kurtas

Push the fork into the ground to compress the spring a bit and use an impact driver.

My guess is you've got a Bitsa. B-68 Pursang MK4 250 Frame with a M-67 Sherpa S MK2 200 Engine. You could check the bore/stroke of the engine to confirm the capacity and hence the likely donor.

I assume it is running fine at Idle? What happens when you rev it out in Neutral? What happens when you try and rev out under load/in gear?

Looks like you have damage on the lighting coil?, potentially also damage to the ignition or pulse coil or even the damaged lighting coil is affecting the other coils. Have you got the resistance values for the various coils?

Not enough information yet to know but it appears it is only the storage area and not the production area has been affected. So theoretically nothing stopping them from manufacturing new parts. It's a waiting game at the moment as I doubt Honda/Montesa fully know the stock that they have lost yet, let alone make future decisions.

Can you move the pickup for the ignition to retard the timing slightly?

Three Ideas: Does it match with a part number for the cases? A machining note to define how much end float/shims the crankshaft needs. A job number from a previous mechanic shop to keep the parts identifiable.

Could try a maroon scotch brite pad

I'd be checking the thermostat since you are having trouble with the timing of the fan. Coolant expands when its hot, so if you have brimmed the tank when its cold it will eject some and come to its natural level after you have used it.

Can you get a panel beater to plastic weld?

Rear shocks to suit a TY175 would be suitable for the Cota 247. Forks are rebuildable, you just need to get some high pressure rotary seals of matching dimensions from your local supplier.

I'd be checking your countershaft sprocket before pulling anything apart, if its worn it might be catching the chain. Next thing would be as JRSUNT has said and take the chain off and run it in gear and see if noise is affected by the clutch, which means you will have to dig further.

Is the bike moving or stopped when pulling the clutch helps?

The Beta 4 stroke is super smooth if you are going with a 4 stroke, might be a better option than the Montesa if you thought the 2 stroke was a handful.

Assuming you are an elder statesman I would get an Electric start TRS.