Well they definitely improved vastly compared to the apex ...that sled was a handful to ride forsure. At least they have made attempt to get back in the running with incorporating the cat chassis with their motor. Hopefully in the future there able to get the 4 stroke to comparable weight....they would sell a pile if the technology is able to get them there.
I see that some engine makers are playing with electrical solenoid driven valves...this allows for precise tuning ability, no cams, chains,gears ....not sure if the weight savings would be there , but some cool technology advances. (Not that this is a new idea)
I see that some engine makers are playing with electrical solenoid driven valves...this allows for precise tuning ability, no cams, chains,gears ....not sure if the weight savings would be there , but some cool technology advances. (Not that this is a new idea)