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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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Old 08-07-2007, 07:16 AM
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Default FMF Turbine Core 2 DB

Anybody know the average decibels emitted during standard testing for a properly packed FMF Turbine Core 2 DB on an EC250?


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Old 08-07-2007, 08:53 AM
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Quote:
Originally Posted by sanderjavant View Post
Anybody know the average decibels emitted during standard testing for a properly packed FMF Turbine Core 2 DB on an EC250?
I have an '04 DE250 and blew a 94db last month.
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Old 08-07-2007, 09:25 AM
AZjg AZjg is offline
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05 DE-250, blew a 94 @ last two races. jg
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Old 08-07-2007, 06:24 PM
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04 DE300 92db
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Old 08-07-2007, 08:31 PM
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Thanks guys. I just bought the bike and repacked the silencer as a part of the preparation for an up coming ride. I have to be below 96 db but it doesn’t seem that quiet. I even went with the FMF Turbine Core II Q Pillow Silencer Packing.
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Old 08-07-2007, 09:01 PM
Brian VT Brian VT is offline
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These tests seem to be inconsistent. Warm your bike up 1st and stand on the right side during the test to keep engine/pipe noise out of it (if they'll let you).
I've got a "db snorkel" on mine and have still been getting some high readings. Most of those were, I think, because they didn't have a tach. or because the book didn't have an r.p.m. listing for my bike.
Last weekend they had a tach. and the r.p.m. spec for my '03 EC300 (3490, I think ?). I stood on the right but they asked me to sit on it. They controlled the throttle and I blew an 86, f.w.i.w.
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Old 08-09-2007, 07:24 AM
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Proper test procedure is the rider on the bike, using a tach and tester controlling throttle.
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Old 08-09-2007, 02:42 PM
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06 EC300 stock fmf TC sparky,blew an 89 at the last enduro
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Old 08-27-2007, 07:58 PM
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I tested at 91 db. It sounded loud but that's what the meter read.
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