Originally Posted by
scurr
It sounds like it hesitating for a brief second and then clears and then fine, I was not happy with my original tune so I started again from factory settings and now the low power band is 10 times better than before and the car seems to fly with plenty of smoke. Just wondered if was due to WOT for a short while.
The engine is still pretty new and I am only on the second plug running 25% so overall I am very pleased with it
May be just a whisker lean on the top end. Give it an hour richer and see if that gets rid of the hesitation. If it's pretty new it may still be a little tight, and too lean on the top may cause a little lean bog. Check your fuel lines and tank lid seal etc for any leaks too if richening the top end doesn't solve the problem.