fork oil and coolant change - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 7 (permalink) Old 06-27-2009, 09:30 PM Thread Starter
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fork oil and coolant change

Are there any step-by-step procedures for fork oil and coolant change? I read what's available in the verses and most of it I don't understand. I have read the procedures in Clymers and both seem somewhat involved. Especially the fork oil change. The measurement instructions are complicated. Are perfect measurements that critical? Thanks
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post #2 of 7 (permalink) Old 06-27-2009, 09:44 PM
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I thought the manual sounded kinda hard to on the coolant but it really isnt, when you fill it up leave your bleeder valve open (its about 6 inches behind the radiator cap towards the seat) and pour slowly when it starts to get full, when you see it start to come out the valve stop and close the valve, then top off the radiator. fill reservoir to full mark then run for a few minutes, shut off and check for leaks, top back off if needed and your done.
cant help with the for oil as I haven't done mine yet but its soon on my list. I'm sure help on that will be here soon!

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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post #3 of 7 (permalink) Old 06-27-2009, 09:45 PM
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I thought the manual sounded kinda hard to on the coolant but it really isnt, when you fill it up leave your bleeder valve open (its about 6 inches behind the radiator cap towards the seat) and pour slowly when it starts to get full, when you see it start to come out the valve stop and close the valve, then top off the radiator. fill reservoir to full mark then run for a few minutes, shut off and check for leaks, top back off if needed and your done.
cant help with the for oil as I haven't done mine yet but its soon on my list. I'm sure help on that will be here soon!

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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post #4 of 7 (permalink) Old 06-27-2009, 10:13 PM
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A few points on changing your coolant:

Be very careful not to over-tighten the plastic drain bolt on the bottom of the radiator! I nearly snapped mine and the OEM replacement cost me 15 bucks and I had to wait a week for it to come in! The rubber washer helps it stay tight when it compresses so you barely need to use a wrench at all to get it tight enough.

Also, The bleed valve does not need to be opened much at all for it to allow coolant to flow through. I took it completely out and found it only has a small little hole that must be lined up perfectly before fluid can drain through. Just play around with it a little and you'll find the sweet spot lol.
There is a write-up with pictures that helped me a lot somewhere on here, I'll try and get you a link to it.

1994 Kawasaki Vulcan 750 named Jinba Ittai (Japanese for "Horse and rider in perfect harmony").
Jardine Pipes
Splines Lubricated
Painted Instrument Bezels
Headlight Visor
Chrome engine guard
Leather Fork Bag (contents: Pressure gauge, tools, and a Book of Psalms)
Yuaso MF AGM Motocross battery
Kenda Kruz Front tire
Duro Boulevard rear tire

"Buy the ticket, take the ride."
-Hunter S. Thompson
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post #5 of 7 (permalink) Old 06-27-2009, 10:15 PM
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Here ya go!


https://www.vn750.com/forum/showthread.php?t=6116

1994 Kawasaki Vulcan 750 named Jinba Ittai (Japanese for "Horse and rider in perfect harmony").
Jardine Pipes
Splines Lubricated
Painted Instrument Bezels
Headlight Visor
Chrome engine guard
Leather Fork Bag (contents: Pressure gauge, tools, and a Book of Psalms)
Yuaso MF AGM Motocross battery
Kenda Kruz Front tire
Duro Boulevard rear tire

"Buy the ticket, take the ride."
-Hunter S. Thompson
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post #6 of 7 (permalink) Old 06-27-2009, 10:43 PM Thread Starter
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Thanks guys. That covers the coolant change. Any suggestiona on the fork oil.
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post #7 of 7 (permalink) Old 06-27-2009, 11:01 PM
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There's a couple recent thread's down in the "Suspension" Forum from some of us who have recently done the oil and/or seal change. You'll probably find more info there than here.
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