XRAY - Model racing cars

Your LSN is slighly lean. Richen it maybe a 1/4 turn.

Ok, one other thing, Im getting a lot of residue on the rear arms, how cann I alleviate that? Almost like too much fuel is coming out, but I dont know if I want to lean out the HSN again.


When I richen the LSN, what should I do to not make it bog down when I gun it? I dont hink it does that now, in fact I know it doesnt, but in case it does when I richen...

Check the fitting of the exhaust to the motor, most garbage comes from there.

Residue from exhuast is because you're rich. Tune at 1/16 turn w/HSN, the adjustment is so close being small CC's. Same with the LSN Remember the LSN will only effect 0-1/4 throttle. 1/4-WOT is the HSN. The last thing to adjust is LSN, after you adjust HSN till you have good accel to idle.

Ok so do you think I should leave my LSN alone until I lean out the HSN then?

Lean the HSN till you accomplish good accel to idle with 1/16 turn cw( to lean). Once achieve that, If it stay with hi idle, Turn your LSN CCW 1/16 turn, or till idle speed drops.