Warm up? Or Ride Away? - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #1 of 33 (permalink) Old 12-12-2012, 03:04 PM Thread Starter
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Warm up? Or Ride Away?

I've seen a couple of posts suggesting that it's a good idea to let the bike warm up before riding off. However I was always told that it is best to ride away immediately but gently until the oil is warm.
Back when I rode a Triumph 650 I was told by a Triumph rep. that letting the bike idle for long periods on the stand would knock out the big-ends double-quick. Maybe that was because they were plain bearings needing high oil pressure but similarly I've been told that Harleys need to run above idle speed to properly lubricate the top end. What about the transmission?
What do y'all think?
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post #2 of 33 (permalink) Old 12-12-2012, 03:11 PM
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some old MC folks in the hood told me to let it run for a few minutes when it's < 40 in the morning and then ride on - on low RPM until I feel the engine block warm. anything above 40, just fire up and ride on is what I do. I'd love to hear a more educated information from the high level folks here as well.
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post #3 of 33 (permalink) Old 12-12-2012, 03:14 PM
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I've been running aircooled engines since I was 15. (In Aircraft)

Every instructor I've ever flown with and every FAA approved manual that mentions it has said in one way or another to idle until the temp needle come alive.

I've found in real life (in planes) that that takes about a minute or two unless it is very, very cold. So I have used that with my bike. I give it a minute or two.
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post #4 of 33 (permalink) Old 12-12-2012, 03:19 PM
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30 seconds to let the oil circulate and I'm movin.
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post #5 of 33 (permalink) Old 12-12-2012, 03:29 PM
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you need to let it warm up some,if you don't you can push the gaskets out of the motor.the engine expands as it gets warm and seals better as it grows.take alook at people bikes that just jump on it and wack the gas.normally they are oil leakers.i don't take off until the rocker boxs have some heat in them and then take it slow for a few miles.twin cam motors are not as bad for blowing gaskets as evos.
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post #6 of 33 (permalink) Old 12-12-2012, 03:31 PM
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I was taught to let it warm up until the rear box is warm to the touch. I find that takes about 3 minutes.

Sometimes I actually follow that teaching. Other times I just don't have time. Lmao.


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post #7 of 33 (permalink) Old 12-12-2012, 03:39 PM
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The ile time to get "warmed" is about the amount of time it takes the average person to zip their jacket, put their helmet on and do the strap, put gloves on, sit on the bike, pull up the kickstand, and adjust the mirrors. That's generally fine.

Don't go beating the shit out of it until its warmed up completely, just due to cylinder growth and oil temps. As stated, that's a good way to push/damage a head gasket.

Ambient temps will determine if that's going to be 3 minutes or 3 miles.

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post #8 of 33 (permalink) Old 12-12-2012, 04:21 PM
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The ile time to get "warmed" is about the amount of time it takes the average person to zip their jacket, put their helmet on and do the strap, put gloves on, sit on the bike, pull up the kickstand, and adjust the mirrors. That's generally fine.

Don't go beating the shit out of it until its warmed up completely, just due to cylinder growth and oil temps. As stated, that's a good way to push/damage a head gasket.

Ambient temps will determine if that's going to be 3 minutes or 3 miles.
what he said!
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post #9 of 33 (permalink) Old 12-12-2012, 04:27 PM
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Originally Posted by Dave63 View Post
The ile time to get "warmed" is about the amount of time it takes the average person to zip their jacket, put their helmet on and do the strap, put gloves on, sit on the bike, pull up the kickstand, and adjust the mirrors. That's generally fine.

Don't go beating the shit out of it until its warmed up completely, just due to cylinder growth and oil temps. As stated, that's a good way to push/damage a head gasket.

Ambient temps will determine if that's going to be 3 minutes or 3 miles.

Yup, this is what I try to follow. Or, I'll start it waiting on the wife to get her crap on...PLENTY of time.....

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post #10 of 33 (permalink) Old 12-12-2012, 04:41 PM
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Originally Posted by hardheaded View Post
you need to let it warm up some,if you don't you can push the gaskets out of the motor.the engine expands as it gets warm and seals better as it grows.take alook at people bikes that just jump on it and wack the gas.normally they are oil leakers...
+1...Aluminum Harley engines depend on heat-induced metal expansion to reach the proper top end torque values.

If it ain't broke, don't fix it.
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