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ChapaWolf · 10-07-2014, 08:30 PM

Ok I recently swapped my Os91HZ-r out for the Os105HZ-r. On the 91hz was the powerboost and for the 105hz I got the Sab-22 from Hatori. Anyway I loved the 91hz and was hesitant to by the 105 I was reluctant because the 91 worked great and .25 horses was negligible to me.

I just broke it in with 3 gallon on it now and I am happy as I've ever been. The increase in power is one thing I like but the 105 is about half the noise, it is virtually vibration free, I increased my collective at least 1°, and it is soo easy to start.

If you were on the fence pull that trigger the 105 will put a huge smile on your face.

datatools · 10-09-2014, 10:28 AM

I have a Rave 90 with OS 91 Speed engine (with regulator) and an N7 with OS105 (non-regulated). The OS105 pulls much stronger and starts easier. Its a great engine for sure!

10-07-2014, 08:30 PM	#1 (permalink)
ChapaWolf Registered Users Join Date: Sep 2012	N7 105hz-r Ok I recently swapped my Os91HZ-r out for the Os105HZ-r. On the 91hz was the powerboost and for the 105hz I got the Sab-22 from Hatori. Anyway I loved the 91hz and was hesitant to by the 105 I was reluctant because the 91 worked great and .25 horses was negligible to me. I just broke it in with 3 gallon on it now and I am happy as I've ever been. The increase in power is one thing I like but the 105 is about half the noise, it is virtually vibration free, I increased my collective at least 1°, and it is soo easy to start. If you were on the fence pull that trigger the 105 will put a huge smile on your face. __________________ *Synergy 4eva*

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10-09-2014, 10:28 AM	#2 (permalink)
datatools Registered Users Join Date: Aug 2013	I have a Rave 90 with OS 91 Speed engine (with regulator) and an N7 with OS105 (non-regulated). The OS105 pulls much stronger and starts easier. Its a great engine for sure!

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