__tom4
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If anyone is interested, cox and turner had some on the shelf. They are also able to make the bottom rings to order.
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Hi, I am struggling to find new piston rings for my 248. I have measured them to be 68.5mm but inmotion trials haven’t got them and I can’t find anything on google. any help on where to get them would be appreciated. thanks
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Ahh thanks for the info. Do you know where I can buy spares? I’ve looked online but most are from America with really high shipping costs
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It isn’t broken but it is very loose and as I understand it should hard to get on and off? At the moment it falls off easily. I’ll order a new one
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Thanks for the list. Luckily the last owner replace the tyres, chain and rear sprocket before I got it. I took the 3 screws out of the gear selector and took it off. The ‘pawns’!? The slanted blocks of metal with a spring popped out and I looked at the plate you said about. I checked the exploded diagram I have and it doesn’t state where it should sit. it sucks there isn’t anything online I can find 😕 on another note I want to say thanks for all the help! I might be posting a lot…🤣
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I’ve whipped it off. As far as I can see it looks okay. I might have to take the whole engine out and dive deeper into the gearbox
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Yeah when the engine runs, the shifter moves 180 degrees as if it’s caught on something, then it cannot change gear after that. I haven’t started it yet as I want to makes sure the rest of the engine is all okay. is the manual it came with good enough? I looked for a Haynes manual or something similar and couldn’t find one. thanks for the reply
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Hi, I have just acquired a Montesa cota 248. I’m new to the biking world so I need advice! Its in fairly good condition and has been stored in a heated garage for the last 20ish years. Firstly, the last owner told me the gear shifter turns 180 degrees once put into 1st gear. Is this a common issue? If not, is it easier enough to open the gearbox? I work in engineering so have a good technical background. Secondly, it hasn’t been started for years so what sort of maintenance should I do before starting it?
