Ticking noise - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 8 (permalink) Old 09-26-2015, 05:42 PM Thread Starter
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Ticking noise

The bike is making a ticking noise. It's pretty steady but isn't there as much when the engine is warm. I took it in to the local motorcycle shop for a diagnosis, they said they think it's coming from the head cylinder and think it might be a bad valve? But as I have looked and it seems like Vulcans have this issue a lot and people say it's the ACCT? I don't know what that is? Is that what they are talking about in the head? Has anyone else had this issue with their bike? Was it simple to fix? What's do you guys think?
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post #2 of 8 (permalink) Old 09-26-2015, 06:25 PM
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Just search ACCT on the site and you will find all the info you need. Yes it is the ACCT. You can convert it to manual or buy manual tensioners, depending on your wrenching skills. Easy fix.

1986 Kawasaki Vulcan 750
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Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
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Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
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1998 Honda VFR800 FI

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post #3 of 8 (permalink) Old 09-26-2015, 07:06 PM
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post #4 of 8 (permalink) Old 09-26-2015, 07:33 PM
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post #5 of 8 (permalink) Old 09-26-2015, 08:06 PM
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ticking can be the ACCT's, but one thing to think of checking, the vacuum petcock can tick as well. mine does. no effect on operation or performance, its just the valve in it opening and closing. the petcock only gets vacuum signal from one carb, so it pulses with the intake stroke.

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post #6 of 8 (permalink) Old 09-27-2015, 01:52 AM
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Quote:
Originally Posted by michiganteddybear View Post
ticking can be the ACCT's, but one thing to think of checking, the vacuum petcock can tick as well. mine does. no effect on operation or performance, its just the valve in it opening and closing. the petcock only gets vacuum signal from one carb, so it pulses with the intake stroke.
Drove me nuts for months until i found it.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #7 of 8 (permalink) Old 09-29-2015, 07:23 PM Thread Starter
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Does the Vulcan have automatic adjusting valves?
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post #8 of 8 (permalink) Old 09-29-2015, 08:01 PM
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Hydraulic lash adjusters, no adjustment.

More common to be the acct, but sometimes valves stick, or rarely a lash adjuster can fail.

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