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post #1 of 8 (permalink) Old 09-13-2011, 04:41 PM Thread Starter
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Idle adjuster part

Hello ,

I'm Phil from Belgium and have a kawa vulcan ( US model ) from 1985
I do have a problem , The cable to adjust the low and high Idle is broken and can't adjust it any more the cable is loose from the knob ,
I don't know if it is clear , But can any one help me to find thr parts knob and cable so that I can replace it ?
thanks for help
Phil
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post #2 of 8 (permalink) Old 09-13-2011, 05:23 PM
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Phil -

I would suggest looking on eBay - you can even follow the link from the Forum that takes you there (Vulcan parts on Bay, I think). I'm sure you can get an OEM one online, but it will cost you some serious $$$ I'm sure, as all that stuff does.

My other suggestion, if you lived in the States, would be craigslist - but I'm not sure if you have that over there. What about motorcycle junkyards? Are there any of those you could check? I have gotten a lot of great parts - cheap - through one we have here.

Lastly, you could try posting this question in the "Sell/Swap" section here on the forum. You'd probably have better luck that way.

Best of luck : )

AZ Kev

Arizona Kev

1989 VN750
7800 orig mi when purchased Jan 2011
Turned 11,000 mi Nov 2011
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post #3 of 8 (permalink) Old 09-13-2011, 11:35 PM
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Well this site doesn`t even show a 1985 vn750, but here is a diagram for an `86:
https://www.vn750.com/forum/showthread.php?t=18899

Unfortunately neither this diagram or the carb parts diagram shows the idle adjuster flexible shaft you are looking for.

Is the shaft/cable broken in any way?
Or is the black knob just loose?

Is it possible to glue the knob back onto the cable?
Or fashion a new knob from epoxy like JB Weld or something similar?

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
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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.
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post #4 of 8 (permalink) Old 09-14-2011, 09:46 AM
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I think you may have posted the wrong link Gordon.

If I remember correctly that cable is pretty much a rubber hose connecting the knob to the screw. Perhaps there is cable inside there, I'm not sure.

You can see it in one of my videos here.
http://www.youtube.com/watch?v=dyC7W...ailpage#t=726s

If it is just a tube you might be able to glue it back together like OlHoss had mentioned, or stick a new piece of tube in there and epoxy both ends.

EDIT:
Looking at that video again, there must be some kind of cable there. It is pretty stiff and makes a sharp corner.

Street
1985 VN750 Acquired Feb, 2011 - 13,676km
Mods - Ear Shave, Pickup Coil Gap, Drilled Clutch Basket, Shift Tie Rod, Mosfet R/R, MF Battery, De-Goated (H-Pipe), MCCT, Heated Grips, Plexistar 2 Windshield

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Last edited by Roach; 09-14-2011 at 09:48 AM.
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post #5 of 8 (permalink) Old 09-14-2011, 02:30 PM
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There's a rod inside the tube - it's threaded at the carb end and there should be a small spring on it. Sometimes the rod separates from the tube, so turning the knob just moves that plastic tube around - looks like it should be adjusting the idle, but isn't doing anything. If that's the case, try gluing the pieces together again.

C
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post #6 of 8 (permalink) Old 09-14-2011, 09:53 PM
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I have not had a good look at the idle adjuster on my bike, but thought it looked similar to the flexible shaft on a nut driver or socket extensions I have.
Can anyone find find it in the exploded parts diagram?

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/showthread.php?t=9127
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post #7 of 8 (permalink) Old 09-14-2011, 10:43 PM
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It's part 16021 in this diagram.

Street
1985 VN750 Acquired Feb, 2011 - 13,676km
Mods - Ear Shave, Pickup Coil Gap, Drilled Clutch Basket, Shift Tie Rod, Mosfet R/R, MF Battery, De-Goated (H-Pipe), MCCT, Heated Grips, Plexistar 2 Windshield

Dirt
2004 KTM SX 125 - 1979 Can-Am Qualifier 250 - 1971 Kawasaki F6

Video Tutorials - Engine Rebuild - Fork Seal Replacement - Grease Swing Arm Bearings - Carb Rebuild - Spline Lube - Refilling Rear Shocks - Grease Steering Bearings
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post #8 of 8 (permalink) Old 09-14-2011, 11:49 PM
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Hi all...New guy here as well. I have a 95 VN750 that I have owned for about 9 years. I had the same problem with the adjuster cable breaking. The cable is similar to a speedometer cable. It's coated with heat shrink, fused to the knob, and has a screw on the other end. I went to the dealer and they wanted $86 for this part, less spring. They actually told me that with a straight face.

I bought one for a ZX1100 on ebay for $10. It was longer than VN750 type and it had a different bracket. No problem. I put it in a vice and cut the heat shrink along the length of the cable. This allowed me to remove the bracket and put on the 750 bracket. I put the split heat shrink back on and then covered it with new heat shrink. The cable was a little longer so I had it exit out the right side of the bike. I put a slight bend on the bracket and was able to attach it to the side of the carb. It works great. Better than it did before. So bottom line is even if it is not the 750 part, you can still adapt other adjusters to fit.
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