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Buell Forum » XBoard » Buell XBoard Archives » Archive through August 18, 2005 » Should the fan always run after turning her off? « Previous Next »

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Skyguy
Posted on Sunday, August 14, 2005 - 03:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Noticed my fan no longer comes on everytime I turn off my XB9R. Is there something I need to replace?

Tahnks Tim
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Shawn_9r
Posted on Sunday, August 14, 2005 - 03:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

On cooler days and shorter runs my fan does not come on.

Shawn
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Stou
Posted on Sunday, August 14, 2005 - 07:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It comes on only when engine is hot. Here's the spec.

Key ON:
------------
Fan ON 428°F
Fan OFF 356°F

Key OFF:
------------
Fan ON 338°F
Fan OFF 302°F
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Prof_stack
Posted on Sunday, August 14, 2005 - 10:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

As the XB breaks in the rear cylinder fan comes on less often. Synthetic oil seems to transfer heat better than non-syn. My XB9S has 8600 mi.

Yesterday I did 50 miles non-stop speeds 30-70 mph and the fan did not come on when I shut down. Temp's were in the 70's. But coming back to the city and traffic the fan did activate when I got home. Its been a couple years since the fan has come on while the motor was running.

Do you think HD will ever put one of these on their air-cooled motors? Perhaps their answer is to have an even larger oil supply.
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Brucelee
Posted on Sunday, August 14, 2005 - 10:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A right side scoop from Trojan will keep this puppy off almost all the time.

Good stuff!
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Skyguy
Posted on Sunday, August 14, 2005 - 06:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ummmm right side scoop. I want one! I have to hold off on doing any expensive mods to my bike for awhile as I have just purchased a hot air balloon (working on commercial license).

I try to keep $1000 dollars in the bike account for emergency repairs but recently burned that up when I bent both rims, torched a rear rotor and snapped a main drive belt.

I am sure my up and comming visit to Vista (American Sport Bike) is going to leave me with a really bad case of the "gotta haves".
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Indy_bueller
Posted on Sunday, August 14, 2005 - 06:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Stou: Thanks for posting the temps. Good info.

I personally that Buell will get the hint about the right side scoop and develop a better one.
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Jedwele
Posted on Sunday, August 14, 2005 - 08:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Key ON:
------------
Fan ON 428°F

Holy crap that is hot!
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Frausty12r
Posted on Sunday, August 14, 2005 - 08:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Young padowan,

With heat, comes great ionization.

-Yoda
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Typeone
Posted on Sunday, August 14, 2005 - 08:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

you know, i really liked monitoring the temp of my last bikes engine. i always wondered why my XB doesn't have a temp guage or two. whats the deal?

my last bike was a Honda F4i, thing was like clockwork, temps always the same, fan on at same temp every time, etc. just for the sake of gathering data i wish i could see my XBs running temps. i'm surprised we dont see more custom dash temp guages.
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Bonesbuell
Posted on Monday, August 15, 2005 - 12:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

After changing to Synthetics, my fan rarely comes on. When it does, only for a minute or two.
Come to think of it, what good does a fan do if only runs for 1-2 minutes after key-off????
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M1combat
Posted on Monday, August 15, 2005 - 12:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It cools the rear head so the oil doesn't bake. Take a valve cover off of a car sometime... See all that sludge in there? You don't have any in your XB (or at least mine doesn't at 16K miles) : ).


BTW Blake... "Vlave" shows up as a word that's spelled right...
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Dagwood
Posted on Monday, August 15, 2005 - 12:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

M1, can you use that in a sentence, please?

Perhaps, Vlave the Impaler...
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M1combat
Posted on Monday, August 15, 2005 - 01:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

LOL : )... I had typed vlave instead of valve and caught it on my proof read : ). It wasn't hi-lit (is that a word?)indicating that it was mis-spelled. MS Word seems to think it's mis-spelled, but I didn't google it.
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Tq_freak
Posted on Monday, August 15, 2005 - 11:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I think the correct term is hi-lighted, but me failed english two
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Frausty_void
Posted on Monday, August 15, 2005 - 11:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

BAD SPEELERS OF THE WOLRD UNTIE!!!!!
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Doughnut
Posted on Monday, August 15, 2005 - 11:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Spell check is down I thnk.
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Dana P.
Posted on Tuesday, August 16, 2005 - 12:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Actually M1 the fan was designed to aid in pulling the hot air off the rear cylinder to help with after burn.
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M1combat
Posted on Tuesday, August 16, 2005 - 01:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

"Actually M1 the fan was designed to aid in pulling the hot air off the rear cylinder to help with after burn."

Isn't that what I said? Oh wait... after reading what I wrote I forgot to mention the "after you shut it off" part... Oh well : ). Thanks for the correction. In any case, it prevents the buildup of burnt oil in the head.
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Unibear12r
Posted on Tuesday, August 16, 2005 - 02:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Doesn't make sense to just draft the back head.
I think the angle of the fan and the small right scoop (a compromise?) alows some cooling of the front head when stopped also. Maybe, IMHO.
By no means an expert here, but I'd love to see what airflow/temperature testing Buell did on the XBs.
Someday in Fuell?
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