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Cleaning Radiator Fins


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#1 LAF

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Posted 17 April 2012 - 03:46 PM

While washing and waxing the bike I looked through my plastic and spied the radiator.

Well I suds up the front a bunch and then go to the holes in the plastic with the hose and start spraying what I could see and direct water too.

I almost lost my lunch!

I could not believe the dirt that came out! I mean it was yellow and darker in some areas! Now I have 12k on the bike and the first time I did this. Still cannot believe the sediment that settled under the front of the bike!

I will add this to any time I have plastic off as it will give me clear access, and it is worth the effort in my opinion.

Check for yourselves next time you have a hose out to wash the bike. Don't eat first though.

I was blaming my dealer for screwing up my coolant flush as I was seeing different temp bars at running temp. I most always ran 4 steady except stop and go of course. I was seeing mostly 5, but some 4 bar temps after the change, and even after a trip back for a burp.

After the cleaning I am running a solid 4 bars again.

YMMV

#2 majicmaker

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Posted 17 April 2012 - 04:25 PM

Hydrogen Peroxide sprayed in the Fins will desolve all the dry bug guts too! You won't believe how many there are in there. :)
If you're not the lead dog. The view never changes and it always smells like crap!

#3 ahchiu

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Posted 17 April 2012 - 05:04 PM

Hydrogen Peroxide sprayed in the Fins will desolve all the dry bug guts too! You won't believe how many there are in there. :)

+1, I also use it on the front fairing of the bike for bugs.
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#4 escapefjrtist

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Posted 17 April 2012 - 07:12 PM

Gunny!

Definitely well worth the time to clean the radiator fins. After encountering similar issues with my prior '06, a good radiator cleaning and T-Stat change brought things back to normal.

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#5 RadioHowie

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Posted 17 April 2012 - 07:44 PM

Damn, LAF, if you ain't the worry'n'est (?) poster on this forum.

Just think how dirty the underside of your fenders are!!

RIDE MORE...STRESS LESS!!!
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The whole chicken strips thing is BS. - HaulinAshe 7/29/2010
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#6 LAF

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Posted 18 April 2012 - 03:37 AM

Damn, LAF, if you ain't the worry'n'est (?) poster on this forum.

Just think how dirty the underside of your fenders are!!

RIDE MORE...STRESS LESS!!!

I beg your pardon, my fenders are spotless underneath!

I was just surprised at the heavy sediment that came out. Of course I ride year round here in PA so the cinders, salt, and the anti ice spray on the roads must be hell on collecting in the fins.

Each their own, but for the time it takes, and you see what I did, it will make you a believer.

I mean these bikes are just pure bug magnets on the front end and shield, stands to reason the radiator is catching hell too.

I do stress less, because I know my bike is in good running shape. I got 4500 on in the last 7 weeks so I am riding too!

#7 BwanaDik

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Posted 18 April 2012 - 04:27 AM

While washing and waxing the bike I looked through my plastic and spied the radiator.

Well I suds up the front a bunch and then go to the holes in the plastic with the hose and start spraying what I could see and direct water too.

I will add this to any time I have plastic off as it will give me clear access, and it is worth the effort in my opinion.

Check for yourselves next time you have a hose out to wash the bike. Don't eat first though.

I was blaming my dealer for screwing up my coolant flush as I was seeing different temp bars at running temp. I most always ran 4 steady except stop and go of course. I was seeing mostly 5, but some 4 bar temps after the change, and even after a trip back for a burp.

After the cleaning I am running a solid 4 bars again.

YMMV


I'm having this issue too, I was suspecting the radiator being dirty but didn't seem to be able to clean it completely.

What part of the fairing did you have off? Were you spraying from the inside out or the outside in?

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#8 majicmaker

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Posted 18 April 2012 - 05:09 AM


While washing and waxing the bike I looked through my plastic and spied the radiator.

Well I suds up the front a bunch and then go to the holes in the plastic with the hose and start spraying what I could see and direct water too.

I will add this to any time I have plastic off as it will give me clear access, and it is worth the effort in my opinion.

Check for yourselves next time you have a hose out to wash the bike. Don't eat first though.

I was blaming my dealer for screwing up my coolant flush as I was seeing different temp bars at running temp. I most always ran 4 steady except stop and go of course. I was seeing mostly 5, but some 4 bar temps after the change, and even after a trip back for a burp.

After the cleaning I am running a solid 4 bars again.

YMMV


I'm having this issue too, I was suspecting the radiator being dirty but didn't seem to be able to clean it completely.

What part of the fairing did you have off? Were you spraying from the inside out or the outside in?

I rarely have the plastic off so, I soak the crap out of it from the front. That's where all the bugs go in. I have a 90 degree water and air nozzle so, I rinse from the back forward. Works Well. :)
If you're not the lead dog. The view never changes and it always smells like crap!

#9 wheatonFJR

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Posted 18 April 2012 - 05:51 AM

Damn, LAF, if you ain't the worry'n'est (?) poster on this forum.

Just think how dirty the underside of your fenders are!!

RIDE MORE...STRESS LESS!!!


If I'm buying a used bike... I'm buying from LAF before Radio's.

It will be clean.

#10 mcatrophy

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Posted 18 April 2012 - 05:52 AM

I suggest a Fenda Extenda

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It won't stop crud build-up altogether, but it reduces it considerably.

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#11 SkooterG

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Posted 18 April 2012 - 11:49 AM

Damn, LAF, if you ain't the worry'n'est (?) poster on this forum.

Just think how dirty the underside of your fenders are!!

RIDE MORE...STRESS LESS!!!


Gotta go with my Florida Flat-land Freak of a moto-brother on this one.

Let's see.........

226,000 miles on one FJR - never cleaned the radiator.

98,000 on the current FJR - have never cleaned the radiator.

I guess I am missing out all kinds of maintenance I could be stressing out about. Poor me. I mean, I have no freaking clue how much the temperature or pressure of my tires rise once I start riding......

Oh, the horror!

:)

But Wheatie does have a point. I've got lots of forum peeps on my 'Do NOT buy from' list. LAF is now on my 'Definitely DO buy from' list. ;)
IBA #327........................ Darksider #52

FJR#1 - The 'Dirty Ol Whore' - 2004 non-abs - RIP @ 226,400 - Gone, but not forgotton.
FJR#2 - The 'Hula Girl' - 2004 ABS - 143k
FJR#3 - The 'Virgin' - 2004 ABS - 4344 miles, a garage queen - Brundog would be proud!
FJR#4 - The Oregon FJR - 2004 ABS - 65k
FJR#5 - The Bastard POS Gen II - 2009A - 42k

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#12 BwanaDik

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Posted 18 April 2012 - 12:22 PM

Let's see.........

226,000 miles on one FJR - never cleaned the radiator.

98,000 on the current FJR - have never cleaned the radiator.

I guess I am missing out all kinds of maintenance I could be stressing out about. Poor me.

But Wheatie does have a point. I've got lots of forum peeps on my 'Do NOT buy from' list. LAF is now on my 'Definitely DO buy from' list. ;)


You are DEFINITELY on the Do Not Buy From list. "Dirty ol' whore" is probably correct. I guess that's what the advantage is of never riding in the rain, always on a nice day, on smooth paved asphalt roads, in a bug free enviroment like AZ. :P

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#13 SkooterG

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Posted 18 April 2012 - 12:32 PM


Let's see.........

226,000 miles on one FJR - never cleaned the radiator.

98,000 on the current FJR - have never cleaned the radiator.

I guess I am missing out all kinds of maintenance I could be stressing out about. Poor me.

But Wheatie does have a point. I've got lots of forum peeps on my 'Do NOT buy from' list. LAF is now on my 'Definitely DO buy from' list. ;)


You are DEFINITELY on the Do Not Buy From list. "Dirty ol' whore" is probably correct


Hey! Why do think I rode that poor girl into the ground? What sane person with a just a few working brain cells would have bought that FJR from me?

Sure do miss her though. The current one is just not the same...... :(
IBA #327........................ Darksider #52

FJR#1 - The 'Dirty Ol Whore' - 2004 non-abs - RIP @ 226,400 - Gone, but not forgotton.
FJR#2 - The 'Hula Girl' - 2004 ABS - 143k
FJR#3 - The 'Virgin' - 2004 ABS - 4344 miles, a garage queen - Brundog would be proud!
FJR#4 - The Oregon FJR - 2004 ABS - 65k
FJR#5 - The Bastard POS Gen II - 2009A - 42k

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#14 wheatonFJR

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Posted 18 April 2012 - 12:48 PM

...The current one is just not the same...... :(


I'm sorry you're not liking your Gen 1.

I did like my first better, although she was fairly stock...and non-ABS.

I did go on a ride this weekend out to Galena that reminded me of why I like this bike so much. On those lonely curvy roads far from home is where she shines.

#15 RadioHowie

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Posted 18 April 2012 - 01:11 PM

But Wheatie does have a point. I've got lots of forum peeps on my 'Do NOT buy from' list. LAF is now on my 'Definitely DO buy from' list. ;)


Dude, you ain't buyin' a Gen II from NO ONE, no matter how clean it is! :P :P
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#16 SkooterG

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Posted 18 April 2012 - 01:22 PM


But Wheatie does have a point. I've got lots of forum peeps on my 'Do NOT buy from' list. LAF is now on my 'Definitely DO buy from' list. ;)


Dude, you ain't buyin' a Gen II from NO ONE, no matter how clean it is! :P :P


Good point! Sacrilege! *shudder*

The thought of owning a Gen II gives me chills....... and diarrhea. :P
IBA #327........................ Darksider #52

FJR#1 - The 'Dirty Ol Whore' - 2004 non-abs - RIP @ 226,400 - Gone, but not forgotton.
FJR#2 - The 'Hula Girl' - 2004 ABS - 143k
FJR#3 - The 'Virgin' - 2004 ABS - 4344 miles, a garage queen - Brundog would be proud!
FJR#4 - The Oregon FJR - 2004 ABS - 65k
FJR#5 - The Bastard POS Gen II - 2009A - 42k

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#17 beemerdons

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Posted 18 April 2012 - 01:43 PM



But Wheatie does have a point. I've got lots of forum peeps on my 'Do NOT buy from' list. LAF is now on my 'Definitely DO buy from' list. ;)


Dude, you ain't buyin' a Gen II from NO ONE, no matter how clean it is! :P :P


Good point! Sacrilege! *shudder*

The thought of owning a Gen II gives me chills....... and diarrhea. :P


+1, Gunny; the very idea of owning a Gen II gave me a full on heave!

#18 majicmaker

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Posted 18 April 2012 - 01:50 PM


Damn, LAF, if you ain't the worry'n'est (?) poster on this forum.

Just think how dirty the underside of your fenders are!!

RIDE MORE...STRESS LESS!!!


If I'm buying a used bike... I'm buying from LAF before Radio's.

It will be clean.

You'd be making an excellent choice Wheaton. I have No further comment on the issue of unwashed bikes. Don't wanna start a Food Fight! :unsure:
If you're not the lead dog. The view never changes and it always smells like crap!

#19 LAF

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Posted 18 April 2012 - 02:47 PM

I suggest a Fenda Extenda

(Click on image for larger view)
Posted Image


It won't stop crud build-up altogether, but it reduces it considerably.

Been on all winter.

#20 LAF

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Posted 18 April 2012 - 03:10 PM

Well did not think to raise a wash or not wash a bike issue. Also not telling anyone that wants to reach 1 gillion miles, that to do it you must wash your radiator.

What I am saying is for the ten or 15 mins it takes to aim between the frame rails, over top the coolant overflow bottle and any other hole you can see radiator, is worth it while you have the hose out.

And I will do it the first time I need to take plastic off again for any reason, and I will get that hydrogen peroxide and spay the shit out of it, and then spray it from the back of the radiator.

I don't know if you guys know what cinders, and salt, and anti skid, and sand is? It is what PA uses to treat roads in the Winter for ice!

Hey, just sharing stuff that seems very easy, and a no brainer to maintaining this bike as I see it.

And I don't plan on selling this crap Gen II anyway, how would I sleep knowing how abused and dirty it is, a Gen II, then to sell it to someone on this forum would be so unfair of me :glare:

And just to show I am not viscous, I hope some of you guys temp go up by 2 bars, and never drops again............. :P