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Oil Cooler on Harley Davidson #4517556
09/16/17 01:38 AM
09/16/17 01:38 AM
Joined: Dec 2002
Posts: 235
Girard, Ill
yankees1 Offline OP
yankees1  Offline OP
Joined: Dec 2002
Posts: 235
Girard, Ill
How efficient are these and wouldn't it be more efficient with a fan activated cooler instead of the no fan cooler as installed on 2018 Harleys ? Most of my riding will be non stop and go or heavy traffic.

Re: Oil Cooler on Harley Davidson [Re: yankees1] #4517599
09/16/17 05:36 AM
09/16/17 05:36 AM
Joined: Sep 2014
Posts: 2,179
US-WA
Dyusik Offline
Dyusik  Offline
Joined: Sep 2014
Posts: 2,179
US-WA
Point of the fan is moving stagnant air. In motion you have air moving, no point of having a fan.


95 Cherokee 190K DELO 10W30, XG8
07 IS250 103K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 21K VR1 20w50, NG1515
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Re: Oil Cooler on Harley Davidson [Re: yankees1] #4517618
09/16/17 06:42 AM
09/16/17 06:42 AM
Joined: Sep 2009
Posts: 2,167
Deep in the heart of Jersey
BigCahuna Offline
BigCahuna  Offline
Joined: Sep 2009
Posts: 2,167
Deep in the heart of Jersey
Harley has a unique way of dealing with heat related issues. A standard oil cooler works the same as a radiator in your car. When moving, air is directed across the fins and cools whatever fluid your trying to cool . Like Anti- freeze, trans fluid. Works the same way on a Harley for it's motor oil. Now a new stock Harley will give off alot of heat when run normally. The oil temperature is engineered to run in a certain range under normal use. If the motor gets too hot from slow or stop and go riding in hot areas, the rear cylinder will shut off, lessening the amount of heat felt by the rider.I'm guessing it was easier and cheaper to make that happen with the onboard computer, then to add a mechanical part to the bike. As long as your moving, air will pass over the oil cooler and remove heat.,,,

Re: Oil Cooler on Harley Davidson [Re: yankees1] #4517900
09/16/17 01:37 PM
09/16/17 01:37 PM
Joined: Jan 2014
Posts: 518
AZ
leroyd92 Offline
leroyd92  Offline
Joined: Jan 2014
Posts: 518
AZ
Add a 12" dual pass cooler.

Fastest way to drop 50 to 80F from the oil...

My 18" dropped 280 down to 180. durring the 120 summer


Supertech Junky

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