Early FZR600 oil pipes to oil cooler

[Hardhat_harry]

Hi all

I have an FZR400 with an early FZR600 engine as a track bike.

I have fitted a thundercat radiator, ditched the fan and moved the oil cooler to below the new rad.

Where the oil cooler pipes fit to the oil filter housing there is a slight leak, on undoing the two screws that hold the pipes to the oil filter housing I noticed there doesnt seem to be an oil seal or gasket, is there meant to be something between the housing and the termination of the pipes?

[et_miller_87]

I'm not familiar with that particularpart,but since it's a tube, I would imagine it's supposed to have some sort of fitted packing to keep things sealed

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[steam_biker]

If I remember right, there should be an O ring in the joint.

[TomJ]

Bikes I've worked on (400's and 600's) had a crush washer (hi press oil). What's sealing the other end of the oil line?