last off the line

Claviger said:
Precisely why I had the undercut gears and billet 4th installed lol.
Click to expand...
I am having my gears miked and undercut soon, if the gears are alright is their a reason to replace the 4th gear with the billet one offered from Robertson's? And why do they only offer 4th?
 
Not sure why they only offer 4th, something about the design ...can't recall clearly, but if I'm already having it worked on, I figured might as well be preventative and install the best parts.
 
Ok the fourth gear in my opinion needs a wee bit more beef sure sometimes they do not break up bad







But some times they do



So if you were to look at Robinson's new fourth gear you will see where they eliminated some of the weakness





Hope this helps you decide what you want to do


 

Boy, that 3rd image is quite compelling! I think I Need to do a benefit vs. risk analysis: the benefit of piece of mind vs. the risk of my wife loosing her marbles the next time she hears me say “Well, while we are doing this I may as well...”
 
I agree in fact if and when I get home I will be sending my extra transmission to Robinson's for their special touch and gear. The price Fred said he paid I would suggest anyone who splits the motor open send it to them.
 
Joesmoe said:
Might someone post how one contacts Robinsons (again) and what one requests, and the expected cost ?
Click to expand...


yes lets have some info about robinson 4th gear I think mine is on the weak side from what I hear in the transmission.
 
albertaduke said:
yes lets have some info about robinson 4th gear I think mine is on the weak side from what I hear in the transmission.
Click to expand...

Joesmoe said:
Might someone post how one contacts Robinsons (again) and what one requests, and the expected cost ?
Click to expand...



Robinson Industries Motorcycle Transmissions

EMAIL: sales@robinsonindustriesinc.com

PHONE631) 360-9219
FAX631) 360-9252
644 Middle Country Road-Suite 10
St. James, New York 11780

Lets summon the expert @Rocket Scientist so he can correct any misguided info I type
I believe you send them the complete shafts bearings and all. they go thru everything clean inspect undercut the gears and install the new fourth gear if you choose and send it back ready to drop in. Like sliced bread

Bill is who I talked to when I was checking on it for Fred.

@Rocket Scientist HELP
 
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