Oil Pressure
Grand HDF Member
Joined: Feb 2005
Posts: 4,306
Likes: 9,425
From: Twin Cities Minnesota
RE: Oil Pressure
ORIGINAL: Taterdog
I've got a 2000 Classic but no owners manual. What should the oil pressure be under normal riding conditions with a warm engine?
I've got a 2000 Classic but no owners manual. What should the oil pressure be under normal riding conditions with a warm engine?
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Outstanding HDF Member
Joined: Oct 2006
Posts: 2,183
Likes: 1
From: Lenexa, KS (KC)
RE: Oil Pressure
Thanks, everyone. No problem (I hope), just needed some info since it seems to be running on the low side, but I don't know what normal is.
I'm running around 7 to 10 at idle and 30 to 32 at 2000 rpm. Never seems to go much higher when warmed up. Probably okay, just didn't know where it should be. The previous owners supposedly have used HD syn since new.
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Road Warrior
Joined: Aug 2006
Posts: 1,428
Likes: 2
From:
RE: Oil Pressure
ORIGINAL: Taterdog
Thanks, everyone. No problem (I hope), just needed some info since it seems to be running on the low side, but I don't know what normal is.
I'm running around 7 to 10 at idle and 30 to 32 at 2000 rpm. Never seems to go much higher when warmed up. Probably okay, just didn't know where it should be. The previous owners supposedly have used HD syn since new.
Thanks, everyone. No problem (I hope), just needed some info since it seems to be running on the low side, but I don't know what normal is.
I'm running around 7 to 10 at idle and 30 to 32 at 2000 rpm. Never seems to go much higher when warmed up. Probably okay, just didn't know where it should be. The previous owners supposedly have used HD syn since new.
Ultimate HDF Member
Joined: Dec 2006
Posts: 5,878
Likes: 17
From: The Desert SouthWest
RE: Oil Pressure
Someone correct me if I'm wrong please, but from what I've heard H-D's run on VOLUME rather than high pressure... There can still be high volume movement even at low pressures - it just depends on the size of the channels/galleriesit is passing through. In the case of H-D motors it appears they flow alot of oil but don't run at high pressure.
Road Warrior
Joined: Aug 2006
Posts: 1,428
Likes: 2
From:
RE: Oil Pressure
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Except for the lifters and the oil jets spraying the bottom of the pistons, HD engines will run with very little pressure. They are ball and roller bearing design which is different from most auto engines that use plain bearings and need high oil pressure to keep from self destructing.
Except for the lifters and the oil jets spraying the bottom of the pistons, HD engines will run with very little pressure. They are ball and roller bearing design which is different from most auto engines that use plain bearings and need high oil pressure to keep from self destructing.