PULLED PLUGS - WHAT DO YOU THINK?

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Feb 20, 2008 | 06:12 PM

profinish

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Joined: Jul 2006

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From: Discovery Bay, CA

PULLED PLUGS - WHAT DO YOU THINK?

I just pulled the plugs off my '07 RG with 800 miles. I rode the bike stock for 100 miles, then put the AN Big Sucker Stage 2 and rode for 700 miles. Here are what the plugs look like after 800 miles... what do you think?

I just ordered my exhaust (V&H slipons) and working on the fuel pak now... I may run the new exhaust with the current a/c for a couple hundred miles before I can afford the fuel management system. I'm sure it won't be a problem, just wanted to know how lean these plugs look.

BTW... if you don't know how to read plugs, please don't comment

Front Plug

Rear Plug

Feb 20, 2008 | 06:19 PM

electaRICK

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Joined: Sep 2006

Posts: 10,920

Likes: 6

From: Upstate New York

RE: PULLED PLUGS - WHAT DO YOU THINK?

pro,,,, no expert on todays HD's,,, but when I showed them my 07 plugs that looked like that,
I was told thats acceptable for todays bikes,,,, I had a hard time swallowing that,,,,
Its gone now anyways!

Feb 20, 2008 | 06:37 PM

Ram

Outstanding HDF Member

Joined: Sep 2005

Posts: 2,893

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From: USA

RE: PULLED PLUGS - WHAT DO YOU THINK?

Temp looks ok, they maybe a little lean but not showing any signs of buring up anything.. need more run time to show anything conclusive. Its good that they are clean, better then all clogged up.

Feb 20, 2008 | 06:45 PM

mrsr71

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Joined: May 2006

Posts: 2,661

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From: Santa Clarita

RE: PULLED PLUGS - WHAT DO YOU THINK?

Looks a tad lean - #23

Feb 20, 2008 | 06:57 PM

2008FLHP

Outstanding HDF Member

Joined: Sep 2007

Posts: 2,782

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From: NC

RE: PULLED PLUGS - WHAT DO YOU THINK?

nice chart--thanks--where'd ya find it?

Feb 20, 2008 | 07:50 PM

El Pesado

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Joined: Feb 2008

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From: Wess side Burque

RE: PULLED PLUGS - WHAT DO YOU THINK?

Looks slightly lean to me but most likely ok,as long as eng temps arent excessive. Slightly tan or pink color on insulator would be ideal.

Feb 20, 2008 | 07:56 PM

SoCal_Pappy

Elite HDF Member

Joined: Oct 2006

Posts: 4,602

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From: Southern California - Palm Springs Area

RE: PULLED PLUGS - WHAT DO YOU THINK?

Lookin on the Lean Side.... But then it's a '07 EPA Lean\HOT- Putt - Really shouldn't be running a Air Kit with out the Fuel Management System - Running lean can pitt the head of the pistons and can(see it) burn a hole\s into it....