090 choke
Hello again robert,
Huskyman's right, thats one of the earlist modern saws. I think they called it the lighting at first. the 090 is still sold in russia., china, and, south america. saw a show about the brazilians cutting down all the timber in the rain forest and the fallers were using 090 stihl's.Your 090 isn't the latest model but its the one before the latest. you can tell by the handle mounts.
to remove the choke link remove the rear cover thats over the carb. you will see a link going from the choke linkage down to the governor vane. just remove the c-clip and take the link off and install a carb spring to hold the choke in the open position. I've had some that begin pulling the choke on at 8500 rpm. it makes a big difference on a 090
On your 088 when you get 4-5 tanks thru it it will begin to really run faster Stihl runs about .001 thousand smaller piston to wall clearance than the other saw makers so they take longer to break in
for good square chain and chain sharpening in your area contact steve melzer, (z4lunch) he's got a simington grinder and grinds some nice square chain and is very reasonable.
Ken