Question about 1988 Suzuki GSX 1100 F (Katana)

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Oil tempature Does anyone know the expected oil temp our bikes should be running at? I'm looking at fitting an oil temp gauge and just need to get the right range. I'm running a 91 1100 with a few mods

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My race bike with 12.5:1 compression and a 5 degree advancer runs between 220-240 F during a race, and I have an extra oil cooler under the tail. I would not let it get over 250 F

Posted on Nov 20, 2008

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Honda Cbr motorcycle stalls when between 75% to 90% on temp gauge

I don't know if the actual temperature gauge has anything to do with it. I would suggest checking the positive cable or ground cable going to the starter. If there is a small break in the cable it is possible to separate when it gets hot. I don't believe there is a cut out switch for the temperature gauge. I would start checking the power wires anyway. That's where I would look first.

Dec 02, 2013 | 2006 Honda CBR 600 RR

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The tempature gage when I'm stopped shows that its overheating,,why is it overheating?

Because the motor is not running,the water has stopped flowing through the system.The heat that has built up in the motor once you have stopped,shows on the temp gauge.If you start the motor,the cooler water that is in the radiator will now flow into the barrells and head of the motor and the temp. will drop.If you sit and run the bike without moving,the same thing may happen.There is no airflow over the radiator.Then the fans kick in..You don't have anything to worry about.You may get a slight water leak from the radiator if it is overfilled,but that will stop once everything is up and running.
Hope this helps

Mar 30, 2011 | 2008 Yamaha YZF-R6

1 Answer

Is there supposed to have alot of heat off the engine even if temp. gauge shows good temp.

Sportsbike engines do run a bit hot at times, depending on how you use them. What exactly are you talking about when you say "a lot of heat off the engine" are you talking about feeling it on your legs when you are riding the bike? Is this a new problem for the bike or has it always been like that?

If the engine really IS hotter than the gauge is showing then there might possibly be a problem with the temperature sensor. Usually this will be screwed into the radiator somewhere with a single wire connected to the plug. If the threads of this plug are dirty or corroded it might give a false reading as the plug needs a good earth for the signal to be correct. Also, if the engine has been run on water only rather than coolant the actual sensor that sits inside the radiator in contact with the water may have some corrosion on it and require cleaning.

Another possibility is that the thermostat is not working and blocking the flow of water/coolant in the system. This might cause hot water to become trapped in the engine and the cool water in the radiator is not able to circulate into the engine.

Finally, one other thing that is a common cause of bike engines running hot is a lean condition where they are not getting enough fuel for the air being taken into the engine. This is a very common thing to happen when the exhaust is replaced with a much more open pipe without doing any rejetting. However in a normal situation you would expect to see the temp gauge running slightly higher if this was the problem.

If it's any comfort I've seen stunt guys try and blow up a ZX9 deliberately and they couldn't do it. Jammed the throttle full open for about 15 minutes, smashed the radiator and let all the water out, then finally kicked it over and smashed the engine cases and half the oil ran out. Still wouldn't stop running. They made those things pretty tough.

Feb 22, 2011 | 1997 kawasaki ZX-9R Ninja

1 Answer

I have a gilera runner sp125 and it keeps over heating ive change the watherpump the barrel and head all the gaskets oil pump thermostat and it keeps running hot the temp gauge keep flying up and ive ran...

just check that the gear that fits on the end of the water pump shaft
and also drives the oil pump is turning the water pump shaft and not
just spinning on the end of it

Jun 07, 2010 | 2005 Gilera Runner VX 125

1 Answer

Crankcase breather

If the bike sits for a while, and then you run it and shut it off, it will drip.. run it more often.

Apr 26, 2010 | 2000 Harley Davidson FLSTC Heritage...

1 Answer

Newbie ???'s

As a fellow motorcyclist let me say welcome, and here are some tips for you. Get a Clymer's or Haynes manual for your bike. The diagrams and instructions will show you how to do simple maintenance yourself, saving you money and teaching you a lot about your bike. Second, don't worry about performance upgrades. Your motorcycle even if completely stock will out accelerate any four wheeler you have ever driven and has far more capability than you do as a new rider. Just ride it, get used to it and figure out what kind of riding you enjoy. A few months or a year from now if you get on it every time and think, "Gee, I sure wish I had another 30 hp," then you are probably ready to get a faster bike. Battery voltmeter to monitor the charging system is a cheap option, as is oil temp gauge but you most likely will not need either one. Don't worry about Stage I tuning, the bike will run fine with stock or stage one and be more driveable stock. Just ride it and find some riding buddies, bike nights in your area, join the american motorcyclist association or the harley owners group. Other riders are a great resource.

Feb 15, 2009 | 2000 Harley Davidson FXSTB Night Train

2 Answers

Wireing tempature gauge

Outside temp sensor located at inner fairing, it is tied to left fairing frame just above cigarette lighter.
On OEM parts,
Air Temp Gauge pin#1 = Orange +12 Volt
Air Temp Gauge pin#2 = Black - ground
Air Temp Gauge pin#3 = Air Temp sensor pin#1

Dec 27, 2008 | 2005 Harley Davidson FLHTCUI Electra Glide...

2 Answers

Oil pressure switch again

after about a month this new switch shat its self and spewed oil every wherefortunately it was in my drive way and not on a runthis switch was then replaced with another from Stein Dinse and now this one appears to be on the way out ie slow oil leak from switch, I was wondering if anyone has had experiance with these switches failing and to warn others of these switches, it could result in an engine seizure or was dropping your bike from oil on the back wheel,I got completely fed up with the oil pressure switches. Wash the bike and they go out...ride in a hard rain and they stop working, maybe they'll start spewing oil all over the place. Good grief, I was changing them out more frequently than my tail light bulb. ,,,

Nov 10, 2008 | 2002 Moto Guzzi V 11 Le Mans

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