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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Hatori 970 on a YS91?
10-14-2005 06:42 PM  12 years agoPost 1
MJA

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UK

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Has anyone tried a Hatori 970 on a YS91.I've heard using tuned pipes
rather than mufflers/ tuned mufflers don't work very well on the YS's,what happens exactly?I have a MPII on it at the moment but was thinking of trying a 970,will i be wasting my time?

Martin

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