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608KEB

P220 G ?

By 608KEB, in Engines

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608KEB    794

608KEB
Posted

What should the spark plugs be gapped at for a Onan 20hp 220G engine? I have Champion RS14YC spark plugs.

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JackC    616

JackC
Posted

.025 INCH per the Gods of ONAN (Operator's manual).

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nylyon-(Admin)    7,129

nylyon
Posted

What I found interesting is that the manual for my machine calls for RS14YC gapped at .025.  The interesting part is the original plug was RS17YX gapped at the same .025.  First time i replaced the plugs I bought RS14YC and was not pleased at all with the way the tractor ran.  After a VERY short time, I went back to RS17YX and was back to running smooth once again.

 

I believe that the OEM plug for the Onan P220 is the same RS17YX just throwing it out there.

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