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HelicopterHIROBOOther › Installing YS 91SR in an EVO 90
11-29-2007 02:02 PM  9 years agoPost 1
ehaga

rrApprentice

Bærum, Norway

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Hi,

I am installing an SR in my Evo 90. In the manual they point out that I should remove the washer (that comes with the engine) and use the washer included in the Evo-kit.

The washer in the kit is a little bit thicker than the washer included with the YS, and it does not fit under the small "bit" which you put in the shaft.

Should I use the washer included with the engine ???

Regards

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11-29-2007 02:45 PM  9 years agoPost 2
MRC-Hirobo

rrKey Veteran

Edison, NJ

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Use the washer included with the kit. That washer is to a specific dimension to allow the fan to seat and center properly.

The small "bit" is that the key you are referring to? If so, you do not use the key or "bit" as you may be referring to it. The collet clamps the crankshaft.

Good Luck
jeff

MRC Host

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11-29-2007 02:45 PM  9 years agoPost 3
shlm

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West Chester, PA

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I did not recall having a problem using the stock washer with my SR with the stock fan hub.
The washer in the kit is a little bit thicker than the washer included with the YS, and it does not fit under the small "bit" which you put in the shaft.
I am not sure am following you here.




Steven B.

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11-29-2007 02:46 PM  9 years agoPost 4
tadawson

rrElite Veteran

Lewisville, TX

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I think by "bit" he is referring to the woodruff key. If that is the case, then you don't want that washer, at least not if you need to use the key . . .

- Tim

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11-29-2007 03:56 PM  9 years agoPost 5
ehaga

rrApprentice

Bærum, Norway

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Hi,

I am not using the stock "fly wheel". I uses the OPTION FREYA FLY WHEEL (0404-715). Then I have to use the "woodruff key" (I don't know what it's called!!)

Regards

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11-29-2007 04:07 PM  9 years agoPost 6
MRC-Hirobo

rrKey Veteran

Edison, NJ

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Actually the stock Evo 90 hub centers up better.

But yes if you are using the 0404-715 hub, use the washer that comes with the engine. You will not use the collet, just the top hat upper washer and engine nut.

Good Luck.

jeff

MRC Host

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11-29-2007 04:36 PM  9 years agoPost 7
ehaga

rrApprentice

Bærum, Norway

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Thank you

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HelicopterHIROBOOther › Installing YS 91SR in an EVO 90
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