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883 primary sporcket on 1200

  #11  
Old 01-09-2019, 12:00 PM
John Harper
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You are asking about the belt drive front sprocket? Not the chain drive primary front sprocket?

I think some people go from the 883 front belt sprocket to the 1200 sprocket when they do a conversion, but I don't think I've read of anyone going to the 883 sprocket with a 1200 engine. Perhaps I'm misreading your OP.

John
 
  #12  
Old 01-09-2019, 12:02 PM
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Originally Posted by handirifle View Post
When I looked at the parts finder it shows 16 and 18 for both the 883L and 1200L. Looking at this on my phone and with my eyes not sure if those are part numbers on the diagram or number of teeth on the sprocket.
When I converted my 883 to 1250 I changed my gearing to 1200 . Having close to 110 HP I got plenty of power to take off in 1st. Any way it doesn't seem to be a problem to me. I do really like the lower cruising rpm in 5th.
 
  #13  
Old 01-09-2019, 12:12 PM
gerald martin
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Originally Posted by apache snow View Post
When I converted my 883 to 1250 I changed my gearing to 1200 . Having close to 110 HP I got plenty of power to take off in 1st. Any way it doesn't seem to be a problem to me. I do really like the lower cruising rpm in 5th.
Please explain better. I must be getting dumber as I age. Did you change the gearing in the Primary (put new sprockets and chain from a 1200) Or did you change belt sprockets (change front and rear belt sprockets from a 883 to a 1200)
Thanks in advance
Gerald
 
  #14  
Old 01-09-2019, 12:15 PM
handirifle
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It has plenty of power taking off that isn't the issue. Its things like slow speed manuvering and when I take the bike in town. The streets are crowded and slow moving. It's just a bit frustrating having to ride the clutch to keep from running over the car in front of me, at idle.

If it's just taking off from a roll and going through the gears it is fine. It's the slow speed stuff. I guess I can't have my cake and eat it too.
 
  #15  
Old 01-09-2019, 01:10 PM
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Originally Posted by gerald martin View Post
Please explain better. I must be getting dumber as I age. Did you change the gearing in the Primary (put new sprockets and chain from a 1200) Or did you change belt sprockets (change front and rear belt sprockets from a 883 to a 1200)
Thanks in advance
Gerald
I changed my 883 34 tooth front primary sprocket to a 1200 38 tooth primary sprocket and took off the stock 94 link 883 primary chain and put on a 96 link 1200 primary chain. . And now I cruise in 5th gear at 3400 rpm instead of 4000 like I did with the stock 883 34 tooth front primary sprocket.
 

Last edited by apache snow; 01-09-2019 at 01:14 PM.
  #16  
Old 01-09-2019, 01:26 PM
gerald martin
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Originally Posted by apache snow View Post
I changed my 883 34 tooth front primary sprocket to a 1200 38 tooth primary sprocket and took off the stock 94 link 883 primary chain and put on a 96 link 1200 primary chain. . And now I cruise in 5th gear at 3400 rpm instead of 4000 like I did with the stock 883 34 tooth front primary sprocket.
Thank You
I appreciate your quick reply
 
  #17  
Old 01-09-2019, 02:21 PM
handirifle
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I might be off on my math but I dont think dropping 2 teeth off front belt sprocket would have as drastic an effect as dropping 4 teeth on the front PRIMARY sprocket.
 
  #18  
Old 01-09-2019, 02:43 PM
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Originally Posted by handirifle View Post
I might be off on my math but I dont think dropping 2 teeth off front belt sprocket would have as drastic an effect as dropping 4 teeth on the front PRIMARY sprocket.
No, probably in the ~7% range, however, good luck finding a "late model" 27 tooth pulley that has the lip.
So far, the only 27tooth pulleys I've seen are the "early style" non-rubber mount versions with no cast-in lip.

T.
 
  #19  
Old 01-09-2019, 03:41 PM
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Since a smaller (less tooth count) front sprocket may be a challenge,
you might try the #40117-00 70t pulley out back. I don't know if this
would be a "bolt in" type deal or if you'd need a spacer/etc...

good luck,

T.
 
  #20  
Old 01-09-2019, 05:09 PM
handirifle
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Ok studdied the parts finder on my ipad (where I can actually SEE it) and the 883 comes with a 28t front and 29t for the 1200. The 28t is listed as (world). Both use 68t rear. The 883 also uses the 34t primary sprocket, so it is doubly geared lower than the 1200.

There is a listed part number for the 28t belt sprocket at around $65 so it is worth consideration. Going from a 68-70 rear sprocket would have an even less difference, and from a 28-29 on the front.
 

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