HELP!!! Need Straight key for balancer gear

7 replies to this topic

Posted June 28, 2001 - 07:39 AM


Need to find a straight key in stock or exact dimensions so I can build one

Save my weekend please


Posted June 28, 2001 - 11:55 AM


Thanks for looking made one

  • Elian

Posted June 28, 2001 - 01:25 PM


I need the dimension too, I´ll build it, I can´t get it here!!!.

  • Hick

Posted June 28, 2001 - 05:47 PM


You should just measure the original, but I think it is 5mm (square) and 15mm long.

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  • Elian

Posted June 29, 2001 - 12:13 AM


Thank Hick.
The idea is built the key, because where I live a can´t get it!.


  • Scott_F

Posted June 29, 2001 - 04:22 AM


I made my own from keystock that I got at It was 5mm, but a tiny bit oversize, so I carefully sanded it down a couple thou to get a nice tight fit. If you make one from scratch, be sure you use a quality steel alloy, otherwise you may soon end up right back where you started, with a mashed key.

  • Elian

Posted June 29, 2001 - 08:49 AM


Don´t you remember the length?


Posted June 29, 2001 - 10:07 AM


Just built 3 made some extras
they are exactly
.196 square by
.388 long
used keystock
these are nice and snug
BUT while I was building these I noticed a crack in my balencer drive gear :D :D :)

called my dealer who doesn't have one(of course)

called yamaha in calf. they also do not have any...

(they are on backorder) :D
(wonder why?) :D

If any one can help me please E-mail me

So I am down unless I can find one in stock somewhere.

balencer drive gear part# 5BE-11536-00-00
Straight key part# 90282-05034-00


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