Noise in Vulcan Classic 1600 - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 26 (permalink) Old 04-21-2009, 06:57 AM Thread Starter
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Noise in Vulcan Classic 1600

Have a 2008 Classic with 5K miles on it. Just changed the oil and cleaned the oil screen. Out for a ride and heard a noise coming from what appeared to be the transmission - front of the bike. As you idle up the engine, the noise correlates with the RPMs - gets louder. Sounds like bearings, or even not enough oil in the crankcase - kind of a sack of marbles type noise. Reviewed my oil change and check all exterior parts, nothing. Its not as loud when cold but as the engine gets warm, noise is louder. Don't remember hearing this in the past. Any ideas?
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post #2 of 26 (permalink) Old 04-21-2009, 09:49 PM
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What weight/grade oil did you use and how many quarts did you add?

Bob
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2006 V2K LT
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post #3 of 26 (permalink) Old 04-22-2009, 03:11 AM
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Just did the oil/filter change on my 1600 Classic & the noise engine is quieter if anything.
3.3 US quarts of 10/40 synthetic is what I used.
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post #4 of 26 (permalink) Old 04-22-2009, 05:56 AM Thread Starter
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Vulcan 1600 engine noise

Cruznut6,

I used Castrol GTX 10W 40 petroleum based, 3.3 quarts w/filter change, per the book. I have used petroleum based oils in the past, with no problems. I did pull out the oil screen where perhaps a few oz. of oil came out as well.

However, the oil level is within range. The noise does sound like there is not enough oil in the machine, but the oil window says otherwise. I plan to take to the dealer this weekend and have them look at it.

Question, does the transmission use the same engine oil for lubrication as the engine itself? I was told that it does.

PS, the bike has run great with no problems, even with the noise. There is no oil light on or any other lights on the dash.
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post #5 of 26 (permalink) Old 04-22-2009, 05:59 AM Thread Starter
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Dellwood33,

Did you have the same noise I am talking about? If so, what difference does synthetic oil make? I don't remember this noise with other petroleum based oils I've used. Maybe that's the problem. What if you go from synthetic to petroleum based? Does this make a difference? I bought the bike from a private owner and he may have used synthetic. I have been using petroleum based.
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post #6 of 26 (permalink) Old 04-22-2009, 11:23 AM
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Since changing from the original Dino Oil from the dealer, the bike does seem quieter, not that I found it incredibly noisy before. I have noticed that the gear changing is a bit less clunky with the synthetic. I ran my GL1800 on synthetic and my ST1300 is currently using it as well - both had improved gear changing IMHO.
All of these bikes run a wet clutch and I have had no problems with the clutch on any of them.

I gather you mean the gearbox - this uses the engine oil.
The Diff uses Hypoid 80 and is filled seperately.
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post #7 of 26 (permalink) Old 04-22-2009, 11:34 AM Thread Starter
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Dellwood33

yeah, I meant the gear box. What type of synthetic do you use - brand?
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post #8 of 26 (permalink) Old 04-22-2009, 11:41 AM
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Engine oil takes care of the gearbox.
The oil I use is what I get from Hein Gerricke - its a German company and I doubt if you get it in the USA.
Some friends of mine in the US use Amsoil and they rave about it - I can't get it in the UK so I can't comment. Others use Mobil 1 - I do notice that Oil gets a lot od forum time and people tend to get really excited about it. I like to stay with what I know - If its not bust why try to fix it.
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post #9 of 26 (permalink) Old 04-22-2009, 10:20 PM
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The debate over dino vs. synthetic gets lot's of attention on most forums. I think the bottom line is to use the correct viscosity and keep it clean. Sythetic oil will maintain it's viscosity better over a large range of temperatures. I've read numerous posts where synthetic oil will "quiet" noisy tranny's and engine noises. Personally, I've used only dino oil in every bike I've owned ( over 40 years worth!) and never had an issue. Vulcan's can certainly be noisy, so it might be worth it to you to switch to the syn oils. BTW, you can check your oil level at the "sight glass" on the right side of the tranny, but it's a real pain to do without a mirror or someone to help keep the bike level.

Bob
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Colossians 2:10- And in Him you are made Complete.
2006 V2K LT
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post #10 of 26 (permalink) Old 04-23-2009, 08:05 AM Thread Starter
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Noisy Vulcan

Thanks to all who responded to my problem. I have the bike scheduled for the 5K checkup and then will use synthetic to measure the difference. Thanks again.
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