As of late, I've been tackling the saws I'm either not as fond of or have had less than stellar luck with. This time around it's the 75cc 372XPW topend. My goal was to find the power in this topend that should be afforded by those extra few ccs. The 75cc cylinder has a few disadvantages that make it a little more difficult to get the kind of results from that I demand. As a result, I've also chosen to work with the standard 71cc variety. I've picked up some new tricks on other recent projects and realized that they should apply here. There was only one way to find out. TRY IT! And that's exactly what I did. I couldn't be more pleased. This saw is 11% stronger, averaged across the entire powerband. That's disproportionately more than the cc advantage would suggest. I couldn't be more pleased. Additionally, this saw is on it's very first tank of fuel, only having been run a couple cuts to tune it before making this video. It's a brand new saw. Also, it's only running a single port muffler where as the 71cc has a triple port muffler on it.
Take a look for yourself.
71cc
75cc
Take a look for yourself.
71cc
75cc