Year, make , model?
Clamp (pinch) the lower hose to the overfill tank, (or drain it).
Put the bike on the side stand.
Remove radiator cap
Fill with fluid to bottom of neck
Start the bike, when the thermostat opens the level will go down, slowly top up fluid.
Let idle for a couple of minutes, she will self purge (burp), (for the opening is higher than the rest of the engine and air travels up) blip the throttle a few times, too high and she'll vomit out the opening. Top up again.
Put the cap on and wait until the fan comes on, about 220'F.
Remove the overfill tank hose clamp or re-fill to the high mark. As the bike cools she will draw any needed coolant in.
After she has cooled and you want to check the level in the radiator. Put her on the sidestand, clamp the hose to the overflow tank, if you don't she'll leak coolant out the opening when you pop the cap off.
Pressure test your cap too and make sure she pops at about 1 atmosphere., 14-15psi.
Ciao, Nick Alaniz, 2002 Ducati ST4$, Sacramento, CaL.
----- Original Message -----
From: ducmays@yahoo.com
To: "St owners group" <st2_owners@yahoogroups.com>
Sent: Friday, April 29, 2011 7:04:22 PM
Subject: Re: [DucatiST] Coolant trick
Now that just looks like plain fun. Thanks for the link! Hopefully it will correct itself with a couple jaunted runs
Sent on the Sprint® Now Network from my BlackBerry®
--- In st2_owners@yahoogroups.com, ducmays@... wrote:
>
> Tried that one. She is still running in the 180s. Was running at 155 before change? Any suggestions?
180 isn't bad. A Duc with sound hoses and clamps should hold its fluids to 230 or more. But ....
First check your thermostat. I should open at around 160. Hang onto the cooling hose between the thermostat and the radiator while checking your temp gauge. Or, to be sure your thermostat is opening fully you can remove it and check it in your kitchen in a pot of hot water with a candy thermometer (best when your wife isn't at home).
My St4s runs hot also. 190s and 200s (in traffic and climbing a long steep inclines in slow traffic) and I live in one of the coldest places in the lower 48. Last year I bought one of these after reading a favorable review in the 1/10 issue of MCN. After you get access to the radiator cap it will drain and refill your system in seconds. No kidding. My bike still runs hotter than I would like but I know there is no air in the system. I always felt like a putz burping hoses.
http://www.amazon.com/s/?ie=UTF8&keywords=uview&tag=googhydr-20&index=automotive&hvadid=4499864967&ref=pd_sl_jhxeo7aip_b
Jeff in Colorado
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