Have a stange new thing start hapening this week..
When i´m driving above 30 miles/h speeds and give it to much trotel the Engine starts pounding,
Whene i ease the trotel it disapers. when i use the trotel slowly and easy= no problems
feels like mix is to leen... i`ve tried to upp and down on main, pilot and nedle, but no diffrence..
Have i destroyed the bearings allready?? I know that mainshaft bearings there set upp i bit lose..
Anybody recognice this?
Engine is a new build: 4 7/16 stroker, mikuni 34, std cams, 5 alu heads, comp is about 6:1 , 85 psi
Have had some problems with jetting the mikuni, now it is : 200 main, 30 pilot, 6dh4 nedle,