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Hatori SB-23FH Nitro Pipe Set (YS 120SR)

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This is the Hatori SB-23FH Nitro Pipe Set. This tuned muffler has been developed exclusively for the YS 120SR. Maximum power is available in the 13,000-16,000 rpm range. When your rotor speed and gear ratio are set for 16,000rpm during cyclic load conditions, this pipe will allow the engine to hold the intended rpm.

NOTE: 16,000 rpm is the maximum rpm range recommended for this pipe. Operation at higher rpm's is not recommended and the increased vibration is likely to damage the pipe. This damage can be identified by the manufacturer and is not covered under warranty.

This product was added to our catalog on October 24, 2011.

Kenneth Graves
I have this muffler on my YS 120. I have ran 3 gallons of fuel through the motor. The muffler started cracking all around the attachment on the manifold area. I called Hatori and let him know. I was told you can't run over 16,000 rpm. This is on a TSA 700 Nitro w/ stock gears at 1850 and 1950 head speed which puts RPMs and 16,400. I called A Main Hobbies. I was told to take care of my problem thru Hatori. Hatori will not honor warranty. Hatori said the YS is a rough running motor. Buyer beware!

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