top end noise?? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 06-10-2012, 07:03 PM Thread Starter
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top end noise??

If I may get back to my 'general sound' thread.. I think I may have too much noise coming from either the top end of the cylinders just below the seat or the right side cover just in front of the coolant tank. I have the mccts installed and the tapping is gone, but to me it seems like there is still too much noise. Listening through a screwdriver, i can hear taps in both places. I have a loose heat sheild on the right side, (thanks V&H, new one is coming) but it almost sounds like poor lubrication. Oil level is fine but I still hear a lot of whirring with the engine even over the loudness of the Cruzers.
Am I overreacting.. I just have no frame of reference of a proper sounding engine

Pittsburgh Dave
2001 VN750...old ride
2003 VN1600.. new ride
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post #2 of 9 (permalink) Old 06-10-2012, 07:33 PM
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I think you are trying to hear what doent exist. F

I only understand what I don't understand.
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post #3 of 9 (permalink) Old 06-10-2012, 07:49 PM
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If youre hearing a "whirring" as you say after installing MCCTs...theyre prolly a lil too tight...thats the sound of the chain against the guide...try backing the bolt(s) out a quarter turn at a time and see if it goes away....bet it does....



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post #4 of 9 (permalink) Old 06-10-2012, 07:50 PM
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The VN750 engine has twice the amount of parts than it's Yahama Virago counter-part. Lots of moving parts = operating noise.

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 #5 of 9 (permalink) Old 06-10-2012, 08:35 PM Thread Starter
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i did back them out some..we'll see how it goes

Pittsburgh Dave
2001 VN750...old ride
2003 VN1600.. new ride
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post #6 of 9 (permalink) Old 06-10-2012, 10:18 PM
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I installed MCCT's last week even though the ACCT's were still working fine. I also had second thoughts and readjusted them yesterday. I'm sure it was fine the first time but still had some mechanical noise I was unsure of. I just needed to reassure myself that it was right. It sounds like it did before I installed the MCCT's so I just need to stop worrying and ride it.

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2006 VN750
21,000 Miles
Splines lubed with Moly 60
Deka ETX15L AGM Battery
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post #7 of 9 (permalink) Old 06-10-2012, 11:33 PM
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I know that you guys with the MCCT's know that I know that you know this but I will remind you to be sure to make all final adjustments to the mcct's while the engine is at operating temps. Otherwise they will be out of adjustment when they are needed the most.
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post #8 of 9 (permalink) Old 06-11-2012, 12:09 PM
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Quote:
Originally Posted by Chuck A. View Post
I know that you guys with the MCCT's know that I know that you know this but I will remind you to be sure to make all final adjustments to the mcct's while the engine is at operating temps. Otherwise they will be out of adjustment when they are needed the most.
you know...I knew that you knew that I knew...but somehow I forgot.

now I have got to back and re-check my final check so I can be sure that I know I did it right...and know that I knew what I was doing in the first place....lol
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post #9 of 9 (permalink) Old 06-11-2012, 12:40 PM
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Just a note too....if you overtighten the MCCT too much, it will start hard, and even try to stall....almost/kinda a safety warning....
I cold adjust mine by turning in until tension is felt, then another 1/2 turn...this is close enough to start and warm it up...once warm, I fine tune each one using a real stethoscope...."slightly" too tight can cause a whirring (from chain guide), and will sometimes go away after riding, but IMO will cause damage to the chain/cogs eventually. Id rather have a tiny tapping than need to pull the engine....word...



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