The New And Improved Unofficial R65 Forum V2

Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: Tony_T on February 17, 2011, 11:26:59 PM

Title: Conrod Bolt Size
Post by: Tony_T on February 17, 2011, 11:26:59 PM
I need a multi spline tool for my big end bolts.
Can someone tell me what size I need?
An 8mm allen key fits in there, so I guess it's 8mm? Or is multi spline different sizing?
Thanks in advance for any advice.  :)
Title: Re: Conrod Bolt Size
Post by: Rob Valdez 79 R65 on February 18, 2011, 12:17:05 AM
It is a special tool.

Here is one source.  It is the cheapest & has no socket:

http://www.northwoodsairheads.com/Tools.html

(https://bmwr65.org/smf/proxy.php?request=http%3A%2F%2Fwww.northwoodsairheads.com%2Fsitebuilder%2Fimages%2FIMG_1303-1-305x198.jpg&hash=5df7f1493efcf4923439e1ffc681a4692ed0d4bf)



This is the next inexpensive, it does have a socket (but no picture):

http://www.cycleworks.net/index.php?main_page=product_info&cPath=29_33_51&products_id=27



And finally, if cost is no object and you want the finest, Snap-On:

http://buy1.snapon.com/catalog/item.asp?item_ID=3272&group_ID=378

(https://bmwr65.org/smf/proxy.php?request=http%3A%2F%2Fbuy1.snapon.com%2Fcatalog%2FOBJECTS%2F32900%2F32832.JPG&hash=75f1846070ea695081ee7fa7f0180a06660c0a69)


I don't know if Sears sells one or not.

Here you can see the guys on BMWMOA yacking about it:
http://www.bmwmoa.org/forum/showthread.php?t=32759
Further down in the discussion, there is some talk about what size it might be.


Here is a good post on ADVrider on what NOT to buy!
http://www.advrider.com/forums/showpost.php?p=9931722&postcount=279


Google is so cool. (http://www.google.com/#hl=en&sugexp=ldymls&xhr=t&q=airhead+connecting+rod+tool&cp=26&qe=YWlyaGVhZCBjb25uZWN0aW5nIHJvZCB0b29s&qesig=2Qfddr63objFVK6Cww2z1w&pkc=AFgZ2tnXKghQQIH7D7TlqPoumsbvZ9O4fq2i6HbOVLpKXg6vIqQVdpBH2AAnfwzujPXkp60P8PCLimjZNa6-pBaDB1HOSHVHFg&pf=p&sclient=psy&aq=f&aqi=&aql=&oq=airhead+connecting+rod+tool&pbx=1&bav=on.1,or.&fp=b5fc6a07c812d0bf)
Title: Re: Conrod Bolt Size
Post by: Tony_T on February 18, 2011, 03:11:01 AM
Hey Rob, the next time I want to know something, I'll just email you!!  ;D ;D
Thanks a lot mate.
So, it's 12mm. Weird that an 8mm allen key fits..........
Anyway, that's great. I'll go into town tomorrow and grab one.  8-)
Title: Re: Conrod Bolt Size
Post by: Rob Valdez 79 R65 on February 18, 2011, 05:26:06 PM
Quote
Hey Rob, the next time I want to know something, I'll just email you!!
WRONG!

Ask it here, so all can benefit.
Title: Re: Conrod Bolt Size
Post by: Tony_T on February 19, 2011, 01:18:30 AM
I was only joking, Rob.
Sorry.