Burning oil

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Jul 6, 2021 | 03:53 PM

Atobias

Thread Starter

5th Gear

Joined: Jun 2021

Posts: 9

Likes: 2

From: Michigan

Burning oil

I’m not leaking any oil outside of the bike. The power in accelerating isn’t affected. I get black puffs on heavy acceleration and white unnoticeable smoke at idle. I have a build up of carbon on the breather hose and carbon in the air filter but I’ve cleaned them and it’s very little. Will be doing a compression test soon. It burns about a quart every 700 miles or so. It has a s&s super carb kit. 98 fxdl. Any ideas. Next is to check the plugs.

Jul 6, 2021 | 04:03 PM

misfitJason

Seasoned HDF Member

Joined: Dec 2010

Posts: 6,849

Likes: 1,389

From: Florida

Compression test and leakdown test. That will tell you if it's the rings or heads.

Jul 7, 2021 | 05:43 AM

98hotrodfatboy

Seasoned HDF Member

Joined: Mar 2010

Posts: 21,116

Likes: 7,638

From: Poolville

You'll get a lot more help in the Evo section... Most of the guys here are TC'ers....

You can always pop the exhaust of and take a look at the exhaust guides.. I'll bet they're pretty wet with oil...

Jul 7, 2021 | 05:49 AM

Andy from Sandy

Seasoned HDF Member

Joined: Sep 2017

Posts: 12,254

Likes: 4,946

From: England

No Harley expert but generally black smoke when accelerating, rich engine. White smoke accelerating, oil past the rings. White smoke when changing gear, valve guides.