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General information > Tips and Guides > Tutorials > 50 with box > ENGINE > Change your water pump Euro 3
Water pump Replacement ON MOTOR DERBI EURO 3
Ce tutorial aims at you help change the water pump from your 50 to box thanks to pics and explanations associated. In this example, it is a type engine Derbi Euro 3. Remember to order the correct water pump for your 50cc box.
Difficulty :
Temps necessary:
1 time
Necessary material:
HOW TO CHANGE YOUR WATER PUMP DERBI EURO 3
1) Drain the coolant by removing the collar with pliers.
2) Empty all contents into the drain pan (open the coolant cap).
3) Remove the oil pump housing (4 screws).
4) Remove the clutch cable.
5) Remove the oil pump (2 screw).
6) Be careful with the seal!
7) Remove the kick.
8) Remove the brake pedal (pay attention to the washer behind).
9) Drain the box oil by first removing the screw underneath.
11) Then remove this screw, located on the side of the housing.
11) Remove the water pump cover (3 screw).
11) Tap lightly with a mallet if the lid has trouble coming.
11) Now remove the clutch housing (7 screws).
11) Tip: Use the mallet again, gently.
11) Remove the seal without damaging it.
11) Remove the water pump: Remove the circlip, the two washers and the pin.
11) Tap the mallet to pull out the axis of the water pump.
11) Remove the two oil seals (as well as the washer that comes with it).
11) Installing the new pump: Start par put the circlip in the middle of the axle.
11) Then insert the washer against the circlip.
11) Position the axle in the crankcase.
11) Install the two new oil seals (the first: hollow part downwards. The second: hollow part upwards).
11) Install a washer on the oil seal.
11) You can now screw the turbine. Screw it tight and install the nut. Tighten.
11) Inner face of the housing: Insert a washer on the shaft, then replace the small pin.
11) Install the new pinion then a washer par above.
11) Put the circlip on the axle using the clip pliers.
11) Rotate the turbine to check that it is working properly.
11) Install the new water pump housing seal.
11) Reassemble the water pump cover (Only the two top screws, not the bottom one).
11) Replace the clutch cover gasket properly.
11) Reassemble the clutch housing (using the mallet).
11) Screw in the 7 clutch cover screws. Plus the last of the water pump cover.
11) Reconnect the water hose using pliers for the collar.
11) Replace the oil pump (5 screw). Do not forget the seal (the one from step 6).
36) Replace the clutch cable.
11) Install the oil pump cover (4 screw).
11) Install the kick.
11) Replace the two drain screws. Watch out for the pucks. Screw well!
11) Reassemble the brake pedal. Think of the washer from step 8.
11) Fill up with the box oil.
11) Check the oil level by loosening the screw on the crankcase.
11) Finally, refuel with coolant.
Installing a new water pump on your gearbox 50cc with engine Derbi Euro 3 is quite simple but requires time and patience. You will find at 50factory.com all water pumps for your two-wheelers as well as all engine parts you need !
VIDEO: CHANGING YOUR WATER PUMP (DERBI EURO 3)
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