L1500 piston

[aussiejeff]

Hi all, having blow-by issues with my l1500, considering installing +.5 oversize pistons. Having trouble finding them for the Z750 engine, does any one know if other engines have same pistons which will fit? supplier recommendations.

Regards

 

[Russell King]

See this thread. Somewhere is a cross reference between the models.

I remember the L1500 is similar to the L175 or L185 but can’t recall which one.

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[North Idaho Wolfman]

You would be much better of to resleeve it and have it brought back into spec.
Boring out a cylinder .5mm has its risks.

But if you want to risk it and cheat:

buy Overhaul Rebuild Kit for Kubota Engine Z750 Tractor L175 L185 L1501 L1500 Excavator KH-18

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[aussiejeff]

Thanks for the replies, I have a full rebuild kit planned in several months but i wanted to keep it running for about a month or so to finish off weed spraying, it has a purpose built undervine weed sprayer fitted. I thought a quick overnight repair to fit oversize pistons or even oversize rings on original pistons after a quick hone by just removing the conrods, head etc it would last the distance rather having it off line for about 2 weeks for the rebuild. I didnt realize the amount of blowby until i removed the drain plug under the flywheel and oil dripped out.

 

[North Idaho Wolfman]

I didnt realize the amount of blowby until i removed the drain plug under the flywheel and oil dripped out.

That's NOT blow by, that could be a bad rear main seal if it's in fact motor oil, oil in the bellhousing could be hydraulic fluid from a leaking trans seals.