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Edited Date/Time
12/20/2017 6:51pm
I am working on a friend's 1983 Yamaha QT50 (Yamahopper). I am going to make sure the spoke nipples are not frozen and true the wheels. I have not found a spoke wrench that will fit it, but from measuring a spoke nipple with some dial calipers it looks like barely over 4 mm. I am getting a Park Tool bicycle spoke wrench that is 3.96 mm. It is three sided. Any ideas on how to sand / grind away at one side to make it a little bigger?
Thanks!
Thanks!
Youre only going to widen it by using a mill.
You sure the corrosion isnt making the nipple measure wider than it is?
Alternatively, you can take the tire off and use an allen socket to turn them.
I am looking for an option besides a mill.
There is no corrosion on the outside of the nipples. I am wanting to make sure there is none inside the nipples on the threads of the nipples or spokes. I am not looking to disassemble the wheel just make sure they all turn freely.
The insides of the nipples have a flat head fitting. One generally can not get a good enough grip on a flat head nipple to turn a stuck nipple free. Thus, the need for a spoke wrench (and penetrating oil).
I am currently thinking very small flat file and lots of elbow grease or the Harbor Freight air file. I don't know how well it will do on steel, though.
https://www.rockymountainatvmc.com/p/841/2936/Tusk-6-Way-Spoke-Wrench
The Shop
I have already had a 4.3 mm on it... too big.
I am going to try a small hand file.
I am leery of trying a two sided wrench. Yamaha does not sell just one nipple, just like on other Yamahas, one has to buy a whole set of spokes and nipples. YAH, KAWASAKI for not being that shitty.
Paw Paw
https://bikemaster.com/tools/tire-tools-irons/spoke-wrench.html
Hand filing / sanding the Park Tool wrench was useless. Too hard.
I was able to get the wrench to fit well enough (two sides, not three) and with the help of a Park Tool truing stand, got the wheel trued well.
https://bikemaster.com/spoke-wrench.html
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