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post #1 of 10 (permalink) Old 01-25-2007, 01:24 AM Thread Starter
 
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what is this thing?

I found this pic on jr_allas' website. Finally a picture showing something I've wondered about for a while. What is that thing sticking out of each cyclinder? My crude attempt at drawing an arrow points toward the one shown in this pic. Thanks,

jeff

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post #2 of 10 (permalink) Old 01-25-2007, 03:29 AM
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That is the ACCT (automatic cam chain tensioner).
And for a crude attempt, it's good enough !


AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


"When life throws you curves,
Aim for the apex."

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post #3 of 10 (permalink) Old 01-25-2007, 07:22 AM
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Yup, well done! And I have such fond memories of installing those new springs... Wish the engine on Orleans looked that clean!

C
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post #4 of 10 (permalink) Old 01-25-2007, 10:00 AM
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Acct

As long as we are on the subject of Automatic Cam Chain Adjusters, or ACCT as they are affectinately referred to. (By the way, it took me a long time to figure out what the heck everyone was talking about.) But anyway, what is the typical mileage when folks have had to service these things? I believe first attempt to service is the "gambo trick" before spring replacement??? Or, is service on these more age than mileage?

I really appreciate all you folks' willingness to share your knowledge.

Ben-
SW Ohio

'02 VN750
Pipes drilled
Spline lubed
R/R relocated
AGM batteried
Iridium equipped
LED tail lighted
8000-ish miled
Soon to be MCCTed

Lovin Life.
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post #5 of 10 (permalink) Old 01-25-2007, 11:41 AM
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Quote:
Originally Posted by Crobins365 View Post
Wish the engine on Orleans looked that clean!
That is one fine looking engine!

1996 VN 750 (Spark)
Extended Sissybar
Soft Saddle Bags
Short Windshield
Marbled
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post #6 of 10 (permalink) Old 01-25-2007, 12:49 PM
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Quote:
Originally Posted by BSkaggs513 View Post
As long as we are on the subject of Automatic Cam Chain Adjusters, or ACCT as they are affectinately referred to. (By the way, it took me a long time to figure out what the heck everyone was talking about.) But anyway, what is the typical mileage when folks have had to service these things? I believe first attempt to service is the "gambo trick" before spring replacement??? Or, is service on these more age than mileage?

I really appreciate all you folks' willingness to share your knowledge.
Orleans has about 25K miles on her, and she was making quite a racket (and putting off potential buyers). When I broke down the ACCT, the springs were thoroughly shot. My rideable bike has about 11K miles, and is just starting to make "that sound" in the rear cylinder, but I don't know how normal that is in terms of mileage.

On a positive note, the TOC springs are only 20-odd dollars (plus a little shipping), and replacement is really pretty straightforward.

C
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post #7 of 10 (permalink) Old 01-25-2007, 02:23 PM
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I replaced the springs on mine around 30k mi.
I did the Grambo trick first. That lasted a few months until I heard 'that sound' again (which many compare to the mixing balls in a can of spray paint)

At first, the way the springs work can be a little confusing. But once ya disassemble them you understand it better.
They don't work by the springs pushing action as one would expect, but by the twisting action of them.


AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


"When life throws you curves,
Aim for the apex."

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post #8 of 10 (permalink) Old 01-25-2007, 03:15 PM
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i am going to be changing mine out to the TOC springs here shortly....hopefully they will help...

'04 Vn750
Currently Installed
nat'l cycle deflector shield
westco 12v30 MF, 30A/h w/ 350 CCA's w/ custom box
TOC stator cover w/ Frankenstator mod!
R/R relo

Soon to have (own or on order)
TOC ACCT's
Mez's 110-FRT 170/80-Rear
Custom rear fender and tail light
Givi hard bags w/ custom rear turn signals


Band Engineer/Webmaster for Josey Contreras Tejano Band
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post #9 of 10 (permalink) Old 01-25-2007, 03:35 PM
 
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Mine didn't start making noise until almost 40k miles. I took the ACCTs apart and retensioned the springs. That lasted a few months and then I had to do the Grambo trick. Looked like only the rear one was sticking. Might have someting to do with the angle. Putting the TOC springs in when I do the ear shave this spring.

Last edited by JamieB; 01-25-2007 at 04:10 PM.
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post #10 of 10 (permalink) Old 01-25-2007, 10:38 PM Thread Starter
 
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Quote:
Originally Posted by hyperbuzzin View Post
That is the ACCT (automatic cam chain tensioner).
And for a crude attempt, it's good enough !

Thanks. Like others, I appreciate the shared knowledge here.
jeff
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