Oil pressure dropping
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Stage II
Joined: Jul 2025
Posts: 2
Likes: 1
From: Michigan
Oil pressure dropping
Hello Im Dominic. Im a new rider and this is my first bike. I got a 2003 Ultra Classic 100th anniversary firefighters edition. I changed the oil and have rode about 200 miles since. Seems to be running fine but the oil pressure gauge drops at idle. Lil throttle puts it back to normal but even when im riding as soon as i let off the throttle the gauge drops. Theres oil in it so what should i do?
Road Warrior
Joined: Jan 2006
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Hello Im Dominic. Im a new rider and this is my first bike. I got a 2003 Ultra Classic 100th anniversary firefighters edition. I changed the oil and have rode about 200 miles since. Seems to be running fine but the oil pressure gauge drops at idle. Lil throttle puts it back to normal but even when im riding as soon as i let off the throttle the gauge drops. Theres oil in it so what should i do?
Congrats on your ride. I also have an anniversary addition Electra Glide.
Stellar HDF Member
Joined: Aug 2011
Posts: 2,773
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From: Newnan, GA
Hello I’m Dominic. Im a new rider and this is my first bike. I got a 2003 Ultra Classic 100th anniversary firefighters edition. I changed the oil and have rode about 200 miles since. Seems to be running fine but the oil pressure gauge drops at idle. Lil throttle puts it back to normal but even when im riding as soon as i let off the throttle the gauge drops. Theres oil in it so what should i do?
You could leave it as is, and you would still be okay.
Road Master
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From: Sarasota Florida
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Stage II
Joined: Jul 2025
Posts: 2
Likes: 1
From: Michigan
drops to zero or just above. Still idles fine, but once in a while sounds like a skip or like it may stall out. Could be paranoid. Also the bike backfires and sometimes bigs down after starting. Usually the oil pressure is normal when first starting and idling but after i start riding is when it happens.
Seasoned HDF Member
Joined: Sep 2009
Posts: 17,148
Likes: 6,171
From: SE Michigan
drops to zero or just above. Still idles fine, but once in a while sounds like a skip or like it may stall out. Could be paranoid. Also the bike backfires and sometimes bigs down after starting. Usually the oil pressure is normal when first starting and idling but after i start riding is when it happens.
Its a very much discussed topic here. https://www.google.com/search?q=oil+...hrome&ie=UTF-8
And the "skip" you mention is confirmation that you do in fact own a Harley.
Last edited by Keithhu; Jul 14, 2025 at 02:10 PM.