Another Reason Why I Prefer Fuel Primer over Choke

Big Kahuna

Big Kahuna

Administrator
Location
Tuscaloosa, AL
Sparkplug said:
Yeh. Guys who plug fuel filters, and chase their tails about it, give the greatest advice.

Putting your hand over a carb. And cracking the engine. Turns the engine into the fuel pump. It absolutely DOES lower the pressure in the throat of the carb. Anyone who says otherwise is an IDIOT

PRIMERS ARE BAND AIDS FOR MECHANICS WHO DONT UNDERDTAND ENGINE THEORY

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Totally missing it. How you gonna put you hand over the carb 100 yds off shore in the surf.....
 
Sparkplug

Sparkplug

Location
Red Bluff CA
Big Kahuna said:
Totally missing it. How you gonna put you hand over the carb 100 yds off shore in the surf.....
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Your gonna pull the choke man. Unless you deleted it. Then your gonna write a book about how you hand pumped fuel into your engine. Good job being a human powered fuel pump. A choke did it 75 years ago though. And better.

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long beach local

long beach local

long beach local
Location
Az
I always deleted mine but AM carbs don’t have them anyways. I will take a primer in the surf . As for riding buoys simply putting a baggie over the flame arrestor works great to get that first ride going no worries about air leaks. After reading this I will be replacing that cheap little stone filter on the ski the baggie starts so easily lol.
 
SUPERJET-113

SUPERJET-113

GASKETS FOR CHAMP BRAP!
Site Supporter
Location
Lake Havasu City, AZ USA
If I have a stock ski or stock carb setup w/choke/fuel selector knob thats been sitting for months and I pull the choke, it can take a long time for fuel to make to the carbs. Now I suppose I could go get a wrench and take off the flame arrestors and prime or get a bag out and put over the F/A's(done that before too, better than choke). If I have a push pull primer, the ski starts right up after a couple plunges. Why not save your starter, battery and keep from half dry fking your cylinders on start up? Gee, I guess Ive been doing it wrong since 1990.

On A/M carbs, my choice is no chokes, no selector knob/straight to tank, with push/pull primer.
 
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bird

bird

walking on water
Site Supporter
Location
La Crosse, WI on the BIG River
If you guys think Primers are Voodoo, go tell the Snowmobile crowd.... Finger Throttles, Slide Carbs, are all out all of this world to them.

Primers are one of the best things you can do to make your ski more reliable.

1. If plumped correctly, you can use them to prime the entire fuel system. I've seen people tap into the fuel lines before the selectors and all kinds of crazy stuff. Tee it off right before the carb(s). This way if you switch from Reserve to ON, you can just prime the lines instead of WEARING DOWN A STARTER by cranking for more than 10 seconds... Also helps when you go to start it, and the engine is running on Primer gas. The carbs will have fuel right there at the carb, not sucking it up from the tank. Better PRIME It again!

2. If your carbs are clogged with crap, like he had in this post, the primer will bypass that and get you home maybe. You made the mistake of using a very small(for a weed whacker?) fuel filter. Get a MARINE grade fuel filter with much more capacity. They're $11 at O'Reillys.

3. Chokes are a joke. Putting your hand over the carb(s) gets hard when you have Tornado filters, but I get it you're Goro from Mortal Kombat....four arms!
 
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DylanS

DylanS

Gorilla Smasher
Location
Lebanon Pa
bird said:
If you guys think Primers are Voodoo, go tell the Snowmobile crowd.... Finger Throttles, Slide Carbs, are all out all of this world to them.

Primers are one of the best things you can do to make your ski more reliable.

1. If plumped correctly, you can use them to prime the entire fuel system. I've seen people tap into the fuel lines before the selectors and all kinds of crazy stuff. Tee it off right before the carb(s). This way if you switch from Reserve to ON, you can just prime the lines instead of WEARING DOWN A STARTER by cranking for more than 10 seconds... Also helps when you go to start it, and the engine is running on Primer gas. The carbs will have fuel right there at the carb, not sucking it up from the tank. Better PRIME It again!

2. If your carbs are clogged with crap, like he had in this post, the primer will bypass that and get you home maybe. You made the mistake of using a very small(for a weed whacker?) fuel filter. Get a MARINE grade fuel filter with much more capacity. They're $11 at O'Reillys.

3. Chokes are a joke. Putting your hand over the carb(s) gets hard when you have Tornado filters, but I get it your a Goro from Mortal Kombat....four arms!
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Uh oh.. sparkplug won’t like this.. not one bit!
 
S

Storbeck

Location
Minnesota
I'm not 100 % sold on the choke over primer thing but I'm kind of amazed that sparkplug is the one in this thread that is NOT being obnoxious and I feel like he's making some pretty valid points. I still would say the primer has a higher level of redundancy if you run it off of its own fuel pickup, the primer will work even if the carb is plugged and or completely non-working for some reason. You could literally remove the carb and run the motor (very primitively) with the primer. Also it seems like the primer can move more fuel more quickly than the choke if you are in a situation with water in the motor and you are trying to clear it out. I haven't actually tested that though so maybe my perception is wrong.

I like the idea that with a primer you can give it a squirt squirt BEFORE you turn over a motor so it already has some fuel and oil in it, vs a choke you are kind of turning over a "dry" motor relying on the pumping of the motor/carb to pump the fuel. Again, in reality, if there is not some underlying problem there is probably already some fuel/oil residue in the motor, but given a choice between the two and the relative simplicity of the primer it seems like the way to go to me.
 
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