How To: the Right way to install the front wheel - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 4 (permalink) Old 02-14-2014, 07:39 PM Thread Starter
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How To: the Right way to install the front wheel

Since I found this so helpful, I think it belongs here in the How To section.
b.miller123 wrote this about a year ago, here it is.

https://www.rc51forums.com/forums/showthread.php?t=11362

Quote:
The procedure for installing the front wheel is as follows:

Take the wheel, put the spacers on and put it in between the forks and slide the axle through.

Install the axle bolt on the right side and torque to 43 ft lbs

Install the axle clamp bolts on the right fork and torque to 16 ft lbs

Install calipers and torque bolts to 22 ft lbs

Put the bike (or at least the front end) down on the ground and hold the brake while pumping the forks down and back up a few times to seat the axle.

Make sure the index line on the left side of the axle is aligned with the outer surface of the fork leg.

Install the axle pinch bolts on the left fork leg and torque to 16 ft lbs.


The reason for "seating" the axle is because the left fork leg basically floats on the axle until the pinch bolts are tightened. This is done to prevent the forks from being pinched or spread at the lower end vs the upper end. If this is not done, there will be additional friction between the fork sliders (chrome part) and the bushings inside of the upper fork due to them not being aligned perfectly. When you bounce the forks, it allows the left fork leg to move to the correct spot on the axle.

When you install the axle bolt on the right leg and torque it down, the thicker portion of the axle (on the left side of the axle) is mated to the left spacer. This means that when you torque it down, all of the spacers and bearings are pulled tight to the right fork. At this time, you can still take the left fork leg and move it back and forth. It looks like there is a gap between the spacer and the fork because there is. The left spacer doesn't sit against the fork, it sits against the thicker portion of the axle. In the picture above, you are seeing the axle in between the spacer and the fork. This creates the illusion that there is a gap. The easiest way to visualize this is the install the axle in the wheel and just the right fork leg (you can spin the bottom of the fork around and put the bolt in and tighten it all up).
Sorry no pictures. If you read thru this the next time you're putting your wheel on, it all makes perfect sense. You can move the left fork a little side to side while watching the index line on the outer axle. That's why seating it properly is a good thing to do.

John, 2000 RC51 #000100

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post #2 of 4 (permalink) Old 02-14-2014, 08:18 PM
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Thanks JD. I now need to redo this...
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post #3 of 4 (permalink) Old 02-14-2014, 08:19 PM
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Good write up and thanks for the repost.

I started doing this after reading it the first time.

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post #4 of 4 (permalink) Old 02-19-2014, 05:37 PM
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Suggestion. if you have radial mount Calipers leave them finger tight. Seat the axle as stated. then while holding the brake Torque the Brake caliper bolts. this makes sure the Caliper is perfectly centered on the rotor and not cocked one way or the other.
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