Thread: CF650 flat spot? on 2800-3000RPM
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#1 CF650 flat spot? on 2800-3000RPM
- Join Date
- Jun 2013
- Location
- Hanoi, Vietnam
- Posts
- 182
03-06-2014, 12:59 PMI have had like flat spot in about 2800-3000RPM it works smooth under that and over that. but if I hit that magic rev zone bike will start to stumble/sputtering.. it feels like.. hell not sure.. if you rev fast from idle to higher RPM range its ok.
If I just rev engine and try to hold it 3000rpm you can clearly hear exhaust making sputtering noises.
but it's not stick coils as I did try different ones already,cleaned the tank pump.. lots of rust btw... :/
It also has new fuel inside (as I did run it empty by accident, if bike can't hold idle.. do check before taking tank off that there is fuel in the tank.. )
This problem has been already long time and really start to annoy me only if I am in traffic and have to hold that speed :) really hate that sound and jerkiness of the bike at that moment.
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