General information > Tips and Guides > Tutorials > Quads > Cycle parts > Replace upper triangle
Ce tutorial aims at you help replace the upper triangle of your quad. The example shown here is for a quad Kymco Maxxer 300.
Difficulty :
Temps necessary:
25 minutes
The triangle makes the connection between the chassis of the vehicle and the wheel hub
A faulty triangle can lead to steering vibrations, increased braking distance or even uneven tire wear.
It is therefore important to regularly check the good condition of this element.
1) Using the lifting jack, raise the quad
2) Secure the lift using the jack stand
3) Loosen the wheel and drop it
4) Unbend and remove the pin from the hub using the slip-joint pliers
5) Loosen and remove castle nut
6) Remove the 2 screws from the brake caliper
7) Take out the disc with the hub
8) Unbend and remove the cotter pin from the wheel hub upper ball joint castle nut
9) Loosen and remove castle nut
11) Use a large screwdriver to pry between the hub and the ball joint
11) Then, using a hammer, knock on the hub to loosen the ball joint
11) Remove castle nut
11) Loosen the screw of the brake hose holder
11) Loosen the retaining pins of the triangle
11) Noting that the bumper prevents the extraction of the axis, remove the upper screws of the bumper and loosen the lower screws. Tilt the bumper forward
11) Remove the axis and take out the triangle
11) Introduce the new triangle
11) Insert the axes
11) Screw and tighten the axle nut
11) Repeat for the other axis
11) Insert the ball joint into the hub
11) Screw the castle nut back on
11) Insert a new pin (2.4x38) into the axis of the ball joint
11) Bend the pin to block the assembly
11) Replace the bumper, then the two screws of the bumper and tighten all the screws of the bumper
11) Reinstall and tighten the brake hose holder screw
11) After refitting the disc and hub, install the castle nut
11) Reinstall the brake caliper and replace the 2 screws
11) Tighten the 2 brake caliper nuts
11) Block the wheels with the brake latch so you can tighten the castle nut
11) Place a new cotter pin on the hub and bend it around the castle nut
11) Reposition the wheel and put the nuts back on. tighten them
11) Raise the quad using the jack to lower the jack
11) Remove the jack stand and lower the quad