Stihl 650 mods.

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DustyH

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I seen on a thread a while back that a guy was modifying mufflers with a stainless exhaust pipe. Anyone know who that is? If I do a muffler mod. can the carb. be adjusted by the hi/lo screws or is it more extensive than that?
 
You'll have to pull the limiter caps off the carb.. They limit adjustment to a fraction of a turn. You'll need more.

That's Scott Wojo that did those mods, but you can use a factory dual-port muffler cover.

Fred
 

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