If so, do you know what size allen wrench i need to adjust the throttle resistance? The top two screws on either side of the twin throttles 

 

Thanks so much in advance and I know this isn't the best place on the forum to ask, but its the busiest and im desperate! 

 

Thanks again! 

Edited June 25, 2025Jun 25 by JughedJones

Thanks so much for all the views, I know this was a really tricky question in the wrong place of the forum 

 

I tore my house apart and found an Allen wrench that did the job!   Thanks everyone gor clicking!  

 

Safe landings!