Friday 17 October 2014

Yamaha YZF R125 engine strip



Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs 

This is a post showing you a strip down of a whole bottom end if you need any advice its best to visit the dedicated posts for each section .



removing the clutch side cover


Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

use a 2 pence piece here to lock gears to hold for removal of this tight bolt

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs



Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs


then remove all other components , best to photo them for ease of replacement or use mine .

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Balance shaft gear timing marks 

Yamaha YZR R125 WR 125 timing marks setting timing

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs


Yamaha YZF R125 clutch removal

Beware of this ball bearing for the clutch actuator pin 

Yamaha YZF R125 clutch removal
Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs


As you see Yamaha give you little tabs to help you separate the cases it can take some time just go gentle and steady until things start to move make sure all bolts are removed though as you will always miss one .

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

a few gear box shots for you for rebuilding 

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs

Yamaha YZF R125 engine strip , cases split , gearbox , engine repairs





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