Does the Tourer lean toward the hot side?

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Phaedrus	Does the Tourer lean toward the hot side?		Lead	[-]
HSATF Tail Gunner Posts: 97 09/03/07 10:02 AM	Tags : None My Tourer runs hotter than any of the two other water cooled bike I've owned. Does the Tourer run on the hot side normally? I am just judging by the amount of heat the engine radiates at the end of a ride. I have checked the reserve tank and it fluid up to the upper mark. I am concerned that I should remove the radiator cap and make sure it is filled up to the neck. There is something I never understood about the reserve tank: If it is at the upper level for fluid, does that necessarily mean the coolant system is full? David 2000 Honda Shadow ACE Tourer - Black and Chrome (high contrast for high performance) 2002 Yamaha Royal Star Venture - Black and Chrome The possibility of the perfect picture lies around evey corner ... You just have to see it.
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bamaTrider		#1	[url]	[-]
HSATF 1st Officer Posts: 3993 09/03/07 2:00 PM	The reservoir works on a vacuum much like the auto's do. The upper mark is for warm engine level and the lower for cool engine level. The engine will push coolant into the reservoir when it expands from the heat, and then draw from it when it cools down again. The only way for it to fail is if there is a leak in the system. It never hurts to check the level at the filler neck to be sure. Sometimes when the system is serviced, or there is a vacuum leak, air can get into the system and it will end up at the highest point....the filler neck area. Make sure your fan is coming on regularly when stopped or in slow traffic. If the fan is cycling on/off regularly and you are not boiling coolant out, then it's likely not overheating. Stan "We are different - yet we are the same" 2004 GL1800 Goldwing (Titanium) 1999 Ace Tourer (Silver over Black)
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Fredrider		#2	[url]	[-]
Posts: 6282 09/04/07 5:33 AM	Phaedrus, Not to contradict what Stan accurately stated, I changed the coolant in my T yesterday. If you are filling up the whole system, you fill the filler neck up to the top first than fill the overflow to between the two lines on the reserve reservoir. Then with the caps off you let the engine idle for 2-3 minutes after which you blip the throttle 3-4 times to bleed the system. Fill up more if necessary. Then screw the caps on. No, my T does not run hot. The fan rarely comes on. I do feel heat on my leg opposite the direction the wind is coming from. I had never felt engine heat at all until I started riding with mesh pants a few years ago. Before that when I was wearing solid ballistic nylon riding pants I could not feel the engine heat, ever. Fred
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bamaTrider		#3	[url]	[-]
HSATF 1st Officer Posts: 3993 09/04/07 5:58 AM	What Fred said. To answer your question on my part....I have noticed an increase in heat emitting from the engine lately, but not until the temps started to reach 100+, understandably. The only time it ever boiled coolant out is when I mistakenly overfilled the reservoir on my '86 VT1100C above the top mark and I was stuck in traffic. But once it did it that one time, it never did it again. Stan "We are different - yet we are the same" 2004 GL1800 Goldwing (Titanium) 1999 Ace Tourer (Silver over Black)
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Phaedrus		#4	[url]	[-]
HSATF Tail Gunner Posts: 97 09/09/07 5:37 PM	I am surprised to hear that your fan seldom runs. It is not uncommon for my fan to run when I stop at a light. I wonder if I should replace my thermostat? I have a Fall trip planned and I think I will change the coolant before I go and maybe replace the thermostat. I have a Clymer's manual but any tips I should know about changing the coolant? David 2000 Honda Shadow ACE Tourer - Black and Chrome (high contrast for high performance) 2002 Yamaha Royal Star Venture - Black and Chrome The possibility of the perfect picture lies around evey corner ... You just have to see it.
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ngmcbiker		#5	[url]	[-]
HSATF Tail Gunner Posts: 140 09/10/07 9:47 AM	Don't change the thermostat just because the fan runs. My fan runs all the time when at a light, or in traffic, or am stopped for a while. The fan is supposed to run so that is actually good. Usual problem is that the fan doesn't run. Changing coolant is really pretty easy, just sort of a pain with the way things are put together. The real challenge is to completely fill it and get all the air bubbles out. Also, you don't really need to get all the coolant out, so just pulling the hose on the bottom of the engine or radiator is good enough. The real key here is the coolant you put in. You really need to make sure you use a cooland as discussed elsewhere in these threads. Silicone free is VERY important. I bought honda coolant, it was premixed and not pricey given that I only replace the coolant every couple of years. Have fun.
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alans 98t		#6	[url]	[-]
HSATF Road Captain Posts: 377 11/18/07 7:54 PM Second Officer	I have heard something about air pockets in the coolant and letting the bike run with the cap off the filler to make sure the air bleeds out. As for heat, my T ran hotter after changing to synthetic oil and a couple others that responded theirs did also. Don't know what that means but when I switched back to Honda oil the fan came on less.
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Marpesia2		#7	[url]	[-]
HSATF Tail Gunner Posts: 62 06/09/08 1:43 AM	I definitely notice the heat off my T - especially in the cold, cold rains of winter. It can be a real life-saver on those cold rides. What I notice, however, after switching to synthetic was that my cooling fan was more prone to coming on while I was physically feeling less heat radiating directly off of the engine itself. My thought was that the synthetic oil was just conducting the heat to the coolant more efficiently, raising coolant temperatures while lowering engine block temperatures. I don't actually know anything about the scientific differences in the thermal properties of regular vs. synthetic oils that might confirm or exclude this theory, but just a guess inspired by observations.
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Joe Bogey		#8	[url]	[-]
HSATF Member Posts: 47 07/01/08 9:56 PM	I run synthetic oil and my fan kicks in quite often when in heavy traffic or when just idling along. I agree, I'd worry more if I didn't hear it. But then I have a VLX and a 750 Ace that rarely ever kick on.
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Does the Tourer lean toward the hot side?

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