Originally posted by markp27
Here's a question for our Mugen Super Grease expert...(that's you D 
)....would smearing the grease around the interface between the engine and the carb housing create an air-tight seal?
Would it run due to the heat of the motor?
Just a thought.
Cheers, Mark.
Mark...I wouldn't do that. Most motors have the oring below the carb clamp and air leak shouldn't be a problem. The older motor only had the oring at the base of the carb. Back then you could have leaks from the carb clamp.