2 & 1/2 turns on the HSN, 1 & 3/4 on the LSN is what I would say factory settings are, or close to. It will idle rough, but it will idle, you will have to turn the idle set screw in 1/4 turn at a time untill it does idle. I cant find any info on this engine or its label "Hobby Pro .18CX" and I diddnt get any guide with mine... But I diddnt have any troubles getting it to run. I found it munches glow plugs if there not the proper heat range for your nitro... Medum heat plugs should work the best with the 20%Nm I use. It eats high heat plugs like crazy on 20%Nm...

It's a strong engine, I broke it in on a on-road car using the modern method by heating it and cooling and heating it more... Drifted around for 8 tanks during break turning the HSN in 1/16th to 1/8th of a turn (respectivly) after every tank till the smoke backed off but not all together. It still hadda nice trail of smoke when I felt I was just a bit rich from perfect tune. So after the great runs with the car I stuffed it im my Tmaxx and it was doing wheelies like mad. The pinch was excellent, the compression can get nasty if you flood it and will damage the recoil, it will eather pop off the pull cord handle or slip off the spool, but that only happened once each so far for me. The only big thing you hafta keep your eye on the carb seal, the carb loosens off after 1 or 2 tanks and you need to re-seat it and tighten it down. It will run great under throttle, but it will stall on idle, and thats the sign of the carb comming loose. My carb came loose and I diddnt know it cuz it runs great if you dont let it go to idle position, I was no-stop racing back and forth on the lawn and snapped the connecting rod... Now Im ukered cuz I cant find anyone thats even heard of this engine, let alone help me get parts.

Anyone here know of any way to get parts for this enigne?