SuzukiSavage.com - How hot is too hot??

AZSGT

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How hot is too hot??
08/29/11 at 13:43:39

Obviously knowing our bikes are air cooled, they do run a bit hot. and we gauge that heat off the ambient air temperature outside when we are riding.

But here in the oven of AZ the ambient temp is sooooo high, is it ever bad for our bikes? Like maybe the bike can't dissipate heat well en ough? Is there ever a time when the outside temp is too much for Thumper????

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verslagen1

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Re: How hot is too hot??
Reply #1 - 08/29/11 at 13:54:30

Naturally, you're in the best place to find out.
Get yourself an oil temp gage, when it reaches 300 °F, that's too hot.

Now for my own experience, blazing down the superslab at "65"... getting off the slab and stopping is a no no. You'll burn the inside of your calves in a few seconds. Keep rolling at all costs. I wouldn't even consider shutting her off. Heat soak will surely burn some oil in isolated places.

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Oldfeller--FSO

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Re: How hot is too hot??
Reply #2 - 08/29/11 at 13:55:34

If you use a synthetic oil such as T-6, you can cook the insides of your legs and the bike could care less ....

Dino oil, not so much.

Still -- if you are moving it would be hard to kill a Savage from overheating.

The only record we have of any heat injury from a normally jetted not overly leaned out engine was a strongly blued pipe and that was on an idling machine left for over a half hour with no air flow.

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Oldfeller--FSO Serious Thumper ModSquad Offline Hobby is now "concentrated neuropany" Posts: 12673 Fayetteville, NC Gender:	Re: How hot is too hot?? Reply #3 - 08/29/11 at 13:57:17 Verslagen, wasn't some of your oil test data from a stop on the slab? Dig it up and post it again -- it applies doesn't it?
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: How hot is too hot?? Reply #4 - 08/29/11 at 14:04:30 It's getting to be summer again, 100 plus and I don't mean mph. I'll have to get out the IR temp gage again. gotta do it so I have a base line for the cooler anyway.
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DrunkenDwarf Senior Member Offline Morning Zombie Posts: 325 Seattle, WA Gender:	Re: How hot is too hot?? Reply #5 - 08/29/11 at 14:05:35 I have an tangential question: How fast do we have to be moving to prevent too hot? I do not think that going 5 or 10 mph in rush hour traffic is significantly better than idling. (my recently golden pipe tells me so) -D. Dwarf
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: How hot is too hot?? Reply #6 - 08/29/11 at 15:27:12 DrunkenDwarf wrote on 08/29/11 at 14:05:35: I have an tangential question: How fast do we have to be moving to prevent too hot? I do not think that going 5 or 10 mph in rush hour traffic is significantly better than idling. (my recently golden pipe tells me so) -D. Dwarf I've never gone that slow to find out
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Routy

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Re: How hot is too hot??
Reply #7 - 08/29/11 at 16:03:20

I have never been convinced that idling produces any hotter combustion chamber temps than any moving speed. Sure, the pipe gets hotter because of hardly any air moving around it. But at idle, the engine is hardly working,...... there is very little fire taking place, and the fire is what makes the heat. I suppose the oil temp under both conditions could tell us something.

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Rich
'07 S40 Blvd stocker, except drilled OEM exhaust and white spacer mod...1/2 (.055)

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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28660 Tucson Az Gender:	Re: How hot is too hot?? Reply #8 - 08/29/11 at 16:27:30 If it's too hot for me,... then it's too hot for my bike... Usually, in traffic,.. you get an overheat warning,... the valves will get louder, and the bike will feel sluggish... Then, it's time to stop for a refreshing beverage... ... Routy,... the bike is air-cooled... no air movement, no cooling... You're such a skeptic... ...
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Routy Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2280 Winston Oregon Gender:	Re: How hot is too hot?? Reply #9 - 08/29/11 at 19:23:36 the bike is air-cooled... no air movement, --------------------------------------------------- There is air movement. Hot air rises,....remember
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: How hot is too hot?? Reply #10 - 08/29/11 at 19:50:26 Routy wrote on 08/29/11 at 19:23:36: the bike is air-cooled... no air movement, --------------------------------------------------- There is air movement. Hot air rises,....remember Convection cooling is not near as good as forced air cooling. Don't believe me? light her up and let her sit. record the temps every 5 minutes.
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Starlifter Serious Thumper Offline It only snows seven months of the year here. Posts: 3746 Eastern Michigan Gender:	Re: How hot is too hot?? Reply #11 - 08/29/11 at 20:56:56 Thank God for the north country, 46 degrees last night, 55 degrees when I went fot a 160 mile ride this morning...front brake pads are shot now after the last 6000 miles. This job is way over due...hope I haven't run the pads down to the rivits. ...always something.
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Built2Last

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Re: How hot is too hot??
Reply #12 - 08/30/11 at 03:44:54

Too hot to handle, too cold to hold, they called the Ghostbusters now they're in control.... sorry I just woke up and remembered the Ghostbusters 2 theme song.. I'm worthless and make no sense... but I hope this helps. Cheesy

Oh, I do have 1 thing to add since we're on the subject of temp... do you guys drive or recommend driving your Savage with snow on the ground? And I mean in the winter, not actually through the snow... with 10w40 oil Tongue

I live in VA and when I got my bike with 4k miles on it the header was so blue it was purple.. and we have 4 seasons here.. kinda concerned but everyone says that's normal.

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Routy

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Re: How hot is too hot??
Reply #13 - 08/30/11 at 04:52:18

verslagen1 wrote on 08/29/11 at 19:50:26:

Routy wrote on 08/29/11 at 19:23:36:

the bike is air-cooled... no air movement,
---------------------------------------------------
There is air movement. Hot air rises,....remember Wink

Convection cooling is not near as good as forced air cooling.

Don't believe me? light her up and let her sit. record the temps every 5 minutes.

But how do we compare the "idling" combustion chamber temps w/ the "rolling" combustion chamber temps ? I will almost guarantee you that idling CC temps will never get any hotter than rolling on the slab while the engine is working hard. It will always feel hotter at idle because we are feeling the non moving air, which also makes for blue pipes, but where there is no fire (at idle) there is no heat,....so to speak of CC temps Shocked

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Rich
'07 S40 Blvd stocker, except drilled OEM exhaust and white spacer mod...1/2 (.055)

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Routy

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Re: How hot is too hot??
Reply #14 - 08/30/11 at 05:10:57

[/quote]
Convection cooling is not near as good as forced air cooling.
Don't believe me? light her up and let her sit. record the temps every 5 minutes.
-------------------------------------------------------------------------
Ok, but as soon as the heat produced equals the heat dissapation, the temp will max out right ? We think of it as no moving air,.....as in no heat dissapation, but in fact there is a lot of heat being dissapated by the rising air.
Anyone w/ a "pyrometer" (is it?) on their bike ? That would answer my question.

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Rich
'07 S40 Blvd stocker, except drilled OEM exhaust and white spacer mod...1/2 (.055)

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