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Pictures! How do my plugs look like?

Started by Atesz792, April 11, 2017, 02:03:03 AM

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Atesz792

Hey guys,
I got to 72000 km's (on the odo, but I'm not the first owner so who knows) and changed the spark plugs in my bike.
These are factory cross-reference Densos, they were in there for 12.000 km's.
Didn't like the quality when I put them in, NGK's look much more solid when new, but I had already bought them by then, so...
I guess I would like to know if everything looks all right. According to a chart I found online I'm good, but growing up on 2 strokes, these plugs frightened me when they came out.
Maybe I should add that the last 1-2 minutes of operation was at idle speed, warming up a bit for oil change.

5 pics, because everyone loves pics:
http://imgur.com/a/JvZ8W

And the chart:
https://www.thumpertalk.com/uploads/monthly_10_2013/ccs-376432-0-45841500-1382882162.jpg

Thanks for the help in advance!
'04 GS500F with 50k miles updated July 2022.
Ride it like a 2 stroke:
1: Rev high
2: Add oil
3: Repeat

rscottlow

It looks like your bike is running lean to me. I'm sure others with far more knowledge than I will chime in soon.
Scott - Cincinnati, Ohio
2009 GS500F

qcbaker

Yeah, the electrode being all white like that looks pretty lean to me.

The Buddha

Yea lean. Check if something is clogged. But its likely not, then rejet.
Cool.
Buddha.
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I run a business based on other people's junk.
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Atesz792

Thanks guys. :)
Based on my previous experience with smaller carbs, I will not even touch these.
Which means I would have to pay for it to get done.
Which then means that I should get the jet sizes spot on @ the first time, or it will get expensive fast.
So, what should I put in a bone stock 2004 GS500F for the best results? She's really cold blooded right now, even with a fresh battery and valves checked.
'04 GS500F with 50k miles updated July 2022.
Ride it like a 2 stroke:
1: Rev high
2: Add oil
3: Repeat

Watcher

Not sure what has you spooked about the carbs but if all you're doing is changing jets it really is an easy job.

The wiki has a lot of information about it.  The hardest parts are:
1. Actually taking the carbs out of the bike.
2. Getting the bowl screws off without stripping them.
"The point of a journey is not to arrive..."

-Neil Peart

dominickbuff

im about to change my plugs on my bike but i only bought it 3 years ago so im procrastinating lol

rscottlow

Quote from: Watcher on April 11, 2017, 07:08:40 AM
Not sure what has you spooked about the carbs but if all you're doing is changing jets it really is an easy job.

The wiki has a lot of information about it.  The hardest parts are:
1. Actually taking the carbs out of the bike.
2. Getting the bowl screws off without stripping them.

I second this. I had NEVER touched a carburetor in my life before I bought my GS. Since then, with the help of the wiki and some friendly folks around here, I've replaced some carb parts that were damaged by the PO (a float and a diaphragm), and have done my own thorough carb cleaning. Once I got those screws out, I replaced them with hex head screws for ease of future removals. It's not as intimidating as it sounds.
Scott - Cincinnati, Ohio
2009 GS500F

Atesz792

Thanks guys, appreciate the help.
I'm contemplating doing it, but all the threads with titles like 'rejetted, now my bike doesn't run' etc are still holding me back.
'04 GS500F with 50k miles updated July 2022.
Ride it like a 2 stroke:
1: Rev high
2: Add oil
3: Repeat

Darkstar

If you rejet, you might as well replace all the o-rings while you're in there. I was you 6 months ago and a guy out here gave me this advice. Absolutely worth the little bit of extra work and the parts are pennies...it really tightens things up.
2007F with 22k NY/NJ miles. Stock exhaust/airbox. Rejet to 20/60/132/one o-ring/1.25 turns out, +2 mojo

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