Honda CBR 125 setting tappets adjusting rockers setting valve gaps

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Remove rocker cover 

set to TDC 

To loosen hold the lock nut and use screwdriver on the centre 

setting screw 

Now use feeler gauge to set gap 

Rember to hold setting screw and tighten the locking nut securely 

to avoid gap movement 

                                           



If you need any parts for you Engine try here 




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While the engine is in the bike



If you need any parts for you Engine try here 



Disconnecting the temperature sensor gives a bit more play to move the radiator out the way:





Covers off:








Linty the T mark up:





And the line on the cam sprocket will be parallel with the top of the head:





Checking the exhaust valve:









And the Inlet valve:





Needed adjusting. It’s a bit tight so I took the screwdriver bit from my impact driver set (awesome tool) and put a spanner on it. Another spanner on the lock nut and adjust away. Did the job.