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Aug 13, 2008 | 10:00 PM

flyboyhd

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Stage I

Joined: Aug 2008

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Pinging

I have 07 flstc and when im in 6th gear and rap on the throttle I have a bad ping like I got bad gas. I run 93 octane in my bike and it only has 3,300 miles on it what is the best fuel treament for bikes. please help.

Aug 13, 2008 | 10:04 PM

sonar_chris

Outstanding HDF Member

Joined: Feb 2005

Posts: 2,780

Likes: 5

From: San Diego

Its probably your fork tins rattling. Next time it happens, take your left hand and grab the fork tin (metal behind the headlight) and squeeze it. Ill bet you that your pining stops.

Aug 13, 2008 | 10:06 PM

Nutbush

Road Master

Joined: Jul 2008

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From: Colorado

Don't lug it.

Aug 13, 2008 | 10:12 PM

Bluesssman

Elite HDF Member

Joined: Mar 2008

Posts: 4,196

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From: Reno, Nevada

What you are hearing is detonaton. Not a good thing to hear as it will destroy your engine. Caused by a too lean fuel mixture. The bike is set up very lean from the factory for EPA. A good fuel management system such as Power Commander III will solve your problem. PM me if you need additional info.

Aug 13, 2008 | 10:17 PM

sonar_chris

Outstanding HDF Member

Joined: Feb 2005

Posts: 2,780

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From: San Diego

Quote:

Originally Posted by Bluesssman

Im not sure he is actually pining Blues... if he is running 93 octane and hasnt done pipes or an air cleaner to his bike (which he didnt tell us weather or not he did) then Im going to have to say its something else ratteling. Even if he did change out the pipes and air cleaner, the fact still remains that he has a narrow band closed loop EFI system on his 07 which should compensate just enought to keep if from pining with a stage 1 set up. But we dont know what else he may have done.

Aug 13, 2008 | 10:23 PM

Other Sheep

Ultimate HDF Member

Joined: Feb 2008

Posts: 5,615

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From: Escondido, CA

The 07 runs lean with or without the stage 1. Whether it's stock or has pipes and an air cleaner it will ping even with 93 octane fuel. Fuel additives is not the answer. Use a fuel management system like the PC3 or Harleys unit like the SERT. Even then when it gets hot on a hot day it will still ping if it's lugged. Keep the RPMs up until you get a tune. Don't use 6th gear unless you're above 70 or so.