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B-Tool by Ed

Sunday, November 22, 2009

(From Ed— Dated August 9, 2009)

I did the K-Mod on my Honda Reflex and here is something that I would like to share with the group:

I was not able to get the drive-face back on the crankshaft spline due to the belt being down below the V-section of the pulley. I tried everything I could think of plus Windex as lubrication but nothing worked.

After a few hours of trying I gave up and built a tool to aid in drive face installation. I am going to call it the “B-Tool” as you will see in the pictures.

Photo: Ed Weaver

  1. I took an old belt and cut it into two pieces using a right-angle grinder.
  2. I tapered one end of belt for about four inches using a utility knife to cut away the raised portions of the belt.
  3. I then sanded down each side of the belt for about five inches, using a belt-sander with a coarse belt.  The belt is now tapered and is only about 3/4 in wide for five inches.

Photo: Ed Weaver

By inserting the tool between the existing belt and roller* and by rotating the clutch, I was able to have two belts around the roller*.  This moved the existing belt into the V-section of the pulley which then allowed the drive-face to slide easily onto the crankshaft spline.

Finally, I installed washer and nut finger-tight, pulled out the tool, torqued the nut and put her back together.  I have since put 1,000-miles** on scooter with no problems.

I would be delighted to answer any questions.



* Or, “Drive face bossas Honda calls it (the steel tube between the belt and the crankshaft).

** Update (11/22/09) :  Ed estimates that he has had 3,000- to 4,000 flawless miles to date.

One Comment leave one →
  1. Denny permalink
    Monday, November 23, 2009 1:25 pm

    That’s pretty smart Ed. Wish I would have had one when I tried changing the belt on my 260.

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