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SRX75 wont run off idle, has new carb, fresh fuel, new plug

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Make sure that the idle circuit solenoid wire is connected and has power when the ignition is on

Posted on Apr 21, 2017


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I have a Troy Bilt trimmer model TB675EC...4 cycle engine. Problem that has arisen is that it dies at high speed and under load. Starts up and runs at idle well.

Fuel starved, carb should have an idle adjustment which sounds like it is fine. Look for the second adjustment

Jul 17, 2017 | Troy Garden

1 Answer

Sportsman 90 idles wont rev

Replace spark plug (gap correctly),Drain all fuel, replace fuel filter, replenish tank with fresh fuel, do a thorough readjustment of the carb settings (last resort - remove and rebuild carb)

Feb 17, 2015 | Polaris 2008 Sportsman 90

1 Answer

Blower vac runs at high speed but wont idle

Low speed circuit on carb is blocked. You can try using fresh fuel with some high quality cleaner added and run it through and see if it clear. Otherwise it means the carb has to be removed for cleaning. Which is especially hard these days with the EPA carb plugs on the mixing needles. These plugs are to minimize tampering by owners. You need to be a licensed shop with the tools to adjust the carbs and then put new tamper plugs on nowadays..

Be safe and good luck!

Jun 19, 2014 | Poulan/Weed Eater #Wt200 711724 24cc Gas...

1 Answer

Yamaha zuma wont idle. has fresh gas, new battery, new spark plug and what looks like a clean carburetor. Starts fine, but cuts out quickly.

It sounds like it has been sitting for some time. If it has then the idle jets in the carbs need to be cleaned out, they have the smallest holes and clog easy from sitting too long. Fuel stablizers can help reduce this problem, running the engine once or twice a month works best for me to prevent clogged jets.

Sep 07, 2013 | Yamaha Motorcycles

1 Answer

Will not run at low idle

Fresh fuel filter and fuel lines and clean carb and screen and make sure your diaphrams are good, preset your jets 1-1/2 and run and fine tune once you get it going, also check your exhaust port and screen for being plugged

Dec 08, 2011 | Poulan Garden

1 Answer

My sons kx65 has been idle for a year or so and wont start now tried cleaning carb also new spark plug, even tried jump starting still no go

Fresh fuel? Drain the old stuff out, put fresh fuel in it, lean the bike over until fuel comes out the overflows and give it another try.

Jun 06, 2011 | 2005 kawasaki KX 65

1 Answer

I have a 78 honda it has been sitting, won't idle

The stock pilot screw setting is one and one half turns. The usual problem for not idling is that the slow speed circuits in the carbs are still plugged up. Secondary cause is usually that the carbs are not in sync > The carb slides don't all move upward at exactly the same moment. If you haven't installed new spark plugs, do it. Soak the carbs in denatured alcohol after removing the slides and float bowls. Finish with spray carb cleaner and compressed air. Spray into all the drill holes, ( circuits ), in each carb. Install an in-line fuel filter to prevent trash from the gas tank getting into the carbs.

Jul 04, 2010 | Honda CBX 750 F Motorcycles

1 Answer

Wont start after 6 mos. I changed the spark plug, drained & added fresh gas, checked the fuel filter... Kicks over fine. Ran for 4 seconds, then it died. Always ran & started great before.

With a new plug and fresh gas it should start. Check to make sure there isn't a kill switch turned off or that the gas petcock from the tank to the carb is on.

How did you check the fuel filter? Disconnecting it from the fuel line that goes to the carb is the best way, making sure the gas is turned on under the tank. Bleed off a little gas into a can or something just to make sure the filter isn't plugged.

The last thing I'd do is take off the air filter and spray a little starting fluid in the carb. It may start and run several times if there is old gas in there somewhere. Remember the bowl on the carb is probably still full of old gas. After some fresh fuel reaches the plug it should start and continue to run.

(You might drain the bowl on the carb of ols gas before you go any further)

Good luck!


May 22, 2009 | 2006 Honda Civic Hybrid

2 Answers

Redmax weed wacker wont stay running

Have these unit been stored with fuel in them or sitting around for a long period of time? If so the carbs may need to be overhauled. Also check for a clogged fuel filter and vacuum test the fuel lines for cracks.

Apr 12, 2009 | Garden

1 Answer

Echo CS440 wont idle when warmed up

Check for air leaking at cylinder to block.gasket.

Mar 18, 2009 | Echo 30.1CC Chainsaw With a 14 and...

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