Reservoir Runneth Over - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 04-06-2017, 01:31 AM Thread Starter
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Reservoir Runneth Over

Been happy with my "new" used bike, put somewhere close to 700 miles on it since I got it in February. However, there are a couple of quirks with it I thought I would mention. They are probably harmless, but what the heck...

First is the coolant in the reservoir. On the nice warm days the bike gets up to temperature, and I pull up to a stoplight and I smell hot coolant. Temperature gauge shows a little below midpoint and fan is running. I'll pull onto the highway and gauge goes cooler as expected, about quarter point. I'll pull off the road and put on my jacket (late afternoons are still a bit cool here in CO), and I notice a little splatter/spillage from the reservoir tank. Open tank and note coolant is about an inch or so from the top. I get home, let the bike cool a few hours, and note the coolant just a hair above the high line. Note the splatter/spillage a couple more times, a little less each time, just on the warm days when I've spent some time on the highway.

So...I think the dealer might have overfilled the coolant tank a bit when they prepped the bike for me to take home. No obvious signs of overheating...fan cycles on/off fine, temperature never goes above midpoint. I think it's just excess from the tank getting pushed out.

Second is a gasoline smell when parking the hot bike in the garage. Now, I don't specifically recall having the fuel smell on my first Vulcan years ago, and I parked it in the garage as well then. But this particular bike is clearly on the stinky side, so I was curious if this is a normal occurrence for you all or the foretelling of some obnoxious repair coming up.

Bike has 11,000 miles on it now. I'll be putting new Shinko 777s on it shortly, and yes, I'll be buttering up those splines as well!

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post #2 of 9 (permalink) Old 04-06-2017, 06:04 PM
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As to the coolant issue, I can't speak about. Mine hasn't done that. In as far as the gas smell in the garage, mine does same thing. I can detect no obvious "wrongs" with it. I don't really worry about it.

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post #3 of 9 (permalink) Old 04-06-2017, 08:09 PM
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My bike has the gas smell as well. I have newly rebuilt carbs and no leaks so I also suspect this is normal. You are likely smelling the vent from the gas tank. As for the coolant tank, it sounds to me as it has been a bit overfilled. I run mine about a half inch below the high line when cold and have had no issues. Make sure you are checking the level with the bike on the center stand.
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post #4 of 9 (permalink) Old 04-07-2017, 02:25 AM Thread Starter
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Thanks, guys, for the reassurance. Yes, was measuring the coolant on the center stand. I think I'll siphon out a bit of the coolant to take it below the high line.


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post #5 of 9 (permalink) Old 04-07-2017, 03:08 AM
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Quote:
Originally Posted by CKGonzo View Post
Thanks, guys, for the reassurance. Yes, was measuring the coolant on the center stand. I think I'll siphon out a bit of the coolant to take it below the high line.


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post #6 of 9 (permalink) Old 04-07-2017, 11:32 AM Thread Starter
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Noted, Doc. Sounds like there's got to be a story behind that comment!


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post #7 of 9 (permalink) Old 04-07-2017, 12:10 PM
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Yep, just too much coolant in the tank.

Gas smell likely just carb or tank vents... but next time you park it there put a few sheets of clean paper under the carbs. If you see a stain on them the next day you got a small leak. If not, no worries then

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post #8 of 9 (permalink) Old 04-12-2017, 02:11 AM
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Floats could be slightly high causing overflow when set on the sidestand and it leans over. If it is just a very small bit over it would mostly drip enough to cause a smell, but not show a leak.


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post #9 of 9 (permalink) Old 04-12-2017, 01:59 PM Thread Starter
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Good points all, but it will be a couple of weeks before I can check them out. Had surgery on my throttle hand yesterday....bummed that I won't be able to ride for a bit.


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