Crankshaft accession screw (plug) size '15 yz450


7 replies to this topic
  • forgotmyusername

Posted August 07, 2014 - 07:33 PM

#1

Quick, somewhat stupid question...what size? A 10mm Allen head is the biggest I have. I'd rather not get a whole set. Thanks

  • crf917rider

Posted August 08, 2014 - 02:40 AM

#2

12

  • Mutley53

Posted August 08, 2014 - 06:46 AM

#3

Take a bolt with a 12mm head and put 2 nuts on it, jammed together. Use the bolt head as the Allen wrench and put a wrench on the nuts. That has worked well for me.

  • grayracer513

Posted August 08, 2014 - 06:54 AM

#4

You sure it's 12?  On the Gen2 engines it was 14, and the end of the factory spark plug tool would unscrew it. 



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  • forgotmyusername

Posted August 08, 2014 - 08:38 AM

#5

Thanks. I know the bolt trick works well, but I have to go to the hardware store to get which I will do if they don't have the Allen head.

I've read 14 and it looks to be quite a bit larger than the 10 I have. I'll dig out a pair of calipers and measure to be sure.

  • grayracer513

Posted August 08, 2014 - 08:57 AM

#6

Or a tape measure. :excuseme:



  • crf917rider

Posted August 08, 2014 - 09:32 AM

#7

Opps went to garage and checked its a 14 sorry lol

  • forgotmyusername

Posted August 08, 2014 - 11:06 AM

#8

Opps went to garage and checked its a 14 sorry lol

Thanks for clarifying.







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