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Posted

Hi all, I'm very new to the hobby and one of my 1st purchases was a lunchie. I made the basic mistake of overlooking bearings so I recently bought a set and starting replacing the evil plastic ones last night.

My question is after replacing the bearings on the front wheels there seems to be a lot of lateral travel of the rims on the axles. About 2-3mm of air after the wheelnuts are tightened to the limit of the thread on the rod. Is this normal and is it actually a problem? I thought of getting some washers to pack out the space a bit but if if so where's the best place to use them? Chassis or wheelnut side?

Posted

If you add a washer to the front axle, be careful of two things. First that the washer does not make contact with the bearing sheild and second that there is still some end play between the bearing and the washer. Pulling it up tight onto the bearing will cause the bearings to run tight in effect causing the front wheels to bind. There is no metal spacer between the bearings which would allow the assembly to be done up tight (like you have on skateboard wheels).

Adding it to the chassis side will effectively widen the front track. I have washers on my Grasshopper (almost same steering knuckle), I have them under the wheelnut.

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