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1998 RS1300 .....,

60 mph loud pop and dead engine no restart starter does not engage.

Diagnosis siezed engine.

I have 96 RS1300 so do I swap engine or just find exactly what parts are busted and swap them?I've been running her hard because I want to make a beast out this beauty. Ideas please .....vmax conversion is it  worth it.What about making the big frame hold fuel?

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If you were running at 60 mph when this happened, it could not be a hydrolock issue. That happens when starting the engine.

 

You are certain the engine is siezed? Any chance it's just a blown main fuse? When they go they can make a very loud "POP", and would take out everything electrical. Also a seized engine at 60 MPH would lock up your rear wheel instantly, unless your clutches are in very bad condition.

Edited by luvmy40
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3 hours ago, luvmy40 said:

If you were running at 60 mph when this happened, it could not be a hydrolock issue. That happens when starting the engine.

 

You are certain the engine is siezed? Any chance it's just a blown main fuse? When they go they can make a very loud "POP", and would take out everything electrical. Also a seized engine at 60 MPH would lock up your rear wheel instantly, unless your clutches are in very bad condition.

If it’s locked my guess is it damaged a rod at startup that let go at speed. I’ve seen that happen before. Eykamp has some pretty knarly pics of engines that let go at speed. 

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6 hours ago, RDawson said:

If it’s locked my guess is it damaged a rod at startup that let go at speed. I’ve seen that happen before. Eykamp has some pretty knarly pics of engines that let go at speed. 

I hadn't considered that it might not completely fail instantly in a hydrolock case.

 

I hade an exhaust valve disintegrate in a shovel head(bored and stroked) at 80 mph and spray shrapnel on the car in the right lane beside me. That had similar symptoms. Loud bang, complete loss of power instantly. 

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Okay new engines on there.... It had set16644301224866190453202090959455.thumb.jpg.76f4d5c3298dc69e3e340a9130588c58.jpg16644301224866190453202090959455.thumb.jpg.76f4d5c3298dc69e3e340a9130588c58.jpg for about 2 years the new engine. When I  turn it by hand it goes so far then turn it backwards it goes so far and sticks what's causing that.What possibilities. guys I need you all it's my first engine I've done.by myself. just what I've read on here and other places and what feedback I get from you.And where do I unbolt the top half at.

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On 9/29/2022 at 1:44 AM, RoyalShootinstar13 said:

Okay new engines on there.... It had set16644301224866190453202090959455.thumb.jpg.76f4d5c3298dc69e3e340a9130588c58.jpg16644301224866190453202090959455.thumb.jpg.76f4d5c3298dc69e3e340a9130588c58.jpg for about 2 years the new engine. When I  turn it by hand it goes so far then turn it backwards it goes so far and sticks what's causing that.What possibilities. guys I need you all it's my first engine I've done.by myself. just what I've read on here and other places and what feedback I get from you.And where do I unbolt the top half at.

So the reason for the lock up was two tiny bolts.....I wander if that's the reason they sold it so cheap 

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