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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › OS91-HZ Muffler questions
12-28-2010 11:14 AM  7 years agoPost 1
Evil_Homer

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Cubbington, Warwickshire, United Kingdom

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Just removed a OS91SZ from my Synergy, bearings packed up and the piston is damaged. I was running a Hatori 939 muffler and a cline modified 60M carb.
I have moved the 60M over to an 91HZ as this carb has been awesome on the Synergy.
Regarding mufflers, I have an MP6-90 spare, which would be the better pipe, sticking with the Hatori 939 or changing to an MP6?
Thanks

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12-28-2010 05:07 PM  7 years agoPost 2
mylee

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Rochester, UK

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I ran the SZ cline on my Rappy 90 with the hatori with great results. I've now moved over to a N9 with a HZ and MP6 - seems just as good to me!

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