Is there a trouble free bike with mm EFI?

Magneti Marelli EFI 1999-2001-Does Anyone Here Have A Trouble Free Bike with MM EFI? I’m the original owner of a 2000 FLHTCUI and it was trouble free until this year, now I’m having issues with the MM EFI system and It’s starting to cost me money and aggravation chasing the EFI problems.

What kind of idle problem does a road King have?

Rough idle, Carbon fouling the plugs, backfiring, and it sounds like the fuel pump is dumping way too much fuel. It is an 01 Road King with PCM3-USB, Arlen Ness Big Sucker Intake and Wild Pig Slip On’s. Please help!

What causes idle problem on Harley Davidson 01 RK?

Any resistance felt by the IAC will affect your idle. The miniature bearing is a cheap easy fix. Had 3 bikes w/MM injection.. (still have the 01 RK) 1 gave me a little trouble like you were seeing. I took apart all electrical connections and cleaned w/good electronic contact cleaner..No probs since in 25K miles. Friend did same/same result.

What kind of problem do you have with your EFI?

I have never had any single problem. 2001 Road King Classic. About 50.000 miles. My EFI works good. Recalibrated with DFO. Recent inspection of the clutch: almost like brand new. Recent inspection of the belt: almost like brand new. What kind of a problem you have on your mind exactly? .. . I have a 2000 FLTRSEI that had MM EFI.

Why do I keep replacing the fuse on my Harley Davidson?

However, if you find yourself replacing the same fuse over and over, it’s a sign that you have an electrical issue bigger than a blown fuse, most likely a short circuit. It’s a good idea to always check your fuses first when faced with any electrical issue.

Are there any Harley Davidsons that do not have fuel injection?

As of now, the Sportster is the only model in H-D’s lineup to not have fuel injection as an option. The ’01 model year saw the introduction of EFI to the Softail line, while in ’04 the Dynas had the optional computer-controlled gas mixer. Magneti Marelli (MM) designed Harley-Davidson’s first incarnation of fuel injection.

Are there any misconceptions about fuel injection?

Many mechanics and most riders really don’t have a good idea on how EFI works and how the primary components interact. Misconceptions about EFI abound and the amount of bad information being passed around is high. By the time you have finished this article, you should be thoroughly confused or have a new understanding and appreciation for EFI.

How does the mm unit adjust the fuel mixture?

Another way the MM unit adjusts the fuel mixture is by the position of the throttle and rpm, a so-called “Alpha-N” system. A major advantage of throttle-based control is that there’s no dependence on intake-manifold pressure, which benefits motors with radical cams.

Is the idle speed motor on my 99 ultra bad?

I have a 99 Ultra with MM Injection. When I bought the bike 4 years ago the cold start/idle was terrible. Being in the car business it was not too difficult to diagnose as a bad idle speed motor. It actuated but once it touched the lever it would not move it.

What kind of fuel injection does a Harley Davidson use?

Calibration 3=Domestic I have a HD 2000 Electra Glide Ultra Class fuel injection but it has no O2 SENIORS when I first start it.

Do you have a Magneti Marelli EFI tank?

If by chance you can find an exact tank as yours (off a carbed bike) then LITERALLY IS A BOLT ON, PLUG & PLAY THING. I too thought this may have been a daunting task, at first. but i repeat….it’s easy.

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