push rod tube retaining wire...

[chachi]

...

[Westy78]

I was going to say yes but then realized I wasn't 100% sure. Didn't want to give any wrong info.

[Randy in Maine]

I think they only list one....but I don't know for a fact that is 100% correct.

[chachi]

...

[chitwnvw]

I liked the question, but was out of my depth...boggled my mind. I suspect the barrels got bigger, then the crank dug deeper, but everthing else remained the same. But I am pulling that from my butt.