Question about 2001 kawasaki VN 1500 Vulcan Classic

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What's causing a hesitation on take off ? - 2001 kawasaki VN 1500 Vulcan Classic

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The K-tronic ignition system on these bikes has very little advance until the engine is turning over 2000 rpm. this makes them sluggish at best on takeoff. the carb is also built with a very lean low side jet that is for all intents and purposes non adjustable. the best one can do is tear it down give it a very thorough cleaning making sure all passages inside are spotless. get a quality rebuild kit and replace everything in the accelerator pump system to be sure you get a good initial charge of fuel when you open the throttle. at best you may still get a lean condition until the engine is warmed up unless you keep playing with the "choke". one may do or have a re-jet job done that will give a bit more response and power boost but at a significant fuel mileage loss which for me is not worth it as these big boys don't get very good mileage to begin with and would lead to more frequent fuel stops.

Posted on Jul 04, 2014

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