Boggin of the line

[tundish2800]

I have 4mm stock cylinder aggressive dune port, cpi inframes,vf3s, cool head 17cc domes cut for the stroke,k@n pods,34mm pjs with 158 mains and 52 pilot with the clip at the second clip of the blunt side. Im at 600 feet of elevation with the temp in the mid sixties. Any ideas why??

[4strokekilla1987]

i had a problem like this not to long ago have you check if ur carbs are dirty?

[lowbuckracing]

Do you have any timming done?

[tundish2800]

My timing is +8. i just pulled my carbs apart and cleaned them

[bry]

My timing is +8. i just pulled my carbs apart and cleaned them

i have the same problem i got 40 pilots and 155 mains when you nail the throttle it bogs then it rips your head off when the powerband hits ???? im bummed on what to do??34pjs 4mm+4 timing

[tundish2800]

i have the same problem i got 40 pilots and 155 mains when you nail the throttle it bogs then it rips your head off when the powerband hits ???? im bummed on what to do??34pjs 4mm+4 timing

I'm going to retard the timing on mine tommorrow and see if that clears it up.Bry when you choke it does it clear up?

[bry]

i cant choke it my chokes are all the way up to get it to idle right and i have to leave the air screw all the way in ??

[tundish2800]

my air screws are 1.5 turns out.