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Looses power when trying to move forward new spark plug shows good spark cleaned air filter right way. New premium gas oil tank filled. Starts and idles fine just will not run when trying to go.

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Does it die slowly (in which case I would agree with the previous answer) or does it die immediately the clutch is released? If so, then check the sidestand or clutch switch. The sidestand switch is designed to stop the engine if it thinks the stand is down when pulling away.

Posted on Apr 20, 2015

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Hi Paul:
I'd be suspicious of a fuel restriction. May I suggest flushing the carb (there should be a drain screw on the bottom) and see if you can find a fuel filter that needs cleaning or replacing. It may be that a high speed jet in the carb is obstructed. if flushing it did not help, try removing it and use compressed air to gently blow through the orifices (fancy word for holes).
Hope this helps.

Posted on Apr 20, 2015


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I am completely stumped....Pressure Washer will not start I feel like I have tried everything. Please help

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Husqvarna 455 Rancher loses power, have tried the following: fresh premium gas with ams oil 2 cycle oil, new plug, cleaned air filter, runs for a little while but starts stalling out after using about a...

check your fuel filter/gas line in tank you could have a crack in your line that in the fuel till it gets below half tank then sucks air through crack, It's a possibility, other than that, check your exhaust port, but sounds like a fuel problem check your fuel tank vent also to make sure it is venting. Good Luck

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2 Answers

My 455 starts good and idles fine but wont go wide open it boogs down and misses

Here are a few things to consider :
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Feb 11, 2010 | Husqvarna , No.455 Rancher, 20" Gas -...

2 Answers

My car stalls when stopping have changed both o2 sensors spark plus,and air filter. spark plugs have oil dripping off of them

Does your car have fuel injectors? You may need to clean them, you can get cleaner at any auto parts store, if that doesn't work, I would check the in-line fuel filter, if you have one, this is a common problem, it happens when you get dirty gas (bottom of the tank at the gas station, or right after the holding tanks have been filled from a tanker). I never gas up when a tanker is filling the under ground tanks, too risky. Good luck.

Oil on spark plugs could be from a leak in the sending unit. A sending unit can be replaced in your driveway...very easy to do, and don't forget to check your oil too!

Aug 28, 2009 | 1999 Pontiac Grand Am GT

1 Answer

My 660 raptor quad is making like a humming/deep whistling sound when I try to start and won't start. It has good spark and new fuel. I noticed that the oil tank has built up pressure as I opened it the...

Sounds like the carb has over flowed and filled the crankcase with gas.
You will need to drain the oil, and re-fill it with new oil at the proper amount. Also replace the oil filter.
Clean the air filter and replace the spark plug.
Clean the carb, making sure the float and float needle are functioning properly.
That should fix you up!

Jul 16, 2009 | 2001 Yamaha XTZ 660

1 Answer

Fuel gauge is trippin.

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