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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Hatori Mufflers..I bought one used a very long time ago.. Is there anyway to tell...
12-28-2010 04:31 PM  7 years agoPost 1
hindsight

rrVeteran

Texas..

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Which engined it was made for.. OS or YS...??? Any markings that would allow me to tell which kind I have

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12-28-2010 04:51 PM  7 years agoPost 2
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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50 should fit on both or 90 should have come with an adapter to fit on both.

Team Synergy, Rail blades, Team Scorpion, V-Team

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12-28-2010 05:32 PM  7 years agoPost 3
rudyy

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E. Amherst, NY

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need to see the picture ...

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12-28-2010 06:04 PM  7 years agoPost 4
hindsight

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Texas..

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What I am asking is How do I know if it was made for the OS engine or the YS engine....

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12-28-2010 06:10 PM  7 years agoPost 5
rudyy

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E. Amherst, NY

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They would fit both except I believe the Hatori 523 for Redline 53 engine.

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12-28-2010 09:46 PM  7 years agoPost 6
Ron's RC Helicopters

rrNovice

Corpus Christi, TX

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You can tell by measuring the distance between the mounting holes. YS and OS are different. Do you know what size engine it's for? 30-46-50-60-90?

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12-28-2010 10:14 PM  7 years agoPost 7
Anthony.L

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Seattle, WA

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The headers will be different for YS vs. OS. What about how to tell which pipe you have exactly. I think the only way is to go to Hatori's Japan site and compare the exact measurements.

Now this might not work 100%, since some pipes had identical externals but different internals.

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12-28-2010 11:22 PM  7 years agoPost 8
hindsight

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Texas..

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Thanks guys. It bolts right up to a 90 os... I just hope its tuned for it... It should be...

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12-29-2010 02:59 PM  7 years agoPost 9
ronlund

rrApprentice

Corpus Christi, TX

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The 60 and 90 have the same bolt pattern. If it's a 60 muffler, it doesn't have enough volume to work well on a 90. How long is it?

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12-29-2010 03:37 PM  7 years agoPost 10
JWatson

rrKey Veteran

Mustang, OK

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If its the one you had in the shop it was an SB-18.

Jarrett

Jarrett Watson
http://jarrettrc.wordpress.com/

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12-30-2010 12:54 AM  7 years agoPost 11
hindsight

rrVeteran

Texas..

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Thanks jarret.. It was not the one in the shop... That I bought new and know what it was.. It was one I had in a box filled with junk.. I got it used some time ago.. Gonna bolt it up to a trex 700 I am building..I think I am just gonna fly it.. It bolts right up to the 90 motor..

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