Rebuilding ACCT's - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 10 (permalink) Old 02-22-2012, 03:23 PM Thread Starter
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Rebuilding ACCT's

I have been doing a lot of reading on replacing the ACCTs with MCCTs but decided to rebuild them with TOC's kit. Now I know that they sometimes fail soon after but I do not do all that many miles on them and would prefer to have the bike as it came from the factory. Anyway I was just wondering if anyone had some advice on rebuilding them. Any help is appreciated.
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post #2 of 10 (permalink) Old 02-22-2012, 06:25 PM
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Here is a link to the TOC instructions and video for rebuilding the ACCT:
http://www.tocmanufacturing.com/ACCT...structions.htm

Gordon

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

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TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
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post #3 of 10 (permalink) Old 02-22-2012, 08:38 PM
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My opinion of the rebuild kit ( after installing it ) is that it is not worth the trouble or expense. The new springs are not that much better. Their manual cam chain tensioner does work good however. JMO

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" Loud Pipes Risk Rights "

2001 Vulcan 750
marbled
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
iridiums
decals removed
upgraded mirrors
Pic up coil mod done
degoated
All LED lighting
Upgraded Mosfet rectifier
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post #4 of 10 (permalink) Old 02-22-2012, 09:21 PM Thread Starter
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So did rebuilding them not fix the problem at all?
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post #5 of 10 (permalink) Old 02-22-2012, 11:08 PM
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Quote:
Originally Posted by fisher1630 View Post
So did rebuilding them not fix the problem at all?
the rebuild is still a temporary fix as so are the originals, I had a toc spring break after probably 1000 miles. whether toc mcct or converting yours once they are set right there is little or no adjustment needed at all!

1986 vn 750 aka "Huck Farley"
42,000 miles
Rick's stator and rr
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dampers replaced
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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 #6 of 10 (permalink) Old 02-22-2012, 11:35 PM
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While I was installing the TOC spring I packed the assy with 'Red 'n Tacky' grease to help keep things working smooth. Seems to be working, but not enough miles for conclusion.
Oil from the engine does make it's way up there, but may not be enough I figured. The original rear unit has not failed and seems to hold a little oil because of it's angle.
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post #7 of 10 (permalink) Old 02-23-2012, 12:12 AM
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Quote:
Originally Posted by fisher1630 View Post
So did rebuilding them not fix the problem at all?
Not on my engine. Took the accts out the next day. Check out Wibs714 conversion, works good, and less than $10.00 to do.
https://www.vn750.com/forum/showthrea...cct+conversion

JM2001

" Loud Pipes Risk Rights "

2001 Vulcan 750
marbled
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
iridiums
decals removed
upgraded mirrors
Pic up coil mod done
degoated
All LED lighting
Upgraded Mosfet rectifier

Last edited by JM2001; 02-23-2012 at 07:35 AM.
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post #8 of 10 (permalink) Old 02-23-2012, 09:14 AM
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I've got over 30,000 on my conversion. I think that's enough miles to say it works! ltms
Wib did a better write up than mine. Definitly easier to follow.
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post #9 of 10 (permalink) Old 02-23-2012, 06:35 PM
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I went through rebuilds for years and finally got MCCT's- that's the way to go. Unfortunatey, I have at least one cam chain that is stretched, but it doesn't clack tat often. Been like that for over 30,000 miles.
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post #10 of 10 (permalink) Old 02-23-2012, 07:09 PM
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The ACCTs on the Vulcan are a very poor design, which is made even worse by poor quality materials. They simply wear out from the cam chain guide banging into them constantly. The threads in the body and on the plunger wear down till the plunger is able to back out, making the tensioner worthless. I had a brand new set of oem tensioners fail in 10,000 miles. You cannot rebuild them. Simply replacing the spring does nothing, it is not the spring that holds them in place. The spring simply puts a little tension on them, so they can advance when they have room. But after they get worn, the plunger can bind in the housing, and it won't advance, no matter how good the spring is. You can advance them manually, but they will still back out within a couple hundred miles.

Some people have converted the ACCTs to MCCTs. It is easy enough to do, but just seems like a cheap and cheesy solution to me. The aluminum bodies on the stock tensioners do not impress me with their quality. The TOC MCCTs are all solid steel, they work great, and they will not fail. Vibration has no effect on them, because they are solidly locked in place, unlike the ACCTs. I've ridden over 40,000 miles with them, and they have not had to be adjusted once. For about the same price as the cheap crappy oem tensioners, I consider them well worth the money.

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
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