Originally Posted by
John_M_
I took the choke off and just used my finger (pinky) through the front hole in the cowl... Don't know how well that rubber button will hold up to gasoline... the boxers spit a lot of fuel out the carb when run on glow fuel, on gas that should be reduced quite a bit... I don't know what that button is made of, but its not silicone, possibly soft vinyl.
The OS and ASP choke seem to hold up well with gasoline use.
In fact, on my twin the ONLY rubber part I replaced was the HS needle O ring. everything else ((carb neck seal, LS needle O-ring, and the branch seals that seal the intake runners to the T-junction are still original and hold up well.
67 Runhours now...