Originally Posted by
Christian and Beccy
But whats going to happen to your fluro-lined hose once it gets 80psi or more of oil pressure through it? It will pop off and the entire contents of your sump will be spewed all over the engine bay and road.
Best case - It will make a mess.
Worst case - It will catch fire and the oil on the road will cause a motorcyclist to come off and go under a lorry.
Ever the optimist, me.
Silicone hose and jubilee clips are fine for this application. It's never going to see anywhere near the 80 psi that you mention.
The clearance around the bearings is very small so it only lets a relativley small amount of oil flow past. This combined with a much larger bore exit hose than entrance hose means you will see hardly any pressure in the return.