Friday, 10 October 2014

Yamaha YZF R125 top end barrel cylinder piston removal

Yamaha YZF R125 Blog Index - Contents


See what R125 are for sale now on Ebay uk 
need parts for you R125 try here on Ebay uk or here on Amazon UK




    buy a haynes workshop manual from here 




Removing the top end is easy the only thing to remeber is how to set timing on rebuild which is not difficult .






Remove the rocker cover bolts 


this exposes the main cylinder head bolts




Remove water pump see our post here on that 




these 2 allen head bolts need to be removed as well 




Here im holding the flywheel bolt to undo the timing chain 
bolt .





below the timing chain tensioner is losened and then  removed 


you can now free the timing chain i hold it with string to avoid dropping it into
engine




ive now removed the timing chain sprocket as i needed to 
and im undoing the top cylinder head main bolts 







pulling head free while controlling chain 





now remove chain guides 


and prepare cylinder barrel for removal 


again control chain while lifting of barrel 








Need new or used barrel / head  / pistons / timing chains etc etc









see more Yamaha YZF R125 blog posts 

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