poor throttle response and intermittent popping... LOUD - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 5 (permalink) Old 08-26-2009, 12:41 PM Thread Starter
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poor throttle response and intermittent popping... LOUD

ok, my ride yesterday showed a couple things that i have concerns about.

first off, my bike has been marbled and had the adj screws on the carbs turned out to 2.75.

1.) yesterday i had a TON of popping when decelerating and the occasional REALLY freaking loud pop.

2.) when i cranked the throttle... nothing for about .5 sec then all of it at once....

3.) when i started my bike and warmed her up i heard a distinct "ting ting" noise like a 2 stroke.... it went away after a couple minutes but that concerns me as i have never heard it before...

ideas?

(FWIW the PO seems to have gotten rid of the "decelerator cable" that goes into the throttle) I discovered this when i changed handlebars. this a bad thing since the spring on the carb seems to return after i let off the throttle anyhow?

thanks!!!
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post #2 of 5 (permalink) Old 08-26-2009, 12:52 PM
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I'm assuming the bike ran great until yesterday? Ran great after marbling etc.?

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post #3 of 5 (permalink) Old 08-26-2009, 01:29 PM
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Start with the obvious and replace the missing cable. Next look into the TOC ACCT rebuild, it should get rid of the ticking you mention with #3. I found that rebuilding my ACCT's got rid of a lot of poor performance, drivetrain noise, and vibration from the cam timing being off.
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post #4 of 5 (permalink) Old 08-26-2009, 01:29 PM
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start with wire connections grounds , then to the safty switches .... i dont have a return cable myself and all it is is a return ow its kinda like cruise controll



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post #5 of 5 (permalink) Old 08-27-2009, 07:57 PM Thread Starter
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ran good yeah, but never quite got rid of all the popping. i think i need to test the exhaust for leaks... PO put on aftermarket pipes...
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