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Author Topic: Project Shinjimei- 73 TX500  (Read 103858 times)

Offline Pete12

  • Posts: 365
Re: Project Shinjimei- 73 TX500
« Reply #400 on: Feb 16, 2018, 06:34:32 »
I can't find either a 520 front sprocket for the Honda motor,  or a 525 sprocket to fit the YZ250 rear hub

Has the Rebel got a fine or coarse countershaft spline (13 or 6)? You might find a sprocket from an XL500/XR600 that will do the job. Most sprocket sellers on Ebay include a dimensional drawing that makes it really easy to mix and match.

Offline two-smoker

  • Posts: 1026
  • I reject your reality, and substitute my own!
Re: Project Shinjimei- 73 TX500
« Reply #401 on: Feb 16, 2018, 22:50:58 »
I have no clue.  I haven't taken it off the bike.

Sent from my LG-LS777 using DO THE TON mobile app

"I suppose I'd say.... BOLLOCKS! But that's pretty much a reflex for me."

http://www.dotheton.com/forum/index.php?topic=21144.new#new

Offline two-smoker

  • Posts: 1026
  • I reject your reality, and substitute my own!
Re: Project Shinjimei- 73 TX500
« Reply #402 on: Feb 16, 2018, 22:52:06 »
Thought I'd try and post a pic of the donor bike...   https://i.imgur.com/d2fUj83.jpg

Sent from my LG-LS777 using DO THE TON mobile app

"I suppose I'd say.... BOLLOCKS! But that's pretty much a reflex for me."

http://www.dotheton.com/forum/index.php?topic=21144.new#new

Offline furu14

  • Posts: 25
Re: Project Shinjimei- 73 TX500
« Reply #403 on: Feb 17, 2018, 11:16:22 »
you coud grind down the 525 sprocket to 520? or use a lathe?
520 is just a tad narrower?

Offline Jewbacca

  • Posts: 1153
  • Therapy is expensive. Riding is cheap. You decide.
Re: Project Shinjimei- 73 TX500
« Reply #404 on: Feb 17, 2018, 16:27:59 »
Maybe buy a blank sprocket from somewhere like McMaster-Carr and have it broached at a shop to fit the splines of the engine?
1979 Honda CB750K- Soon to be CB750K-SC Night-Ninja (SOLD)
http://www.dotheton.com/forum/index.php?topic=18771.0
1974 TX500A "Yamahonda" http://www.dotheton.com/forum/index.php?topic=66736.0"
1983 Honda CB650SC
http://www.dotheton.com/forum/index.php?topic=70532.new#new
Gives me a major cramp in my wedding tackle..." Fellow PNW Rocker Dave Simmons

Offline Pete12

  • Posts: 365
Re: Project Shinjimei- 73 TX500
« Reply #405 on: Feb 17, 2018, 23:35:15 »
I have no clue.  I haven't taken it off the bike.

I can understand your trepidation, it's a major job, not to be undertaken without considerable forethought and planning, not to mention the special tools involved 😃😃

Offline ex119x

  • Posts: 58
Re: Project Shinjimei- 73 TX500
« Reply #406 on: Feb 17, 2018, 23:51:51 »
The sprocket from a 79 - 81 Honda XL500S has the same spline as the CMX450C. It is a 520.

Offline two-smoker

  • Posts: 1026
  • I reject your reality, and substitute my own!
Re: Project Shinjimei- 73 TX500
« Reply #407 on: Feb 18, 2018, 11:41:34 »
I can understand your trepidation, it's a major job, not to be undertaken without considerable forethought and planning, not to mention the special tools involved 😃😃

Oh,  you're funny.  Lol.
Seriously,  though,  I haven't had the time or desire to freeze my ass off out in the garage. When it's above 20 degrees Fahrenheit for more than a day,  I'll be moving fast on this. 

Sent from my LG-LS777 using DO THE TON mobile app

"I suppose I'd say.... BOLLOCKS! But that's pretty much a reflex for me."

http://www.dotheton.com/forum/index.php?topic=21144.new#new

Offline two-smoker

  • Posts: 1026
  • I reject your reality, and substitute my own!
Re: Project Shinjimei- 73 TX500
« Reply #408 on: Feb 18, 2018, 11:42:21 »
The sprocket from a 79 - 81 Honda XL500S has the same spline as the CMX450C. It is a 520.
Thank you! That's exactly the information I needed.

Sent from my LG-LS777 using DO THE TON mobile app

"I suppose I'd say.... BOLLOCKS! But that's pretty much a reflex for me."

http://www.dotheton.com/forum/index.php?topic=21144.new#new

Offline two-smoker

  • Posts: 1026
  • I reject your reality, and substitute my own!
Re: Project Shinjimei- 73 TX500
« Reply #409 on: Feb 18, 2018, 11:43:41 »
you coud grind down the 525 sprocket to 520? or use a lathe?
520 is just a tad narrower?
No,  520 is a narrower 530. 525 had different distance between the rollers.  Tooth pitch,  if you will.

Sent from my LG-LS777 using DO THE TON mobile app

"I suppose I'd say.... BOLLOCKS! But that's pretty much a reflex for me."

http://www.dotheton.com/forum/index.php?topic=21144.new#new