Help, Midshaft stuck to pump shaft

[///M5]

I cut a section off and it still won't budge lol. Looks like water got in somehow. I greased it well upon install, so I'm not sure what's going on.

View attachment 352707

It looks like you are missing the o-rings.

The orings are both there, and in perfect shape

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[JetManiac]

That is an a/m midshaft that looks like it has been machined for a custom application. Was there a thrust washer behind the midshaft coupler?

 

[///M5]

That is an a/m midshaft that looks like it has been machined for a custom application. Was there a thrust washer behind the midshaft coupler?

No there wasnt. I figured it was AM because it looks crappy compared to the OEM gp 760 I have. Finish looks cheap...

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[JetManiac]

No there wasnt. I figured it was AM because it looks crappy compared to the OEM gp 760 I have. Finish looks cheap...

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No thrust washer= midshaft breaking in that location many times

 

[///M5]

No there wasnt. I figured it was AM because it looks crappy compared to the OEM gp 760 I have. Finish looks cheap...

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No thrust washer= midshaft breaking in that location many times

Got it, Thanks.

It also looks like I need to machine my GP 760 Midshaft, and cut new threads, because the coupler doesn't sit flush and it will not let me bolt the motor.

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[///M5]

No there wasnt. I figured it was AM because it looks crappy compared to the OEM gp 760 I have. Finish looks cheap...

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No thrust washer= midshaft breaking in that location many times

Is it ok to stack washers, and what is minimum spline engagement?

Right now it feels like the shaft is sitting at 1/4" back.

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[///M5]

I measured 32.7mm of spline engagement. Is that enough?

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[JetManiac]

You want full spline engagement minus about 3/16" for movement

 

[///M5]

You want full spline engagement minus about 3/16" for movement

Is it ok to stack washers

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