EVO All Evo Model Discussion

high oil pressure?

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Old Apr 16, 2017 | 04:39 PM
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Default high oil pressure?

It's been 3 years since I last started my 1996 FLHTCI and that season I had all the fluids changed. The bike only has 22000 miles on it and probably 150 miles since the fluid change. Today I installed a brand new battery. The bike started right up. I let it run for about a minute with rpm's slightly above idle. I noticed my oil pressure guage was reading at 40 psi. I can't remember what it used to read under normal riding conditions but on idle it read around 20 psi. Is this normal or is something mechanically wrong due to the bike sitting? Thanks for any/all answers.
 
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Old Apr 16, 2017 | 05:00 PM
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When fully cold, mine gets into that range.

Once it's up to full opetating temperature, you can kind of use the oil pressure gauge as a thermometer. If it's a cold day (low 40's), pressure at cruising speeds settles in to 15+ pounds. If it's a blistering hot day, maybe 10 pounds.

As long as your's settles in when warm, it's probably fine.
 
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Old Apr 16, 2017 | 05:04 PM
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40 psi is ok. Only when the oil is below 65 degrees.
Now, if you had 40psi at 180F, that would be a relief spring malfunction at the oil pump. Ride yer bike!
 
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Old Apr 18, 2017 | 05:23 PM
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My oil pressure is about 40 dead cold and about 30 as the heads warm and on a 70* day warmed up I get 10 at idle and 21 running dn the road.
 
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Old Apr 20, 2017 | 01:54 PM
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Aloha,
wich Oil do you use?
I use RevTech pure 20W50 and can confirm the same value:
10 psi in idle whe warm, up to 25 psi under running.
 
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Old Apr 20, 2017 | 04:44 PM
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Originally Posted by blumi
Aloha,
wich Oil do you use?
I use RevTech pure 20W50 and can confirm the same value:
10 psi in idle whe warm, up to 25 psi under running.
I use Valvoline 20-50 race or their motorcycle oil.
 
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Old Apr 20, 2017 | 06:43 PM
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Originally Posted by NORTY FLATZ
40 psi is ok. Only when the oil is below 65 degrees.
Now, if you had 40psi at 180F, that would be a relief spring malfunction at the oil pump. Ride yer bike!
What would be the issue with the spring ?
 
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