Author Topic: dolmar 421 or/even 420  (Read 668 times)

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Offline 660magnum

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Re: dolmar 421 or/even 420
« on: December 18, 2013, 09:32:07 pm »
I had a 6400 and a 5105 and both had catalytic mufflers. I replaced both mufflers with the earlier non catalytic variations instead of dealing with modifying the catalytic type mufflers. They just look like the earlier model chainsaw with a later model number on it.

The chainsaws didn't run noticeably any faster with the stock non-catalytic muffler but weighed a lot less.
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