Thanks for the above info chaps. Have increased the idle and reset the clearances. Flat spot seems to have (mostly)gone. It's still apparent if i floor it from a stand-still but when driving round the track you never notice it. As a trade off, i have now developed an issue where by the engine...
Thanks for that Landuse.
Do you think the valve lash would be the cause the flat-spot at low revs?
I've advanced the flywheel by 4 degrees. Could that be the cause? didn't think it would be an issue as it seems like quite a popular enhancement.
Hello,
Newbe Ty here.
Myself and a few friends have our own kart league. We have a private (real tight and twisty) track. Basic rules of engagement are GX160 (or clone) engine and thats about it. (nobody is allowed to be spending silly money with billet stuff)
Now, i've built a kart using an ond...