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Montesa Cota 247 plug confusion


Moray Kidd
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Hello All - Newbie question....Can anyone confirm why (1) there are two plus in the swingarm and (2) there are two spark plugs in the engine? 

I am thinking (1) chain lube but I think there might be a nozzle in the bottom missing. Still can’t figure out why there are two plugs. (2) spare plug? 

Best wishes

Moray

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The decompressor is a valve that that goes in the second plug hole operated by a cable and a small lever on the bars.  They are used to aid starting and and can be used as a brake on slippy descents as tend not to break traction 

You can still get them from twin shock trials shops

HTH

 

 

 

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Front plug in swinging arm is filler for chain oiler, plug by rear sprocket regulates flow, there is a short metal tube below rear plug with short flexi pipe attached so oil flow is close to chain. thats how it was on the 247 I had many years ago.

 

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