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Hi I have a suzuki marauder gz 125 2011 fuel injected model and when it's hot after a 20 min ride it starts to bog on throttle application. I ain't gota clue exept it's somthing to do with air intake, fuel injection. I've changed oil put new spark plug In coz the old one was black and still no change. It used to be able to go 67+ and stay there now it struggles to get to 50 and boggs at 45 when it's hot any help would be appreciated

Posted by Josh Guttridge on

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5 Related Answers

Anonymous

  • 78 Answers

SOURCE: craftsman riding lawnmower shuts off after 15 - 20 mins.

I have a Troy-Bilt push mower that does the same.

Try this - Run the mower until the point of quitting. Keep the hood up and be ready to remove the gas cap. As soon as you feel it start to stutter like it's going to quit, unscrew the gas cap and see if it comes back to life and doesn't quit.

If that works, then what is happening is that the gas in the carburetor bowl is getting depleted faster than the tank can provide it, possibly because of a clogged vent that's supposed to allow air back into the gas tank as gas is used.

You can try running with the gas cap not quite tight, to let some air seep in that way, but that's more prone to sloshing leaks. You could also try drilling a hole in the gas cap - about 3/16" is plenty, and stuffing a piece of natural sponge in to keep the gas in and dirt out. Synthetic sponge will deteriorate in gas.

Posted on Jun 09, 2009

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neilshere

  • 47 Answers

SOURCE: Bogs down at 50 mph or over

this is an air intake problem check the air filter is clean also check air filter is the same model as original as some air filters require a carb retune to function properly


hope this helps

Posted on Jun 17, 2009

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Anonymous

  • 58 Answers

SOURCE: heavy steady shaking

check for blockage in catalytic convertor.there will be restricted exhaust flow and alot of heat

Posted on Nov 03, 2009

Anonymous

SOURCE: We changed the oil and

Clean the throttle plate-CRC Throttle Body Cleaner
Clean the MAF Sensor--CRC MAF Cleaner

Have the O2 Sensors tested

If it is 10 years old, the exhaust
converter may be plugged,that's
not good and shouldn't happen

Check for vacuum leaks
A leak causes the O2 Sensors to add fuel,
to account for extra air

Make sure the air filter box and ALL
Ducting to throttle is air tight

Posted on Dec 18, 2010

Bryan Andrews

  • 84 Answers

SOURCE: Throttle Body Injection (350 V8) It runs fairly good when it's cold but once it warms up it runs rough and once it dies or is shut off it will not start again? Also it has problems of Sputtering a

make sure vacuum port for PCV is pulling vacuum. They tend to get clogged with carbon when oil changes are over due , oil level is low

Posted on Feb 22, 2013

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hope this helps

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