Hatori SB-23FH Nitro Pipe Set (YS 120SR)
[HATSB23FH]

Average rating: 1 of 5 Stars!

Hatori SB-23FH Nitro Pipe Set (YS 120SR)
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Kenneth Graves - Rating: 1 of 5 Stars! Monday, July 28, 2014
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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