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Discussion Starter · #1 ·
Anyone have a good way to test an oil pump on a Fuji 488F
Is it possible for only one side to fail?
 

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A failed pump would not deliver oil to both carbs.. might be good to change out the oil lines.. is this the same sled in your other post the 488f??
 

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Discussion Starter · #3 ·
scumpman said:
A failed pump would not deliver oil to both carbs.. might be good to change out the oil lines.. is this the same sled in your other post the 488f??
Yes, its the same sled. I will be tearing into things soon, I need to find out why this piston failed before replacing it. The sled sat for over 4 years before I purchased it. What might happen to the motor if it sat with no attention for that long? The sled idled and started with 1-2 pulls(dead battery) the garage smoked to beat the band....hard to believe both cylinders were not getting oil.
I didnt see any sludge in the oil resevor before adding new polaris synthetic.
 
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