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05-21-2007 10:14 PM  13 years ago
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PilotCK

rrVeteran

Scottsdale, AZ

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YS 50 Update
Well, I was able to fly about 15 flights on my new YS50ST Engine. So far I am satisfied with the power with both low and high end. I had replaced this with my OS50Hyper (Raptor) as a comparison and found that the YS has a bit more low and top end then the OS. I know it sounds bias since the spec sheet is the same as the OS (fairly), but I do see and feel a difference with the new motor.
I am also running the CYB Muscle pipe and 30% Magnum Fuel. I can hear that the sound also is a bit different from the OS, seems to run a bit leaner as well. I am about 1.3-1.2 clicks out on the high end after break-in and low end needle hasn't changed from stock.

So over all I am very satisfied with the purchase of the YS engine, I will also be swapping back to the OS for comparison again but so far so good.

If anyone would like to add some feedback with their experience so far with the YS50(US, since new in the states) please post.

~Team Collective Mayhem
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05-23-2007 01:44 PM  13 years ago
blade3d

rrElite Veteran

New Jersey USA

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Do you use a header tank ?Blade3d
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05-23-2007 03:41 PM  13 years ago
PilotCK

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Scottsdale, AZ

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Yes, Header tank on other side.. I have tried both with and without on the YS and no difference in performance.~Team Collective Mayhem
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05-23-2007 09:11 PM  13 years ago
Gearhead

rrMaster

Vt

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I'm not disputing your findings here,, but I am now on my 3rd OS Hyper 50, I have not yet started this 3rd motor yet, I hope to tomorrow,,

what I am trying to get-at is there was a difference in power with my first 2 Hypers (same muffler and 60B carb),, and (with glow plug removed) this 3rd Hyper turns-over much smoother than my first 2 Hypers, I'm very interested in seeing how this 3rd motor performs ..

Jim
Jim
Buzz Buzz Buzz
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