G16E starts slow then gets normal

wwalkersd · 02-20-2010, 09:46 PM

I've got a Yamaha G16E (SN JN8-F4236-10, in case somebody cares) that recently started acting oddly. When starting from a stop, it has very little power, and there's a whine coming from somewhere. It will accelerate very slowly, and then at some point, it's like somebody threw a switch and voom! Of you go. At that point it's normal until you stop again. From a stop, it can have trouble climbing over a ridge in the pavement.

Batteries are less than a year old. The Eagle charger says they're 100% charged. I've got the shop manual, but I figured I'd ask here before I start running all the electrical component tests. Has anybody seen this symptom?

sivart · 03-02-2010, 08:09 PM

i had the same problem,,and after many forums and a bunch of opiinions,i found that my solienoid was at fault.burnt inside and as you go it burns enough to speed up. replaced with a 500a from d&d motors.$119.00

wwalkersd · 03-02-2010, 08:51 PM

Thanks, Sivart, that'll give me someplace to start looking.

bhfear · 03-03-2010, 09:22 PM

Motor Brushes might be at fault there.

smallblock450sl · 03-03-2010, 09:58 PM

Also might try...Take the floor mat off, remove the acsess panel, look to see if your throttle rod adjusting bolt and jam nut has come loose. May want to test the "throttle sensor" also. repost if you'd like the test procedure.

coffincustoms · 07-23-2011, 05:23 PM

I could definitely use a run down of the values and procedure for this. Thanks

02-20-2010, 09:46 PM	#1
wwalkersd Not Yet Wild Join Date: Dec 2009 Location: San Marcos, CA Posts: 12	G16E starts slow then gets normal I've got a Yamaha G16E (SN JN8-F4236-10, in case somebody cares) that recently started acting oddly. When starting from a stop, it has very little power, and there's a whine coming from somewhere. It will accelerate very slowly, and then at some point, it's like somebody threw a switch and voom! Of you go. At that point it's normal until you stop again. From a stop, it can have trouble climbing over a ridge in the pavement. Batteries are less than a year old. The Eagle charger says they're 100% charged. I've got the shop manual, but I figured I'd ask here before I start running all the electrical component tests. Has anybody seen this symptom?

03-02-2010, 08:09 PM	#2
sivart Not Yet Wild Join Date: Mar 2010 Posts: 11	Re: G16E starts slow then gets normal i had the same problem,,and after many forums and a bunch of opiinions,i found that my solienoid was at fault.burnt inside and as you go it burns enough to speed up. replaced with a 500a from d&d motors.$119.00
sivart Not Yet Wild Join Date: Mar 2010 Posts: 11

03-02-2010, 08:51 PM	#3
wwalkersd Not Yet Wild Join Date: Dec 2009 Location: San Marcos, CA Posts: 12	Re: G16E starts slow then gets normal Thanks, Sivart, that'll give me someplace to start looking.

03-03-2010, 09:22 PM	#4
bhfear EZ-GO-N Join Date: Dec 2007 Location: Geneseo, IL Posts: 505	Re: G16E starts slow then gets normal Motor Brushes might be at fault there.

03-03-2010, 09:58 PM	#5
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,874	Re: G16E starts slow then gets normal Also might try...Take the floor mat off, remove the acsess panel, look to see if your throttle rod adjusting bolt and jam nut has come loose. May want to test the "throttle sensor" also. repost if you'd like the test procedure.

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07-23-2011, 05:23 PM	#6
coffincustoms Not Yet Wild Join Date: Jul 2011 Location: Orange County, CA Posts: 3	Re: G16E starts slow then gets normal I could definitely use a run down of the values and procedure for this. Thanks

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