1986 vn 750 front forks - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 10 (permalink) Old 07-13-2012, 06:08 PM Thread Starter
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1986 vn 750 front forks

Replacing front fork seals fork springs are two pieces short one approx. 3" clymers does not show this, is it common?
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post #2 of 10 (permalink) Old 07-14-2012, 03:54 PM
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My Clymers manual shows a short rebound spring (part number 12) in diagram 67 in chapter 10.

Shows as part of assembly 44022 , in this diagram from Bike Bandit:
http://www.bikebandit.com/houseofmot...50137#sch49563


44022:

CYLINDER-FORK


822086 (Bike Bandit part number)






$82.81

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 #3 of 10 (permalink) Old 07-14-2012, 09:00 PM
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That spring is 1 piece for sure. If there's 2 there yours is likely broken.


'94 VN 750 17k mi. Aqua, Memphis shade.
Acquired 2/2011
Oiled
Tank cleaned
New Fork seals
Marbled
Idle jets-RT-3.0, Lft-2.5 turns
Sea Foamed
New Batt for grins
Stupid hose in the rt ear found and fixed
Major clutch adj.
New Petcock
New Shimko tires
De-goated before I got it.
Iridium plugs
YEA! New choke cable!!
Gonna do the Spline Lube soon(Chged tires before I found this site)

Replacement for my FXDWGI
Why didn't I find these before I spent $22 grand!!
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post #4 of 10 (permalink) Old 07-14-2012, 09:10 PM
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There are actualy 3 springs in the fork. 1 Main spring (big long one) 1 smaller rebound spring about 3" and 1 oil lock spring about 2". None of which are of the same size length, internal, external dimensions or compression. A broken spring turning into two pieces is not likely, sounds like the rebound spring your talking about here. Or a previous owner did something.
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post #5 of 10 (permalink) Old 07-14-2012, 09:15 PM
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Need pictures!!!!

MCCT Mod
Pickup Mod
12 Volt Receptacle Mod
Memphis Shades Santa Cruz
Homemade Luggage Rack
NGK Iridium IX Spark Plugs
Harley Sportster Exhausts
Rotating/Flashing Tail Lights
170/80 Michelin Commander II
Saddlemen Highwayman Slant Jumbo Saddlebags
Bought 09/10 12.2k miles - 04/12 33.4k miles
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post #6 of 10 (permalink) Old 07-14-2012, 09:18 PM
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for sure


'94 VN 750 17k mi. Aqua, Memphis shade.
Acquired 2/2011
Oiled
Tank cleaned
New Fork seals
Marbled
Idle jets-RT-3.0, Lft-2.5 turns
Sea Foamed
New Batt for grins
Stupid hose in the rt ear found and fixed
Major clutch adj.
New Petcock
New Shimko tires
De-goated before I got it.
Iridium plugs
YEA! New choke cable!!
Gonna do the Spline Lube soon(Chged tires before I found this site)

Replacement for my FXDWGI
Why didn't I find these before I spent $22 grand!!
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post #7 of 10 (permalink) Old 07-15-2012, 08:26 PM Thread Starter
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If the rebound spring is the same diameter as the main fork spring , then I have it, but I still am missing the damper rod piston! Hey! I didn't take it apart so with out seeing the part I don't know what it looks like.( this is a friends bike he bought new in 1986 it has 9200 mi. ) In the Clymer it looks like a washer. We took the forks to a motorcycle shop to remove the hex bolts and they say they don't have them (the damper pistons). If anybody has or knows where I can see a close up picture of one , I would appreciate it.
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post #8 of 10 (permalink) Old 07-15-2012, 10:25 PM
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You can get a pair of forks off fleabay for $100. Forks That might be the way to go, just don't know what it would cost to repair the ones you have if you have parts missing.

Here's a left fork for $48.... Left fork

MCCT Mod
Pickup Mod
12 Volt Receptacle Mod
Memphis Shades Santa Cruz
Homemade Luggage Rack
NGK Iridium IX Spark Plugs
Harley Sportster Exhausts
Rotating/Flashing Tail Lights
170/80 Michelin Commander II
Saddlemen Highwayman Slant Jumbo Saddlebags
Bought 09/10 12.2k miles - 04/12 33.4k miles
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post #9 of 10 (permalink) Old 07-16-2012, 09:25 AM
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Quote:
Originally Posted by solidsuface View Post
If the rebound spring is the same diameter as the main fork spring , then I have it, but I still am missing the damper rod piston! Hey! I didn't take it apart so with out seeing the part I don't know what it looks like.( this is a friends bike he bought new in 1986 it has 9200 mi. ) In the Clymer it looks like a washer. We took the forks to a motorcycle shop to remove the hex bolts and they say they don't have them (the damper pistons). If anybody has or knows where I can see a close up picture of one , I would appreciate it.
Check out Roach's rebuild vids and see if they help https://www.vn750.com/forum/showthread.php?t=19423
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post #10 of 10 (permalink) Old 07-16-2012, 03:33 PM Thread Starter
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It is hard to tell from the video( I have watched it 8 times ) but the spring has to be the same size as the main fork spring. I put everything back and am ready to pour oil!
Thanks everybody !
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