The ST G90 likes to have the "it's own way".
<ul>[*]The G90 likes LOW nitro percentages - many happy owners recommend 0% or 5% and will argue to the death. Diehards for sure.[*]The needle's cat's eye needs to be aligned with the throat of the carb. see pic 1.[*]Have a spare throttle linkage because they are CHEAP.[/list]There a MANYhappy G90 owners out there.

pic 1 - my G90 "inna box"
pic 2/3 - part explosion

Get a couple of #4's - if you have a spare you'll never need it. Just like the guys who take a 30 gal. trash bag to the field to ensure that they will NEVERneed it. How UNTRUEthat is. My LT-40 didn't need the bag but it needs repair - bad battery pack.

For more info check the Glow Engine forum - might even be a Super Tigre sub-forum. Check it out.