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Old 05-03-2005, 12:12 AM   #1
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Flush and Fill Radiator......

..
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Old 05-18-2005, 01:30 PM   #2
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Re: Flush and Fill Radiator......

Before you put the radiator cap on, start the bike and run it for a little while until it is warm.* Watch the radiator to make sure the coolant doesn't spill out* (If it is about to spill out, shut off the engine).* While it is running, tap the hoses, move the bike a little, etc to remove air from the system.* This is called burping the system.* Do this a few times.* After you burp the bike, top off the radiator with your coolant mix and put the cap on.* For street riding, I would recommend a minimum of 25% coolant/75% distilled water mix with the appropriate amount of water wetter. I currently run a 50/50 water/coolant mix in my bike.* The coolant raises the boiling point of the water.* For track riding you can use distilled water and water wetter only.
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Old 05-18-2005, 02:27 PM   #3
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Re: Flush and Fill Radiator......

i thought the pressure in system raises the boiling point of the water. coolant just has anti corrosion stuff to help get out of your system. and it chemically "wets" water which basically means it helps water transfer heat better but it doesn't raises the boiling point at all. at least this iswhat i was taught.
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Old 05-18-2005, 03:44 PM   #4
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Re: Flush and Fill Radiator......

Correct about the pressure. Due to the pressure in the system, the water has to be more than 212 deg F to boil. Water boils at 212 deg F only at atmospheric pressure (0 psig). However, the coolant raises the boiling point even more and also lowers the freezing point.
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Old 05-21-2005, 07:12 PM   #5
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Re: Flush and Fill Radiator......

ah...and there it is!
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Old 05-22-2005, 01:31 AM   #6
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Re: Flush and Fill Radiator......

how about just adding straight antifreeze? is that problem?
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Old 05-22-2005, 01:39 PM   #7
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Re: Flush and Fill Radiator......

You want at least 50% of water in your mix. Water transfers heat better than coolant. Some coolants come already premixed 50/50 in the bottle.
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Old 05-22-2005, 03:32 PM   #8
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Re: Flush and Fill Radiator......

actually this thread isn't a flush this is a drain and refill to FLUSH you radiator you need to buy radiator flush (i use prestone you can get it at walmart.) drain you raditor and refill with radiator flush and distilled water. go for a good ride (hour or so) and give the flush time to get into all the passages of the coolant cycle. then drain the bike through the drain plug and rad cap off. also you might want to lean the bike all the way over to get all you can out of the system through hte bleed screw. Refill with only distilled water. take it for another ride for an hours or so this time it's getting any rad flush out of your system that mightstill remain. then come back drain it and refill with watever coolant mix you are going to use. i use like 4 ounces of water wetter and distilled water.
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Old 05-26-2005, 04:18 PM   #9
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Re: Flush and Fill Radiator......

and how long can we keep the distall water + water wetter in there compare to coolant. or is it the same and i change it every 2 years?
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Old 05-26-2005, 05:17 PM   #10
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Re: Flush and Fill Radiator......

1 season
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Old 03-19-2008, 07:16 PM   #11
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2008!!!!! Motorcycles Unlimited****in bump , what about the water pump, how do you flush that? do you keep the engine on? i took off the radiator, so i was shootin water through the water pump was wondering if i should keep the engine on
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Old 03-20-2008, 12:13 PM   #12
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bump! sum1 answer me please ^^^^^^^^^^^^^^^^^^^ about to put the rad back on in a few minutes
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Old 03-20-2008, 12:19 PM   #13
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1. You bumped an old thread to ask a question?
2. The pics don't work
3. You from Guyana? What part?

I don't think you need to flush the water pump....
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Old 03-20-2008, 12:21 PM   #14
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Quote:
Originally Posted by indoMLA View Post
1. You bumped an old thread to ask a question?
2. The pics don't work
3. You from Guyana? What part?

I don't think you need to flush the water pump....
yup i dont need pics, did not want to make a new thread, i understand good ole english, and lbi and burbese, you?
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Old 03-20-2008, 12:22 PM   #15
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Quote:
Originally Posted by paniro187 View Post
actually this thread isn't a flush this is a drain and refill to FLUSH you radiator you need to buy radiator flush (i use prestone you can get it at walmart.) drain you raditor and refill with radiator flush and distilled water. go for a good ride (hour or so) and give the flush time to get into all the passages of the coolant cycle. then drain the bike through the drain plug and rad cap off. also you might want to lean the bike all the way over to get all you can out of the system through hte bleed screw. Refill with only distilled water. take it for another ride for an hours or so this time it's getting any rad flush out of your system that mightstill remain. then come back drain it and refill with watever coolant mix you are going to use. i use like 4 ounces of water wetter and distilled water.
did you do it this way?
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Old 03-20-2008, 03:06 PM   #16
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a mixture of 40/60 anti-freeze/water is the best overall for heat transfer.
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