7:30 AMMr. Luddite
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I know that Harley has had a more difficult time meeting emission
standards with their air-cooled engines but are still managing to
do so on many of their models. Some have liquid cooled (oil) heads
and air-cooled cylinders. All new Harleys (since 2008 I think)
have catalytic converters in the exhaust systems.

The Suzuki I have is a 2008. It's liquid cooled, has a catalytic
converter and is fuel injected.

..........

Maybe be the restrictions are a bit less than automotive because there’s a lot less bikes than cars and mainly seasonal. Beats me. I thought 2strokes were going to be snuffed but that’s the normal power choice for chainsaws and weed eaters