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Dexcool in a Yamaha Rhino? #4711960
03/30/18 10:03 PM
03/30/18 10:03 PM
Joined: Sep 2017
Posts: 98
Southeast
BlakeB Offline OP
BlakeB  Offline OP
Joined: Sep 2017
Posts: 98
Southeast
I'm getting ready to replace the failed stator in our 2011 Yamaha Rhino 700. You must drain the coolant and engine oil to get the cover off to access the stator. The Rhino currently has a 50/50 green all makes/models universal coolant in it. I have had no issues with the green antifreeze, but...

I have two gallons of 50/50 mixed (full strength and later mixed with equal amounts of distilled water)Valvoline Zerex Dexcool already bought that I have leftover from a past project. Is there any reason why I can't use the Dexcool in the Yamaha?

Last edited by BlakeB; 03/30/18 10:16 PM.
Re: Dexcool in a Yamaha Rhino? [Re: BlakeB] #4711982
03/30/18 11:12 PM
03/30/18 11:12 PM
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
If you flush the old stuff out, you should be fine to use Dexcool.

I'd probably use something like Zerex G05 or Zerex Asian Formula, but coolant isn't complicated.

Re: Dexcool in a Yamaha Rhino? [Re: BlakeB] #4712051
03/31/18 04:32 AM
03/31/18 04:32 AM
Joined: Jul 2008
Posts: 329
ohio
cven Offline
cven  Offline
Joined: Jul 2008
Posts: 329
ohio
I would not use Dexcool ... get some Honda coolant from the local car dealership. I think ??? the seals in the Asian water pumps don't play well with other formulas.

Do some reading about it to make sure.

Re: Dexcool in a Yamaha Rhino? [Re: BlakeB] #4712188
03/31/18 08:25 AM
03/31/18 08:25 AM
Joined: Jun 2003
Posts: 17,825
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,825
Deplorable in apple valley, ca
I would be worried about dexcool damaging plastic parts.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Dexcool in a Yamaha Rhino? [Re: BlakeB] #4712219
03/31/18 09:27 AM
03/31/18 09:27 AM
Joined: Jan 2012
Posts: 62
NJ
italian68 Offline
italian68  Offline
Joined: Jan 2012
Posts: 62
NJ
dexcool might possibly be the worst coolant currently produced


07 BMW 530i 50k Castrol Edge 0w40 Mann
06 Ram 2500 5.7 109k QSUD 5w30 51515
05 Camry 2.4 112k QSUD 5w20 51516
Re: Dexcool in a Yamaha Rhino? [Re: italian68] #4712900
04/01/18 04:10 AM
04/01/18 04:10 AM
Joined: Oct 2008
Posts: 19,206
Sunny Florida
SteveSRT8 Offline
SteveSRT8  Offline
Joined: Oct 2008
Posts: 19,206
Sunny Florida
Originally Posted By: italian68
dexcool might possibly be the worst coolant currently produced


Yep, so bad with both Ford and GM using it in all their cars.

really bad...


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
Re: Dexcool in a Yamaha Rhino? [Re: Chris142] #4712941
04/01/18 06:13 AM
04/01/18 06:13 AM
Joined: Sep 2017
Posts: 98
Southeast
BlakeB Offline OP
BlakeB  Offline OP
Joined: Sep 2017
Posts: 98
Southeast
Originally Posted By: Chris142
I would be worried about dexcool damaging plastic parts.

Based on what?

Re: Dexcool in a Yamaha Rhino? [Re: SteveSRT8] #4712950
04/01/18 06:20 AM
04/01/18 06:20 AM
Joined: Sep 2017
Posts: 98
Southeast
BlakeB Offline OP
BlakeB  Offline OP
Joined: Sep 2017
Posts: 98
Southeast
Originally Posted By: SteveSRT8
Originally Posted By: italian68
dexcool might possibly be the worst coolant currently produced


Yep, so bad with both Ford and GM using it in all their cars.

really bad...

Itís so bad that our 05 Trailblazer is still on its original water pump after 13 years. The coolant passage was super shiny when I replaced the thermostat, so obviously itís really acidic and stuff. If Iíd ran the factory fill much longer than the 10 years it was in there it surely would have turned to goop?

In all seriousness I donít think dexcool is that bad. Iíve seen a few older GM cars online that allegedly had some issues when dexcool was mixed with other types of coolant, but who knows. If there was a problem, I donít think it was widespread. Obviously Iím not an antifreeze/coolant expert.

Re: Dexcool in a Yamaha Rhino? [Re: Reddy45] #4712962
04/01/18 06:27 AM
04/01/18 06:27 AM
Joined: Sep 2017
Posts: 98
Southeast
BlakeB Offline OP
BlakeB  Offline OP
Joined: Sep 2017
Posts: 98
Southeast
Originally Posted By: Reddy45
If you flush the old stuff out, you should be fine to use Dexcool.

I'd probably use something like Zerex G05 or Zerex Asian Formula, but coolant isn't complicated.

I might go this route, Iíve been thinking about using the Zerex Asian Formula in my Toyota in the place of the Toyota pink antifreeze anyways. I donít really think the Yamaha would have any issues with it or the Dexcool either one. Yamaha doesnít really specify any specific antifreeze, just a 50/50 mix and to change it every 2 years.

Re: Dexcool in a Yamaha Rhino? [Re: SteveSRT8] #4712964
04/01/18 06:30 AM
04/01/18 06:30 AM
Joined: Oct 2008
Posts: 1,561
Flatlands of Indiana
JetStar Offline
JetStar  Offline
Joined: Oct 2008
Posts: 1,561
Flatlands of Indiana
Use what your OM recommends, which I believe is silcate free.
I'd probably go with something like this;
https://www.valvoline.com/our-products/antifreeze-products/zerex-asian-vehicle-antifreeze-coolant


My weakness is I love all motorcycles regardless of brand
2017 Wide Glide
2016 Suzuki DR650
2015 Road Glide
2007 Yamaha FZ1
1978 Suzuki GS1000 (now 1085)
Re: Dexcool in a Yamaha Rhino? [Re: BlakeB] #4712970
04/01/18 06:33 AM
04/01/18 06:33 AM
Joined: Oct 2008
Posts: 1,561
Flatlands of Indiana
JetStar Offline
JetStar  Offline
Joined: Oct 2008
Posts: 1,561
Flatlands of Indiana
Originally Posted By: BlakeB
Originally Posted By: Chris142
I would be worried about dexcool damaging plastic parts.

Based on what?


One of the anti-corrosion components presented as sodium or Potassium 2-ethylhexanoate and ethylhexanoic acid is incompatible with nylon 6,6 and silicone rubber, and is a known plasticizer.

I'm not a chemist, but this is what's out there in the world.


My weakness is I love all motorcycles regardless of brand
2017 Wide Glide
2016 Suzuki DR650
2015 Road Glide
2007 Yamaha FZ1
1978 Suzuki GS1000 (now 1085)
Re: Dexcool in a Yamaha Rhino? [Re: JetStar] #4713021
04/01/18 07:10 AM
04/01/18 07:10 AM
Joined: Sep 2017
Posts: 98
Southeast
BlakeB Offline OP
BlakeB  Offline OP
Joined: Sep 2017
Posts: 98
Southeast
Originally Posted By: JetStar
Originally Posted By: BlakeB
Originally Posted By: Chris142
I would be worried about dexcool damaging plastic parts.

Based on what?


One of the anti-corrosion components presented as sodium or Potassium 2-ethylhexanoate and ethylhexanoic acid is incompatible with nylon 6,6 and silicone rubber, and is a known plasticizer.

I'm not a chemist, but this is what's out there in the world.

Interesting, I had no idea. I would think that the plastics used in automotive applications would or should be compatible with most antifreeze formulations, otherwise youíd have a lot of people having a lot of trouble Iíd think. Thanks for the info!

Re: Dexcool in a Yamaha Rhino? [Re: BlakeB] #4713254
04/01/18 12:04 PM
04/01/18 12:04 PM
Joined: Jan 2012
Posts: 62
NJ
italian68 Offline
italian68  Offline
Joined: Jan 2012
Posts: 62
NJ
if not replaced at regular intervals dexcool will corrode/deteriorate the cooling system circuit.


07 BMW 530i 50k Castrol Edge 0w40 Mann
06 Ram 2500 5.7 109k QSUD 5w30 51515
05 Camry 2.4 112k QSUD 5w20 51516
Re: Dexcool in a Yamaha Rhino? [Re: italian68] #4713309
04/01/18 01:58 PM
04/01/18 01:58 PM
Joined: Dec 2009
Posts: 26,251
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 26,251
Regina, Saskatchewan, Canada
Originally Posted By: italian68
if not replaced at regular intervals dexcool will corrode/deteriorate the cooling system circuit.

To what coolant concoction would that not apply?


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Dexcool in a Yamaha Rhino? [Re: italian68] #4713324
04/01/18 02:18 PM
04/01/18 02:18 PM
Joined: Oct 2008
Posts: 19,206
Sunny Florida
SteveSRT8 Offline
SteveSRT8  Offline
Joined: Oct 2008
Posts: 19,206
Sunny Florida
Originally Posted By: italian68
if not replaced at regular intervals dexcool will corrode/deteriorate the cooling system circuit.


Absolute nonsense. I run GM fleet vans and Silverados and we run them to component failure on OEM coolant. This is usually well over 200k miles.

Never a problem with Dexcool. None whatsoever.

Your info is based on a problem GM had with GASKETS, not coolant...


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
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