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post #1 of 9 (permalink) Old 03-18-2012, 11:17 AM Thread Starter
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Forum N00b, Spaniard

Hello all,
I've had my '86 VN750 for about 3 years and I love it! It's my first bike and it has been very low maintenance and a lot of fun.
Little things are beginning to go wrong, though, so I wanted to join the forum for info and advice.

My major concern right now is a noise that sounds like it may be valve tap; seems like its coming from the top of the engine.

I look forward to cruising through the threads for service and maintenance nuggets!


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post #2 of 9 (permalink) Old 03-18-2012, 11:43 AM
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Hi and welcome to the forum, have a look at your ACCT could be cam chain noise try this link
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post #3 of 9 (permalink) Old 03-18-2012, 02:50 PM
1986 VN750
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Originally Posted by Swagman View Post
Hi and welcome to the forum, have a look at your ACCT could be cam chain noise try this link
Definitely sounds like those ACCTs are starting to fail. I would replace them with MCCTs (TOC makes some good ones). Try the linked "Grambo fix" for a temporary solution to help diagnose the cause.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars

1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #4 of 9 (permalink) Old 03-18-2012, 09:16 PM
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TOC link to MCCTs:

Oh and BTW, welcome to the Vulcan madness. Although if you have been riding the vn750 for 3 years, you know all about it!


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


Last edited by OlHossCanada; 03-18-2012 at 09:18 PM.
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post #5 of 9 (permalink) Old 03-19-2012, 12:04 PM
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Welcome to the forum friend.

Live Free, Ride Much My Friends


85 VN700
Replaced crankshaft and rod bearings
sportster mufflers installed

To do
Repaint tank, frt fender, and side covers
add saddle bags
add luggage rack
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post #6 of 9 (permalink) Old 03-19-2012, 06:17 PM
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Welcome to the forum


" Loud Pipes Risk Rights "

2001 Vulcan 750
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
decals removed
upgraded mirrors
Pic up coil mod done
All LED lighting
Upgraded Mosfet rectifier
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post #7 of 9 (permalink) Old 03-19-2012, 07:32 PM
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Welcome. If it is the cam chain tensioners, you need to do something about it quickly, before it causes a lot of internal engine damage. Do the Grambo trick, if that quiets it down, then go ahead and order the TOC manual tensioners. I have had them for over 40,000 miles, they are without a doubt the best thing I've ever done for my bike.

Couldn't help but notice, ANOTHER 1986. It is hard to believe how many 1986 models they made compared to other years, and how long they have survived. The '86 models must have been the best year for the VN750, I have an '02, and I doubt there will be any of them still around after that long. My '02 developed cam chain tensioner problems in less than 15,000 miles.

I am a motorcyclist, NOT a biker.

1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
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post #8 of 9 (permalink) Old 03-20-2012, 08:02 PM
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Search the threds and read about how you can convert ACCT's to MCCT's for very
little money out of your pocket. I did mime over 15,000 miles ago and they are still going strong. With the right metric bolts and lock nuts and some rubber wachers they
can easily be converted. All this can be done for under 10.00 dollors. Check it out.

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 9 (permalink) Old 03-23-2012, 07:03 PM Thread Starter
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Thanks for welcome!

Thanks everyone for the warm welcome and great advice!
I will research the linked info and see if this is something I think I can do myself. At first glance, the Grambo trick doesn't look too difficult, but I've known make a lot of simple jobs very complicated
And yes, am interested in a long-term fix, so I'll be looking into your suggestions about replacing my ACCTs.

Will post back my progress.

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