Question about 2002 kawasaki VN 1500 Vulcan Classic

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Sounds like lifter noise...quite loud when cold...getting to the point where it is drowning out the exhaust

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  • ethandude Jan 04, 2011

    not the answer to my question

  • ethandude Jan 05, 2011

    the bike only has 15.000 k on it...was wondering if anyone has come across this...is it an easy fix/ajustment or can it be costly to repair

  • ethandude Jan 06, 2011

    Thankyou very much for that information....finally someone that can answer my question professionally....was going to get rid of "fixya" because of the first two responses....If you had a chance to read therm you would know why....Thankyou again for your time and precise response...will still use this forum if I can get answers from knowledgable people like yourself.

    thanx

    jim

  • ethandude Jan 07, 2011

    yes thankyou

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It does not look like you have hydraulic lifters, but there are separate adjusters between the valves and the rockers. Depending on the amount/frequency of the clatter you either have bad valve lash adjusters or you have bad cam chain tensioners that are not holding the adjuster in place. The valve lash adjusters would cause a high pitched tick or click. If several are bad it sounds like marbles bouncing and rattling around inside your motor. A simple check of the valve tolerances should tell if the lash adjusters are bad.
If the cam tensioners go bad then you get a clatter sound . Two bad tensioners can be quite noisy. If the tensioners are manually adjusted you may be able to turn the motor to top dead center on the combustion stroke, loosen the tensioner bolt and retighten the bolt to get rid of the clatter sound on that cylinder. If it is a self adjusting cam chain tensioner you will have to replace the tensioner to stop the adjuster from clattering.

Posted on Jan 06, 2011

  • David Belcher
    David Belcher Jan 07, 2011

    Actually , I think the valve lash adjusters may be operated by oil pressure . They zero tolerance them selves when the engine is running. The type of rocker bearing the bike has , floats the rocker using oil pressure. The oil pressure passes through the rocker and pressurizes the valve lash adjuster. I once worked on a Honda CX500 with floating rockers. One of the pressure caps had popped out of the end of the rocker and the two valves on that rocker started making a horrible clatter. You may have to do an inspection to see if oil is being pumped to the top of the motor. Which also throws in the possibility of oil pump failure (not enough pressure to run all the systems. I would call several Kawasaki service departments and see if any of them are familiar with the issues your motor is having. There may also be some Vulcan 1500 websites with discussion rooms where other people might be sharing information on similar issues and there resolutions.

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Hi, has your problem been resolved?

Posted on Jan 07, 2011

  • GetMeOttaHere Jan 08, 2011

    Ok , thanks for using Fixya.

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Could very well be does noise diminish when it warms up ?? i have a 1981 classic and never had a problem apart from exhausts rusting out ,I would be inclined to take covers off and have a look as the fault could be a valve seat worn ,wornor a worn camshaft and without having a nice little strip and play its too difficult to put a finger on it

Posted on Jan 05, 2011

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Hi and welcome to FixYa!

As a first course of action I strongly suggest that you replace the spark plugs and plug wires. You definitely have fuel flooding. Once replaced you'll be good.

Hope this helps and thank you for using Fixya! Have a good one!

Posted on Jan 04, 2011

  • dj_relly999
    dj_relly999 Jan 05, 2011

    Alrighty then, try to check the exhaust gasket. If there's an exhaust leak the bike will run weak and feels like it's drowning. Try to check the exhaust gaskets and replace if necessary. Tighten the exhaust a little too, it may work.

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