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Help
I brought my HPISavage 25 to the hobby store because it wouldn't start since it wasn't driven in 5 years. It worked fine while it was there but when I got it home it wouldn't drive as fast as it was. I left it alone and came back the next day and it starts but cuts off seconds later. Now the flywheel is stuck. Why won't it drive as fast and how do I get the flywheel unstuck?
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RE: Help
It's most likely slower because the Hobby Shop owner tuned it for max performance. The weather has now changed and as it's cutting out, it may be too lean. Lean can cause sluggishness, but too rich is more common for running sluggish. So either way, it sounds like your tune is off.
The flywheel is most likely stuck because the piston was left at the top of the cylinder bore when the engine shut down. The cylinder cools off and shrinks locking the piston in the pinch area. Use a little more force to rotate the flywheel or try heating the cylinder head with a hair-drier first. Let's hope it wasn't tuned too, too lean and the rod broke jamming up the engine................... |
RE: Help
ORIGINAL: Argess It's most likely slower because the Hobby Shop owner tuned it for max performance. The weather has now changed and as it's cutting out, it may be too lean. Lean can cause sluggishness, but too rich is more common for running sluggish. So either way, it sounds like your tune is off. The flywheel is most likely stuck because the piston was left at the top of the cylinder bore when the engine shut down. The cylinder cools off and shrinks locking the piston in the pinch area. Use a little more force to rotate the flywheel or try heating the cylinder head with a hair-drier first. Let's hope it wasn't tuned too, too lean and the rod broke jamming up the engine................... after you free it up put your piston to the bottom (take out the glo-plug and shine a light down it while looking) and make a mark on yout flywheel with a marker at the top, and make sure you always put that mark at the top when your done. That will prevent something like this from happening again, and your engine should last longer |
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