Idle and rpms - KTM Forums: KTM Motorcycle Forum
 
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post #1 of 2 (permalink) Old 09-29-2016, 05:30 PM Thread Starter
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Idle and rpms

Crazy question, 640e has not tach, how do I know what the ideal rpms are during the idle adjustment using the knob. I have it turned it all the way and the bike will not idle without some choke. Loaded question and I am now certain the carb needs cleaning or rebuild.

Thank you
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post #2 of 2 (permalink) Old 09-30-2016, 08:07 AM
DW
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Location: Rum City, Qld / Australia
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Definitely sounds like a blocked idle jet. Has the bike been sitting a while?
As for a rev counter, You can use a digital timing light on the plug lead, but not everyone has one of them lying around?
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