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Can you rent an engine lift in Shetland? That would make it so much easier

It’s really just a matter of unplugging the electrical connections, exhaust off and then the engine mounting bolts, take lots of photos of where the connections are Either a trolley jack or a scissor jack under the motor

The one I sent you a link to earlier has the throttle bodies etc on

Last resort Radweld?

FWIW After I bought my 8th gen I got rid of all my other bikes, eventually and the BMWs went first

I found this engine on eBay https://www.ebay.co.uk/itm/336011062741?_skw=vfr+800+engine&itmmeta=01JYEAGMTPYE9J49YWXKVGP3HT&hash=item4e3bd1edd5:g:kDEAAOSwQw5oSupM&itmprp=enc%3AAQAKAAAA8FkggFvd1GGDu0w3yXCmi1d1rCLLn4eaRez3ziUxc3SMsdpq4yj2pywuVxconucE4xY3Ua3Aued%2FygDShwktDy8fUVbCogyz0VyPnvFJHWHfxFnolBxvRc0Nb7dFXkpuFqvEK4v%2F1%2Fgh9iu8iJUqDdCdD6dW4o0plpmoqqCi3pW7AGzJKEHp5Vf7GtesDeV7qYlwuV3GdL%2FfNtah4i8xfvJotIbhRq%2FT7vB%2B9F8MMjq4S8XOISQT6t8YgbfA83iy1bOrHUImztLvq9NtkWm4QKfWv619uSDB1qMAiotk3%2BthcVzbJLnNMbUy47VHeyqUtw%3D%3D|tkp%3ABk9SR8zNwsrzZQ Its fairly straightforward to drop the engine out, exhaust studs breaking are always a worry but this has good threads so an install would be a relatively trouble free solution

A cheap compression tester and endoscope are about £10 each from eBay, to me that’s money well spent

You’ll have to compression test it to see if it is the front cylinders, an endoscope down the plug hole would help with diagnosis, both are pretty cheap considering the work you are facing What makes you think it’s the front cylinders?

For new pads they have a lot of scoring, compared to mine @37k Have you spun the buttons on the discs?

The OEM Nissan pistons are rubbish, they rust and then the coating comes off tearing the seals They could well be sticking on I replaced mine with stainless steel from Powerhouse https://powerhouse.uk/motorcycle-brake-caliper-seal-kits/

This is all I could find https://www.ebay.co.uk/itm/335488935382?_skw=vfr750+exhaust&itmmeta=01JTTS7MHJN7ETJC6EW7AVEPXJ&hash=item4e1cb2e5d6:g:LgkAAOSwD7dmllpw They had a couple of 89 bikes they broke, I’m not sure if this is correctly described

Piper cross

Sounds like the chain is balled up around the sprocket, I’m assuming you haven’t removed the cover

I rented a Triumph 800 Tiger in ‘18 for 2 weeks and rode it from San Francisco to the Canadian border and back through the Yakima Valley, the handling was OK, suspension was rubbish and the engine topped out @80 mph, it sounded like a bag of spanner’s starting from cold, it sounded like an electric motor riding it, 8/10

Maybe try a steering damper?