Maintenance & Technical > KX500 Original
Just bought a mint 2003 K5 today, not as much power as expected?? have pics :)
93cbra:
yeah 32:1 I'll try higher
93cbra:
Maybe it has a heavy fly wheel on it? The bike runs perfect, just doesn't seem to have the explosive power in 3rd and 4th like you guys describe. It will definitely wheelie up in 3rd and 4th if I want it too (goose the throttle) but I can also sit forward and roll the throttle till wide open and still keep the front down.
Polar-Bus:
--- Quote from: 93cbra on September 20, 2009, 12:38:17 AM ---yeah 32:1 I'll try higher
--- End quote ---
ACK !!!! you are drowning that engine with oil. I prefer 42:1, and I use Klotz R50 full synthetic. You also may be experiencing just a "loaded" engine all saturated with excessive oil and fuel in the crankcases. Try to find a nice LONG dirt road, and hold that bastage WFO, and listen and feel.... if you hear the rpm's lag, then slowly start to "clean out" now you are making peak power!
93cbra:
I tried that last weekend, upped the ratio and held it wide open for some good stints. Still doesn't have the power. The bike runs perfect, compression seems fine (after about 5 kicks I get 155lbs). I'm thinking that my power valve isn't working. I pulled the cover and it does move but maybe the linkage up in the port is broken (the lever moves a lot earlier than I would think, if I just give it a few RPMs of throttle the power valve lever moves). I'm going to take the exhaust off this week and see if the power valve is actually opening.
Uzi9mm:
Is the air filter over oiled?
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