Hi lads, on my recent wee trip noticed sitting in traffic, etc engine temp creeeping up just a little too far
for my liking....dont remember hearing the fans comming on for a little while ...mmmmmm
anyone know of any common issues on the 900 ?
cheers ajfergie..
Poss Cooling Fan Issues ?
Started by
ajfergie
, Apr 12 2011 09:11 pm
65 replies to this topic
#1
ajfergie
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Posted 12 April 2011 - 09:11 pm
#2
JBX
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Posted 12 April 2011 - 09:40 pm
Check your fan is working ok using the Diag Mode on the dash.
#3
LewisBlackburn
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Posted 12 April 2011 - 11:46 pm
any way of checking a fan on an 850?
Lew
Lew
#4
LDRider
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Posted 13 April 2011 - 01:29 am
Lew, not being a smart ass although might sound like it.
Start bike, let it idle, ideally on a hot day. Wait - as temp creeps up fan should kick on. Unfortunately on MK1s the frickin equilibrium temp in slow traffic on a hot day is essentially at red line (immediately below). Has been discussed here before - I know because I asked myself while back. Just below red line, fan blowing, is "working as intended" for MK1.
Start bike, let it idle, ideally on a hot day. Wait - as temp creeps up fan should kick on. Unfortunately on MK1s the frickin equilibrium temp in slow traffic on a hot day is essentially at red line (immediately below). Has been discussed here before - I know because I asked myself while back. Just below red line, fan blowing, is "working as intended" for MK1.
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#5
TimH
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Posted 13 April 2011 - 07:43 am
QUOTE(ajfergie @ Wed 13th Apr 2011, 07:11 AM) <{POST_SNAPBACK}>
Hi lads, on my recent wee trip noticed sitting in traffic, etc engine temp creeeping up just a little too far
for my liking....dont remember hearing the fans comming on for a little while ...mmmmmm
anyone know of any common issues on the 900 ?
cheers ajfergie..
for my liking....dont remember hearing the fans comming on for a little while ...mmmmmm
anyone know of any common issues on the 900 ?
cheers ajfergie..
My 2002 niner gets uncomfortably close to the red before fan comes on, checked in diags, all ok. Seems to be normal.
http://www.carpe-tdm...?showtopic=8103
#6
Studley Ramrod
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Posted 13 April 2011 - 08:28 am
Just a thought, I were wonderin' if some noo coolant might help ? The old stuff moighta losted it's efficacyness
Mk2a 2000 in Silver. Top end Refurb @ 41100 miles, Scottoiler, Renthal Road High Bars, Up & Back Bar Risers, Bellypan, DL650 Handguards, Capt. Picard Bar Ends, House of Henty SS Wheel spacers, New Seat Cover Fitted. 58 MPG !! Now owned by chrisbee ! Studley's mk2a Bloggerydoodaah ! Photos of my first MK1 Photos of my MK2a TPLQHCSRSFC No. 1 Fan
#7
LewisBlackburn
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Posted 13 April 2011 - 08:41 am
QUOTE(LDRider @ Wed 13th Apr 2011, 02:29 AM) <{POST_SNAPBACK}>
Lew, not being a smart ass although might sound like it.
Start bike, let it idle, ideally on a hot day. Wait - as temp creeps up fan should kick on. Unfortunately on MK1s the frickin equilibrium temp in slow traffic on a hot day is essentially at red line (immediately below). Has been discussed here before - I know because I asked myself while back. Just below red line, fan blowing, is "working as intended" for MK1.
Start bike, let it idle, ideally on a hot day. Wait - as temp creeps up fan should kick on. Unfortunately on MK1s the frickin equilibrium temp in slow traffic on a hot day is essentially at red line (immediately below). Has been discussed here before - I know because I asked myself while back. Just below red line, fan blowing, is "working as intended" for MK1.
Its only ever kicked in once which was when it was in the garage and the bike was running.
Now ever since it did that the fan hasn't come on, Weather its because it hasn't got that hot again or the fans not working im not too sure.
If it were to go into the red and stay there for a few minutes would it do any perm damage?
I mainly do motorway miles so it never creeps up on a commute, but summers around the corner and its probably best to make sure its working before hand.
Lew
#8
Studley Ramrod
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Posted 13 April 2011 - 08:47 am
Lew, I'd check the coolant level in the rad as you might have blown some out into the bottle. Plus, we, errrrr, lost a drop or 2 when we took yer carbs off.
A few minutes in the red could blow yer heed gasket, and prolly more !
A few minutes in the red could blow yer heed gasket, and prolly more !
Edited by Studley Ramrod, 13 April 2011 - 08:49 am.
Mk2a 2000 in Silver. Top end Refurb @ 41100 miles, Scottoiler, Renthal Road High Bars, Up & Back Bar Risers, Bellypan, DL650 Handguards, Capt. Picard Bar Ends, House of Henty SS Wheel spacers, New Seat Cover Fitted. 58 MPG !! Now owned by chrisbee ! Studley's mk2a Bloggerydoodaah ! Photos of my first MK1 Photos of my MK2a TPLQHCSRSFC No. 1 Fan
#9
dmmsta
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Posted 13 April 2011 - 09:26 am
My 9er's fan doesn't come on until it's almost at the top of the temp gauge.
Would appear that is BAU??
However, if yours isn't coming on at all...there could be alternative problems.
Would appear that is BAU??
However, if yours isn't coming on at all...there could be alternative problems.
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#10
LDRider
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Posted 13 April 2011 - 11:56 am
Well, I've personally considered two mods, but done neither (bought a GSA and got distracted riding that).
1. Bigger fan - seems complicated, but good idea.
2. Run alternate power with switch so there's and OR condition on fan power. If temp too high OR my (manual) fan switch is on, then fan is powered. This should be doable, but I haven't drawn up the schematic. I like this idea as you could just manually run the fan w/e you want, and for me that's a good part of the summer in traffic.
1. Bigger fan - seems complicated, but good idea.
2. Run alternate power with switch so there's and OR condition on fan power. If temp too high OR my (manual) fan switch is on, then fan is powered. This should be doable, but I haven't drawn up the schematic. I like this idea as you could just manually run the fan w/e you want, and for me that's a good part of the summer in traffic.
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#11
Studley Ramrod
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Posted 13 April 2011 - 12:26 pm
Yamaha solved that problem with the mk2a LD, they removed the temp gauge
Mk2a 2000 in Silver. Top end Refurb @ 41100 miles, Scottoiler, Renthal Road High Bars, Up & Back Bar Risers, Bellypan, DL650 Handguards, Capt. Picard Bar Ends, House of Henty SS Wheel spacers, New Seat Cover Fitted. 58 MPG !! Now owned by chrisbee ! Studley's mk2a Bloggerydoodaah ! Photos of my first MK1 Photos of my MK2a TPLQHCSRSFC No. 1 Fan
#12
oneal
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Posted 13 April 2011 - 01:12 pm
The other opsion you have is to run evans npg waterless coolant, we have run this in our race bikes for about a year now with no heat related problem its also good for temps down to -40.
Its expensive at £65.00 a gallon but is got a life of half a million miles and can be reused. Have a look at www.racestuff.co.uk This will also be put in my tdm when i get home.
Its expensive at £65.00 a gallon but is got a life of half a million miles and can be reused. Have a look at www.racestuff.co.uk This will also be put in my tdm when i get home.
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#13
LewisBlackburn
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Posted 13 April 2011 - 01:56 pm
QUOTE(oneal @ Wed 13th Apr 2011, 02:12 PM) <{POST_SNAPBACK}>
The other opsion you have is to run evans npg waterless coolant, we have run this in our race bikes for about a year now with no heat related problem its also good for temps down to -40.
Its expensive at £65.00 a gallon but is got a life of half a million miles and can be reused. Have a look at www.racestuff.co.uk This will also be put in my tdm when i get home.
Its expensive at £65.00 a gallon but is got a life of half a million miles and can be reused. Have a look at www.racestuff.co.uk This will also be put in my tdm when i get home.
Costly if you have a leak
#14
LewisBlackburn
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Posted 13 April 2011 - 02:01 pm
QUOTE(Studley Ramrod @ Wed 13th Apr 2011, 09:47 AM) <{POST_SNAPBACK}>
Lew, I'd check the coolant level in the rad as you might have blown some out into the bottle. Plus, we, errrrr, lost a drop or 2 when we took yer carbs off.
A few minutes in the red could blow yer heed gasket, and prolly more !
A few minutes in the red could blow yer heed gasket, and prolly more !
Topped up the coolant recently, but do you have to bleed it like a central heating system?
Well i guess I'll be testing it a different way then
QUOTE(dmmsta @ Wed 13th Apr 2011, 10:26 AM) <{POST_SNAPBACK}>
My 9er's fan doesn't come on until it's almost at the top of the temp gauge.
Would appear that is BAU??
However, if yours isn't coming on at all...there could be alternative problems.
Would appear that is BAU??
However, if yours isn't coming on at all...there could be alternative problems.
Its not that its not coming on at all. It's the fact I don't know if it would if it were to be needed some day.
I rekon if I put a 12v current through the fan i can see if that's working and then I'd have to figure out a way to test the thermostat switch
Lew
#15
ajfergie
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Posted 17 April 2011 - 03:02 pm
Hi Lads,
thanks for all the advice ....
had the bike running on idle today and the fans do actually cut in but at a realy high
temp....maybee thats just the way they are ?
cheers ajfergie..
thanks for all the advice ....
had the bike running on idle today and the fans do actually cut in but at a realy high
temp....maybee thats just the way they are ?
cheers ajfergie..
#16
LDRider
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Posted 17 April 2011 - 03:26 pm
Alf - don't know about other models, but that is the way they are on the MK1s. It's kind of maddening.
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#17
leehenty
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Posted 17 April 2011 - 10:05 pm
that gauge looks about right my niner does the same.
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#18
Nog
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Posted 18 April 2011 - 10:28 am
Yep, thats normal, mine does it and in fact most bikes I've had the fan cuts in at the higher end of the gauge.
You're well out of the red zone so I wouldn't worry.
You're well out of the red zone so I wouldn't worry.
#19
JBX
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Posted 18 April 2011 - 02:59 pm
QUOTE(leehenty @ Mon 18th Apr 2011, 12:05 AM) <{POST_SNAPBACK}>
that gauge looks about right my niner does the same.
Mine too.
Only when I ride in town.
#20
Ruairi
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Posted 18 April 2011 - 03:52 pm
QUOTE(LewisBlackburn @ Wed 13th Apr 2011, 03:01 PM) <{POST_SNAPBACK}>
Topped up the coolant recently, but do you have to bleed it like a central heating system?
Well i guess I'll be testing it a different way then
Its not that its not coming on at all. It's the fact I don't know if it would if it were to be needed some day.
I rekon if I put a 12v current through the fan i can see if that's working and then I'd have to figure out a way to test the thermostat switch
Lew
Well i guess I'll be testing it a different way then
Its not that its not coming on at all. It's the fact I don't know if it would if it were to be needed some day.
I rekon if I put a 12v current through the fan i can see if that's working and then I'd have to figure out a way to test the thermostat switch
Lew
Defo give it 12V to test if fan is working in the first place and if it is you know that your thermo switch is knackered.... like my one is!!
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