Re: how to remove impeller shaft seal YAMAHA YZ 125
The correct procedure is to remove the RHS engine cover. Then remove the impeller and impeller shaft.
Now press out the seal.
If you yank it out, there is a good chance of damaging the shaft or housing. This will be costly in the long run.
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The seal is a2 part assembly.
Stop the shaft from spinning first!
Then get a good hold of the impeller, maybe with a pair of pliers?water pump pliers. Then spin off counter clockwise. Regular thread direction.
Once off, shaft seal will be accessible.
To remove the impeller you first take the front face plate off to expose the impeller. Then isolate the shaft from the motor with a pair of needle nose vise grips and using a pair of channel lock pliers grip the end of the impeller and rotate counter clockwise to un thread it from the shaft. If the shaft seal has been leaking there may be to much corrosion to turn the impeller in which case it needs to be broken off.
a pair of pliers meaning 2 one to hold the shaft and the other to remove the impeller piece , but you will need to take out the threw bolts and take off the seal plate from the motor. these are fragile pumps.. best of luck
If your bike has the original Oetiker clamps on them, the only way to get them off is to cut them off with a pair of side cut pliers. They are a band that has been crimped on with a special pair of pliers.
The spring clamp on the hose? Use a large pair of channel lock pliers, they do make a special type of pliers to use on these clamps but not necessary. The open end side can be turned using a screwdriver until the pliers can be used to squeeze the tabs together. I'd recommend replacing the clamp with a regular type one afterwards.
This is a pretty straight forward repair. Normally the hardest part of the repair is dis-assembly of the rear brake assembly components and retaining clips. There is a special tool, set of pliers you can purchase to simplify some of this but typically you can do the job with a Pair or Regular pliers, pair of Needle nose pliers and a large blades flat screw driver. For step by step instructions and illustrations of the work area I recommend the Haynes Repair manual for your vehicle.
Looks like you need to get the cable and give it a good yank, or disassemble the cable lever assembly, and pull on the stretched cable with a pair of needle nose pliers. Then replace the stretched cable.