Motor ingested dirt!!!!! - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 04-23-2011, 10:02 PM   #11
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I am: Nicholas S.
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Originally Posted by Dave Henry View Post
I don't recommend the abrasive break in technique!
Don't worry, my next motor will use the regular brake in technique.
Nicholas Schweiger

On temporary back soon!
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Old 04-23-2011, 11:36 PM   #12
imported_Nitro Newf
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Originally Posted by Nick411 View Post
So as i was doing some post practice day maintenance, i noticed that the air inlet tube was torn, so i took it apart and there was a bit of dirt on the ventury, i opened the motor up and there was a small amount of what seemed to be like sludge on the piston, so i cleaned it out with motor spray and everything seemed fine until i checked the pinch, i can turn the motor over by hand but there is still some pinch, the worrying thing is that this motor is only about 3/4 of a gallon old.

Is this motor ruined or is it still good?
I have one engine that stalled because the air filter came off and enough dirt got in there to STOP the engine. I ran that engine for another gallon after disassembling & cleaning it. Obviously it didn't run 100% but it ran. Sounds like yours has a lot less dirt in it than mine did. One place to look for "dirt" damage is under the crank where the inlet is. When you have the crank out and the carb off, look down through the inlet and see if the block is gouged.
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