Originally posted by pttf
well the LSN is at about 4 and half turns but i stuck it at 5 turns out. Not too sure about the HSN. Yes the engine is brand new. just wondering what are shims? never heard of that term?
4~5 turns out should be ok. Check the back pressure. It must be something wrong. fuel tank? tank's cap? presure line? tuned pipe? gasket? Or you lean the HSN too much?
This engine comes with many shims. After break-in you need to take out some shims. 25%+ 0.4mm;20%- 0.3mm.
Regards,
Dino