Question about Troy-Bilt 420cc 45-in Two-Stage Gas Snow Blower 31AH97P7711

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Need to run snow blower with choke full on

It only runs when the choke is full on

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Main jet on carb is clogged. If you have $30 just buy one online and replace it rather than rebuild it, which can be tricky if you're not experienced.

Posted on Mar 07, 2015

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Carb needs cleaning

Posted on Oct 29, 2014

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I have an older craftsman snow blower 10 hp. It starts ok with full choke, runs ok half choke, backfires with no choke-run position.


It's too lean; not enough fuel mixed with the air. Look for the main mixture screw--it should be a large screw with a spring under it on the carburetor. Run the engine until it's warm.

With the engine running, turn the screw outward (lefty-loosey) about 1/8 turn slowly and see if it improves. Slowly turn the screw back and forth until it runs best with the choke completely off. Then set it 1/8 turn richer (turn screw outward 1/8 turn) than the best position.

Reason for doing this: Conditions change, even the barometric pressure. Small engines run okay if they are a little rich but not if they are a little lean.

Mar 03, 2015 | Garden

1 Answer

Start snow blower runs for 3 min. and starts to over heat checked oil its ok then stats to shut down like its not geting oil


Why do you say its over heating .Runs for 3 minutes the oil is OK .
Do you understand how the choke works .
bacsicly you prime the mechine in cold condutions 3-4 pumps choke to max throttle at 3 /1/4 .
Start backing off the choke after 3-to4 mins .
The choke shuts the fresh flow down to the engine in cold condutions ware it needs more fuel then air to run.
When the engine starts to get hot it can't run with out fresh air to mix with the gas it won't run anymore because there is to much gas and not enough air
Its simple fool prof will work everytime if you adjust it right

Mar 01, 2015 | Craftsman Snow Blower / Snowblower Bottom...

1 Answer

I HAVE A TROY BUIT SNOW BLOWER WITH A HUAYI CARB . IT WILL RUN ONLY AT HALF CHOKE .I HAVE CARB APART . CAN NOT GET FUEL METTERING JET OUT IAM SURE IT SCREWS OUT. HOW DO I GET IT OUT?


Why do you need to remove the jet

You can & should be blowing brakleen
& air thru all the holes

The fact you need the choke partially closed-- tells you something

Your creating higher air velocity,so check for a vacuum leak
(failed gasket) on intake side

May have a failed head gasket also

Nov 15, 2014 | Troy-Bilt Squall 2100 208 cc 21-in...

1 Answer

Brand new snow blower


A brand new snow blower ?? Who made it, single or two stage, 2 cycle or 4 cycle, Tecumseh or Briggs or China engine ??

Without knowing it's pretty hard to tell you if it's adjustable. Have you tried reading the manual ?? Did you try asking a dealer ??

Most newer machines do not have any adjustability as to fuel mixture. It's strictly an emissions issue. Many are so lean they won't run properly without being full warmed up before taking the choke off and some will still need a little choke to keep from surging. If you look on youtube you can see many cases of it. If you bought it new you can take it back and have them replace the carb and hope it's better. If you have some skills and are willing to buy miniature drill bits (I did) you can take the carb apart and gently drill out the brass main jet to get some more fuel in there. This is also a procedure you can find on youtube.

Feb 04, 2014 | Garden

1 Answer

Sears snow blower runs rough like the choke is on


put in injector cleaner in gas

Dec 14, 2013 | Garden

1 Answer

MTD SNOW BLOWER WON'T RUN WITHOUT CHOKE ON


If it will only run on full choke you have an air leak somewhere

Jan 21, 2013 | Garden

2 Answers

I have a CCR 3650 Snow Blower ,The engine is racing at idle. How do I adjust?


Try the spring on the governor. sounds like it's not hooked up, or extremely week. I rebuild and sell these all winter. I've had it happen a few times. Runs really good! but, will ruin the motor running over speed like that. There are adjustments- some have the spring on a long flange of metal so it can be bent backwards to add tension- it doesn't take much! If the motor starts to rev up and down and up and down, add a hair more tension. It there is too much tension it will stall out when you hit heavy snow.

Feb 01, 2011 | Toro Snow Blower Ccr 1000 Belt 715381...

1 Answer

Snow blower won't stay running


ok heres what you do to get your snow blower to keep running.
while you have it choked, and you get it to the running point, turn the cup bowl ajustment in/out a fraction at a time while you move the chock off slowly till you get the right setting to keep it running then ajust the setting once more to clear it up to purrr like a kitten again the vibration moves the screw out to set everything out of wack......

Feb 09, 2010 | Craftsman 16" High Garden Tractor Snow and...

1 Answer

Snow blower is running sluggish with the choke in the on position


It sounds like you my need to rebuild and clean the carburator. Or you have an air leak between the carb and the cylinder.

Jan 28, 2009 | Toro Blowers Rake and Vac - Electric...

4 Answers

Tecumseh Snow King HS40 engine only runs on full choke, no power


i did and thanks - just picked up one that does the same thing and i plan to take your advise

Thank you Jerr

Jan 01, 2009 | Karcher 2500 PSI Pressure Washer

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