South Wales Trail Riders

    Valve clearance

    dai 530

    Posts : 587
    Join date : 2012-07-01

    Re: Valve clearance

    Post by dai 530 on Thu Dec 31, 2015 4:01 pm

    Just done the piston on mine because it started to smoke a bit
    I noticed when I took the exhaust off that the valve stem oil seal was leaking
    so decided to do a top end rebuild the piston and rings are like new onl a bit of wear to the piston skirt could of easy done another 200 hrs

    Posts : 1610
    Join date : 2011-04-08
    Age : 50
    Location : West Wales

    Re: Valve clearance

    Post by kirky on Thu Dec 31, 2015 6:16 pm

    I found mine were on the tight side , but with using a micrometer and measuring against tolerances found that i swapped a couple around and all was good , i picked some 275's up from a local shop just in case wouldnt use them anyway as they were 0.5mm less in diameter and didnt like the idea of a shim slopping about in the seat !

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