OS 1.40 X

[Jeff Hughes]

I just put new bearings in mine a couple of weeks ago. Noise was my 
first indication of bearings and you could feel roughness when you 
turned the engine by the spinner, then finally, trim changes to keep 
it idling, never really affected midrange or full power. The sleeve 
just slides straight up once the head is off.

Jeff


> OS 1.40 RX.   I know this has been hashed and rehashed, but how do 
you get the sleeve out of this thang?     
>  I had a couple of dead sticks yesterday and this has been a 
flawlessly performing engine till then.   It went lean on me on one 
flight and seemd to load up in mid range then died.  Put in a new plug 
adjusted needle and flew again.  This time died at midrange after some 
extended run time at lower throttle range.  Checked all fuel lines and 
filter, OK.   Pulled engine out last night and opened it up for the 
first time and it looked squeeky clean... a little green from the Cool 
Power ful but clean otherwise.  So I am going to replace the bearing 
while it is open.  I have about 100+ flights on this engine now.
> Is this type of running problem indicative of bearing failure?
> 
>  Wayne Galligan
> 

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