2010 Yamaha YDRE

usagcr · 08-15-2017, 07:52 PM

Cart will either take off normal OR will jerk a knot in your neck---Dangerous!!!

usagcr · 08-19-2017, 12:31 PM

Any suggestions, mcor or throttle something, batt good, only problem is when you take off

cgtech · 08-19-2017, 01:44 PM

Is there a delay between pedal pressed & full power launch?

usagcr · 08-20-2017, 09:21 AM

Yes a small one , but yes

Papas 73Dart · 08-20-2017, 10:05 AM

Do you get full power as the park brake is released?
I have a Yamaha YDRE and it takes some adjustment of the brake pedal mechanism to eliminate some of the power snap.

usagcr · 08-20-2017, 10:22 AM

I will check it out when I go out there this afternoon. Not sure about that one.

usagcr · 08-26-2017, 09:54 AM

Ok so getting back to this nightmare, now it doesn't go at all. It has a moric controller and all the diagrams I found don't seem correct. I will post more in a couple hours when I find out what is going on.

PingEye3 · 08-26-2017, 10:10 AM

This diagram should match your cart. If your pedal assembly needs adjusting, here are two pages from the shop manual.

usagcr · 08-26-2017, 01:58 PM

I haven't even opened them yet but thanks. From The best I can tell we should have between .5v and 3.5 V on pin seven, we have .49v and it never moves when you depress throttle

usagcr · 09-04-2017, 04:30 PM

Ok we replaced the throttle position sensor. Cart almost running correct lol.
The 26 pin controller plug needs to have downward pressure on it for everything to work. I took harness end (female) plug apart and all pins and wires are tight.
Checked each male prong on the controller, each one is tight. When plugged together everything seems tight, but unless I put just a few pounds of downward pressure on the harness plug (not the wires just the plug) the cart runs. Now back to the original problem. I miss spoke when originally posted. What happens is if you go full throttle the cart runs fine, and from a stop you can take off as slow and smooth as you want to fwd or rev. But once you are full throttle and running top speed, if you let up on throttle pedal, and start coasting then try to mash throttle again there is nothing, it just keeps coasting until it almost stops, then when the cart is almost stopped if you are holding the throttle down it will give you whiplash. Soooo if your running at top speed and you release throttle and start coasting, you might as well just stop the cart and take off again. Help please.

08-15-2017, 07:52 PM	#1
usagcr Gone Wild Join Date: May 2015 Location: Elberta Al a BAMA Posts: 197	2010 Yamaha YDRE Cart will either take off normal OR will jerk a knot in your neck---Dangerous!!!

08-19-2017, 12:31 PM	#2
usagcr Gone Wild Join Date: May 2015 Location: Elberta Al a BAMA Posts: 197	Re: 2010 Yamaha YDRE Any suggestions, mcor or throttle something, batt good, only problem is when you take off

08-19-2017, 01:44 PM	#3
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 2010 Yamaha YDRE Is there a delay between pedal pressed & full power launch?

08-20-2017, 09:21 AM	#4
usagcr Gone Wild Join Date: May 2015 Location: Elberta Al a BAMA Posts: 197	Re: 2010 Yamaha YDRE Yes a small one , but yes

08-20-2017, 10:05 AM	#5
Papas 73Dart Getting Wild Join Date: Oct 2016 Location: Gleniffer Lake Resort ALBERTA Canada Posts: 119	Re: 2010 Yamaha YDRE Do you get full power as the park brake is released? I have a Yamaha YDRE and it takes some adjustment of the brake pedal mechanism to eliminate some of the power snap.

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08-20-2017, 10:22 AM	#6
usagcr Gone Wild Join Date: May 2015 Location: Elberta Al a BAMA Posts: 197	Re: 2010 Yamaha YDRE I will check it out when I go out there this afternoon. Not sure about that one.

08-26-2017, 09:54 AM	#7
usagcr Gone Wild Join Date: May 2015 Location: Elberta Al a BAMA Posts: 197	Re: 2010 Yamaha YDRE Ok so getting back to this nightmare, now it doesn't go at all. It has a moric controller and all the diagrams I found don't seem correct. I will post more in a couple hours when I find out what is going on.

08-26-2017, 01:58 PM	#9
usagcr Gone Wild Join Date: May 2015 Location: Elberta Al a BAMA Posts: 197	Re: 2010 Yamaha YDRE I haven't even opened them yet but thanks. From The best I can tell we should have between .5v and 3.5 V on pin seven, we have .49v and it never moves when you depress throttle

09-04-2017, 04:30 PM	#10
usagcr Gone Wild Join Date: May 2015 Location: Elberta Al a BAMA Posts: 197	Re: 2010 Yamaha YDRE Ok we replaced the throttle position sensor. Cart almost running correct lol. The 26 pin controller plug needs to have downward pressure on it for everything to work. I took harness end (female) plug apart and all pins and wires are tight. Checked each male prong on the controller, each one is tight. When plugged together everything seems tight, but unless I put just a few pounds of downward pressure on the harness plug (not the wires just the plug) the cart runs. Now back to the original problem. I miss spoke when originally posted. What happens is if you go full throttle the cart runs fine, and from a stop you can take off as slow and smooth as you want to fwd or rev. But once you are full throttle and running top speed, if you let up on throttle pedal, and start coasting then try to mash throttle again there is nothing, it just keeps coasting until it almost stops, then when the cart is almost stopped if you are holding the throttle down it will give you whiplash. Soooo if your running at top speed and you release throttle and start coasting, you might as well just stop the cart and take off again. Help please.

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