K301 Piston and Rod.

Dave Sherburne NY · Feb 13, 2013

I've got parts coming hopefully tomorrow for this engine. I see marks on the rod that go toward the flywheel during reassembly . I see no marks on the old piston. Does it make a difference which way it goes on the rod?

David G · Feb 13, 2013

Check the crank, they get out of round.

Traper · Feb 13, 2013

Dave
If piston is round at wrist pin direction either way.If flat must go one way just ran into this on a k241 traper

Anonymous-0 · Feb 15, 2013

If you are replacing the piston, I think the new one will be marked. If you want to re-use the old piston and its still on the rod, mark it with a scribe or a center punch.

If you are trying to re-use the old piston, be sure your rings fit the piston. Parts book shows 'early' and 'late' but fail to say that early is .096 width compression rings and late is .063 width.

As far as the rod goes, the oil hole goes toward the camshaft. This should put the marks you see on the flywheel side.

Greenday · Feb 17, 2013

David G is right. Have the crank checked. These engines dont tolerate much wear on the crank before you will start getting a faint knock.

K301 Piston and Rod.

Dave Sherburne NY

Well-known Member

David G

Well-known Member

Traper

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Anonymous-0

Well-known Member

Greenday

Well-known Member

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