlass, 1989 250 cc skidoo tundra, 1986 463cc skidoo formula mx, 1979 362 cc mirage(citation) 1985 543 cc vmax and a 1987 phazer
onebun
Posts: 92
Joined: Fri Sep 18, 2009 9:03 am
Location: espanola ontario canada

Post by onebun »

only running 1 pump it was set up that way when i bought it,havn't really had a hard run on it yet but judging buy the amount of raw fuel in my pipes i think it will be ok,found out yesterday that my needle and seats are bad and ordered new ones hopfully have it rapped up next week.
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