Refilling coolant - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 10 (permalink) Old 08-25-2011, 02:29 PM Thread Starter
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Refilling coolant

Hello all -

My radiator drain plug decided to end its life, was leaking badly, and I am now going to have to replace it. That's no big deal really. My question is, after the radiator drains out from taking the old plug out and putting the new one is, is there any 'easy' way to refill the radiator? What is the best procedure to use?

From what I can see, I am going to have to remove the gas tank just to get to the filler cap (which seems like a major PITA just to put some coolant in). Is that correct?

As always, any helpful advice/info/tips are appreciated

AZ Kev

Arizona Kev

1989 VN750
7800 orig mi when purchased Jan 2011
Turned 11,000 mi Nov 2011
Saddlebags
Taillight relocation kit
Chad's highway peg mounts
Emgo Pegs
Aftermarket mirrors
Dunlop D404's

Otherwise, all stock


"But it's a dry heat - like the inside of an oven"
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post #2 of 10 (permalink) Old 08-25-2011, 02:51 PM
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Uh, no; you can remove the right neck cover to get to the filler cap; the bleed screw can be reached with a 10mm box end wrench, altho it's a tight fit. It's a little easier if you remove the seat, unbolt the tank, and shift it back slightly.

J.D.
Kerrville, TX
'95 Vulcan 750 "Therapy II",
aka "Raggedy Ann"
'95 VN750 project
'03 VN800B "The Little Black"
'04 VN800E Drifter project
'93 VN1500A custom project
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post #3 of 10 (permalink) Old 08-25-2011, 02:55 PM
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yea, no need to take off the tank. You can still access the bleed screw with a wrench without taking off anything other than the neck cover, but it IS easier with the tank out of the way.

As far as how to properly fill it, no idea
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post #4 of 10 (permalink) Old 08-25-2011, 03:02 PM Thread Starter
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Right on - thanks for the info guys. Ok, I am a little ignorant about this part though : the 'bleed screw'? I've never had a water-cooled bike before and am not familiar with that part. Do I need to 'bleed' the radiator after filling it?

Thanks : )

AZ Kev

Arizona Kev

1989 VN750
7800 orig mi when purchased Jan 2011
Turned 11,000 mi Nov 2011
Saddlebags
Taillight relocation kit
Chad's highway peg mounts
Emgo Pegs
Aftermarket mirrors
Dunlop D404's

Otherwise, all stock


"But it's a dry heat - like the inside of an oven"
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post #5 of 10 (permalink) Old 08-25-2011, 03:12 PM
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The bleed screw is on top of the thermostat housing, just forward and outboard of the temp sending unit. Open it a turn or two, pour coolant in the filler neck slowly, and when it's full you start seeing coolant pump out the bleed screw; gets air out of the coolant system. Tighten it up when no more air coming out, put the cap back on, etc.

J.D.
Kerrville, TX
'95 Vulcan 750 "Therapy II",
aka "Raggedy Ann"
'95 VN750 project
'03 VN800B "The Little Black"
'04 VN800E Drifter project
'93 VN1500A custom project
VROC #16185
GCVROC #33

Photo album: http://www.flickr.com/photos/leekayd/sets
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post #6 of 10 (permalink) Old 08-25-2011, 04:48 PM Thread Starter
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Right on J.D. - thanks. I think this sounds like something I can tackle (famous last words! Lol)

AZ Kev

Arizona Kev

1989 VN750
7800 orig mi when purchased Jan 2011
Turned 11,000 mi Nov 2011
Saddlebags
Taillight relocation kit
Chad's highway peg mounts
Emgo Pegs
Aftermarket mirrors
Dunlop D404's

Otherwise, all stock


"But it's a dry heat - like the inside of an oven"
AZ Kev is offline  
post #7 of 10 (permalink) Old 08-25-2011, 04:49 PM
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Coolant change with pictures courtesy of Harvey birdman :
https://www.vn750.com/forum/showthread.php?t=6116

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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post #8 of 10 (permalink) Old 08-25-2011, 05:35 PM
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Way to go O Hoss you seem to have all those good threads booked marked. You really have a lot of info stashed away so you can easily access them.

2004 25,500 miles
Led tail light enhancement
Homemade floor boards
Headlight modulator
Extra heat sink on R+R
R+R relocation
Homemade driver's backrest
Fused Stator
Mcct conversion-cost 4.50
Ride-on in tires
crash bar with home made hyway pegs
iridium plugs
home made fork wind deflectors
coil pickups adjusted.
Kenda kruz tires 110/90 170/80
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post #9 of 10 (permalink) Old 08-25-2011, 07:33 PM
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yup, Gordon has a link for everything!! lol

He's way better than the site's search engine!
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post #10 of 10 (permalink) Old 08-25-2011, 10:45 PM
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Garage
I keep saying he should change his name to "The Linkmaster"

and its only 3 bolts to move the tank not counting the two in the seat and will only take about 3 minutes to take them off, you barely have to slide the tank back so you wont need to mess with fuel or vacuum lines to do it!

1986 vn 750 aka "Huck Farley"
42,000 miles
Rick's stator and rr
Tuxedo stator cover mod
pickup coil mod
dampers replaced
agm m/f battery
Harley sportster exhaust, degoated
Hid conversion
splines lubed
custom "vn750.com" grill cover
NGK Iridium spark plugs


acct to mcct mod https://www.vn750.com/forum/showthread.php?t=17917

rekeying locks, https://www.vn750.com/forum/showthread.php?t=7309

stator replacement walkthrough, https://www.vn750.com/forum/showthread.php?t=11369
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