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YS120SR Helicopter Engine
There are many people complaining about vibration and diffic ..
5 of 5 Stars!
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  Top » Catalog » Engines & Parts » YS 120SR/120SRX and PARTS » YS0076 » Reviews
YS120SR Helicopter Engine
[YS0076]
 $469.99 
by Sebouh Babahekian Date Added: Sunday 23 March, 2014
There are many people complaining about vibration and difficulty in adjusting. I am using the 120 with 30% and 90 muffler. I find it smooth extremely powerfully and easy to tune. The trick was adding an additional shim under the head.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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100-451 M4 Nylock nut
 $2.50  $1.25 
Horizontal Stabilier/Fin Mount: B450
Horizontal Stabilier/Fin Mount: B450
 $2.84  $1.99 

115-318 Tail pitch slider bushing
 $4.00  $2.00 

110-227 Tail Pitch Servo Pushrod 2.5x4x280
 $5.50  $2.75 

115-140 Tail Boom Aluminum/Black
 $25.00  $12.50 
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