Ezgo marathon engine dies at full throttle

brian21901 · 07-10-2019, 06:41 AM

New to golf cart world ,I picked up a 1992 gas marathon model to ride around the campground. It runs good when starting and taking off but seems to loose power when hits a top speed. No backfiring or anything, if I let off the pedal and hit it again it picks back up speed, some one has already maxed out the governor adjustment. Is this normal ?? I Just figured it should hold one throttle speed on flat ground or is there some kind of limiter built in somewhere??

LukeL · 07-10-2019, 07:23 AM

Is it a two stroke or four stroke? Mines a ‘92 and it’s a 3PG.

brian21901 · 07-10-2019, 07:34 AM

Its a 4 stroke

cart around · 07-10-2019, 07:54 AM

Since the governor is already adjusted, I'm thinking it's bouncing off of the rev limiter. That cuts the spark.

brian21901 · 07-10-2019, 08:43 PM

I’ll try backing off governor ,someone Has maxed out the adjustment,see if that works !

07-10-2019, 06:41 AM	#1
brian21901 Not Yet Wild Join Date: Jul 2019 Posts: 3	Ezgo marathon engine dies at full throttle New to golf cart world ,I picked up a 1992 gas marathon model to ride around the campground. It runs good when starting and taking off but seems to loose power when hits a top speed. No backfiring or anything, if I let off the pedal and hit it again it picks back up speed, some one has already maxed out the governor adjustment. Is this normal ?? I Just figured it should hold one throttle speed on flat ground or is there some kind of limiter built in somewhere??
brian21901 Not Yet Wild Join Date: Jul 2019 Posts: 3

07-10-2019, 07:23 AM	#2
LukeL Gone Wild Join Date: Jun 2017 Location: Savannah, GA Posts: 6,539	Re: Ezgo marathon engine dies at full throttle Is it a two stroke or four stroke? Mines a ‘92 and it’s a 3PG.

07-10-2019, 07:34 AM	#3
brian21901 Not Yet Wild Join Date: Jul 2019 Posts: 3	Re: Ezgo marathon engine dies at full throttle Its a 4 stroke
brian21901 Not Yet Wild Join Date: Jul 2019 Posts: 3

07-10-2019, 07:54 AM	#4
cart around Test before replacing Join Date: Aug 2013 Location: Ohio side of the Pennsylvania border. Posts: 3,495	Re: Ezgo marathon engine dies at full throttle Since the governor is already adjusted, I'm thinking it's bouncing off of the rev limiter. That cuts the spark.

07-10-2019, 08:43 PM	#5
brian21901 Not Yet Wild Join Date: Jul 2019 Posts: 3	Re: Ezgo marathon engine dies at full throttle I’ll try backing off governor ,someone Has maxed out the adjustment,see if that works !
brian21901 Not Yet Wild Join Date: Jul 2019 Posts: 3

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